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! r`• �� � ��r�, sE x s r L - LC E tm- 759 OAmfuj 4 YA s 4 ��4 I FILECopy TableTable PFS#02 ® STEP 2.REMOVE PROTECTIVE SHIPPING MATERIALS.............. Tableof Contents ������• STEP 3.COMPLETE HINGED ROOF............................................... HUD �� STEP 4.REPAIR OR INSTALL MARRIAGE LINE GASKET........... INTRODUCTION.......................................................................................................3 Ir20116 STEP S.POSITION ADDITIONAL HOME SECTIONS...................... IMPORTANT NOTICES................................._.................................................._...................................3 STEP 6.CONNECT FLOORS........................................................... SAFETY.....................................................................................................................................................3 STEP 7.CONNECT ROOF................................................................ RESOURCES............................................................................................................................................3 STEP 8.CONNECT WALLS............................................................ FEDERAL PREEMPTION..........................................................................................................................4 STEP 9.ATTACH TAG UNITS.......................................................... DEFINITIONS............................................................................................................................................4 STEP 10.REMOVE TEMPORARY ITEMS........................................ ENGINEER'S STAMP...............................................................................»...............................................5 STEP 11.FASTEN HOME TO FOUNDATION................................. SYMBOLS USED IN THE MANUAL....................„...................................................................................6 STEP 12.BACKFILL AND GRADE.................................................. ABBREVIATIONS........................................»_..........................................................................................6 STEP 13.BUILD STAIRS................................................................. ALTERNATIVE FOUNDATION SYSTEMS..........._..................................................................................6 COMPLETE ROOF AND EXTERIOR WALLS................ _ DISPLAY AND STORAGE OF THE HOME..............»..............................................................................6 STEP 1.COMPLETE ROOF.......................:...................................... GETTING STARTED.................................................................................................9 STEP 2.COMPLETE TAG UNIT ROOF............................................ STEP 1.LOCATE THE DATA PLATE.....................................................................................................9 STEP 3.COMPLETE SIDE WALLS.................................................. STEP 2.CONFIRM WIND ZONE..............................................................................................................9 STEP 3.CONFIRM THERMAL ZONE.......................I................................................................ ............10 CONNECT CROSSOVERS............................................. STEP 4.CONFIRM ROOF-LOAD ZONE...........»......................................................................................11 STEP 1.CONNECT DUCTS................................................„............STEP 2.CONNECT ELECTRICAL CROSSOVERS......................... STEP S.CHECK LOCAL CODES AND SECURE PERMITS....................................................................13 STEP 3.INSTALL ELECTRICAL BONDING....„.............................. PREPARE THE SITE................................................................................................14 STEP 4.CONNECT WATER LINES.................................................. STEP 1.PLAN SITE ACCESS..........................................................................................................:.......14 STEP 5.CONNECT DRAIN,WASTE,AND VENT LINES................ STEP 2.DETERMINE HOME LOCATION AND LAYOUT.......................................................................14 STEP 6.CONNECT GAS LINES.............................. STEP 3.CLEAR AND GRADE THE SITE.».......»............................................»......................................15 STEP 7.CONNECT TELEPHONE AND CABLE TV WIRING.......... STEP 4.DETERMINE SOIL CONDITION.................................................................................................15 STEP S.DETERMINE SOIL-BEARING CAPACITY AND FROST LINE...................................................16 COMPLETE THE INTERIOR.......................................... STEP 6.DETERMINE GROUND ANCHOR HOLDING CAPACITY.............................I............................17 STEP 1.ALIGN MARRIAGE WALLS.............................................. STEP 2.FINISH GYPSUM BOARD................................................... INSTALL FOOTINGS..................... .....................................................................19 STEP 3.COMPLETE WALL AND CEILING FINISHES.................... STEP 1.DESIGN POINT LOAD SUPPORTS...........................................................................................19 STEP 2.DESIGN FRAME SUPPORTS(Homes without Perimeter Blocking)......................................21 STEP 4.COMPLETE CARPET........................................................ STEP 3.DESIGN FRAME AND PERIMETER SUPPORTS(Homes with Perimeter Blocking).............23 STEP S.COMPLETE TRIM............................................................... STEP 4.SELECT FOOTING MATERIALS................................................................................................25 STEP 6.INSTALL SHIP LOOSE ITEMS.......................................... STEP S.SIZE FOOTINGS.......................................................................»................................................25 INSTALL STABILIZING SYSTEM.................................. STEP 6.INSTALL FOOTINGS..................................................................................................................29 STEP 1.DETERMINE ANCHOR LOCATIONS................................ CONSTRUCT FOUNDATIONS.................................................................................33 STEP 2.DETERMINE TIE-DOWN CONFIGURATION...................... STEP 1.OBTAIN A FOUNDATION DESIGN_..........................................................................................33 STEP 3.SELECT ANCHORS..................................................... STEP2.EXCAVATE.................................................................................................................................33 STEP 4,INSTALL ANCHORS........................................................... STEP 3.CONSTRUCT THE FOOTING OR SLAB....................................................................................33 STEP 5.INSTALL STRAPS............................................................. STEP 4.CONSTRUCT THE PERIMETER WALL.....................................................................................33 STEP 6.TIGHTEN AND ADJUST STRAPS...................................... STEPS.INSTALL INTERIOR SUPPORTS...............................................................................................34 CONNECT UTILITIES..................................................... STEP S.WATERPROOF FOUNDATION WALL......................._..............................................................34 STEP 1.CONNECT ELECTRICAL SERVICE................................... STEP 7.BACKFILL AND GRADE............................................................................................................34 STEP 2.CONNECT WATER SERVICE............................................ SET THE HOME........................................................................................................35 STEP 3.CONNECT GAS SERVICE.................................................. STEP 1.PREPARE FOR SET»...................»...................................................................................»......35 STEP 4.CONNECT OIL SERVICE.................................................... STEP 2.POSITION HOME SECTION.......................................................................................................35 PREPARE APPLIANCES AND EQUIPMENT................ STEP 3.LIFT HOME.............................................................................................................................-..35 INSTALL AIR CONDR10NER OR HEAT PUMP.............................. STEP4.CONSTRUCT PIERS.................................................................................................................37 PREPARE HEATING SYSTEM...».................................................... COMPLETE MULTI-SECTION SET..........................................................................41 INSTALL REMOTE HEATING AND COOLING EQUIPMENT.......... STEP 1.INSTALL MARRIAGE LINE ANCHORS.....................................................................................41 PREPARE VENTILATION SYSTEM................................................. 1/8/2016 11:39 AM i ii w t� l� Y� • t• i Table . PREPARE FUEL-BURNING APPLIANCES..............................................................................................91 Using the Manua PREPARESMOKE ALARMS..................................................................................................................93 PREPARE FIREPLACES...................................................I.......... "' .. . . ... .............................. ...... . . ........93 This manual Is organized Into a series of steps that will take you through the at required for the speck home being installed.First,review the entire manual,I PREPARE KITCHEN AND BATH APPLIANCES/FIXTURES..............................._................................95 Identify,sections of the manual that you will need;Identify other documents or I INSTALL EXTERIOR LIGHTING............................_.................................................................................96 and materials required for your particular installation;and make sure you have INSTALL CEILING FANS AND LIGHTING....._......................................................_................................96 After reviewing the entire manual,refer to the sequence of installation steps in TEST ELECTRICAL SYSTEM........................................................................................................._........97 installation and follow the arrows downward.Select either Single Section Hor umn corresponding to the home's foundation type,either Pier and Ground Ar COMPLETE EXTERIOR WORK...............................................................................98 Initions,p.4).Then complete the work in each of the sections starting with Gr STEP 1.REPAIR AND SEAL BOTTOM BOARD.....................................................................................98 If using an alternative(proprietary)foundation system,the installation process STEP 2.INSTALL GROUND MOISTURE RETARDER............................................................................98 Consult the system manufacturer directions for instructions.See page 6 for all STEP 3.INSTALL SKIRTING....................................................................................................................99 STEP 4.ASSEMBLE OPTIONAL WIND PROTECTION SHUTTERS......................................................100 SINGLE 8EC-TIOR HOME STEP 5.COMPLETE SITE-BUILT STRUCTURES...................................................................................101 Pier and Ground Anchor j Load-Bearing Perimeter f i Pier and t PREPARE HOME FOR OCCUPANCY.....................................................................102 Wall STEP 1.VERIFY ALTERNATIVE CONSTRUCTION(A/C)INSPECTION................................................102 Getting Started(p.9) Getting Started(p.9) Getting St al STEP 2.COMPLETE INSPECTION CHECKLIST......................._............................................................102 V V T d STEP 3.COMPLETE ENERGY STAR CHECKLIST.................................................................................102 Prepare the Site(p.14) Prepare the Site(p.14) ffff Prepare the STEP 4.CLEAN THE HOME................... 102 Install Footings(p.19) Construct Foundation Install Fcotli COMPLETE INSTALLATION CHECKLIST..............................................................103 ♦ (p.33) ♦ : _1 Set the Home(p.35) ♦ I Set the Hon ♦ Connect Utilities(p.80) IF I Install Stabilizing System IF Complete IV (p.68) Prepare Appliances and Set(p.41) ♦ Equipment(p.89) IF I Connect Utilities(p.80) # ♦ Complete 9 ♦ ;€Complete Under the rior Walls(p Prepare Appllances.and Is_ Home and Site Built` = t 7 Equipment(p.89)° `Structures(p.98)- Connect Co ♦ ♦ (p.69) Complete Under the Prepare Home for - Home and Site Built Occupancy(p.102) Complete Ir Structures(p.98) ` ♦ ♦ 9 ♦ Complete Installation I Install Stabl Prepare Home for Checklist(p.103) + (p,68) Occupancy(p.102) ♦ Connect Utl t Complete Installation ♦ ' Checklist(p,103) Prepare Apj Equipment Complete U Home end l Structures I Prepare Ho { Occupancy) i ♦ j Complete Ir - �I I' Checklist(p P 02 Disclaimer The Manufactured Housing Research Alliance,Its members,consultants,contractors a or guarantee,express or implied,as to the accuracy or appropriateness of any material oarorme to home,nor assume any liability for the use of the Information,methods,or materials car 13UD MFIC63 use. rrzwts Copyright 02008 Manufactured Housing Research Alliance 1/8/2016 11:39 AM pcg::'i�n:cntinnm:y omiun.i 2 a �. Office of Regulatory Affairs and Manufactured Housing US Deartment of ousig and Introduction 451 Seventh Street,SW,Room 91ggn Development This installation manual contains Instructions that must be followed for the proper installation of the home.It complies with Washington, 02 20410423 o P P P Telephone:(202)708.6423 ar(800)927-2891 the HUD Model Manufactured Home Installation Standards.Please read all Instructions and any other documents(includ- FAX:(202)708-4213 Ing addendum pages and supplements)that may apply to the specific home prior to commencing site work or installation. This installation manual covers permits and site work through final inspection of the Installation.It covers both single and State Administrative Agencies multi-section homes installed over pier and anchor,load bearing crawl space walls and basement foundations.It contains A list of SAAs may be found on the web www h„d nnv or by oontactlnc Instructions,Including specifications and procedures,for the set and hookup of manufactured homes to be used as single- lured Housing. family dwellings. The Importance of correct Installation cannot be over-emphasized.Correct Installation Is absolutely essential to home- FEDERAL PREEMPTION owner satisfaction and the structural integrity of the home.All instructions must be followed to provide the customer with a This home was engineered,constructed,and Inspected in conformance wil safe,quality home. tlon and Safety Standards of the US Department of Housing and Urban De fared to as the'HUD Code")in effect on the dale of manufacture.These S No manual can cover all circumstances that may exist for certain home designs or building sites.For questions,further the design and construction of manufactured homes designed to be used a clarification,or if you encounter conditions at the site or in the design of the home or its foundation not covered by this Individual states,counties and cities shall have no authority to establish sta manual,please contact the manufacturer(see Resources,p.3).a registered engineer,or registered architect. a manufactured home.A metal certification label Is affixed to each section Supplemental addendum pages may be included with this manual.Supplements Include requirements not covered in this strutted and Inspected to comply with these Standards.The design plans E manual or that supersede the manual instructions. spected by Independent third party agencies to assure compliance with the Once the home installation is complete,leave this manual with the home. The Installation of the home and any alterations made to the home shall co Manufactured Home Construction and Safety Standards and the HUD Moo IMPORTANT NOTICES These installation instructions are minimum requirements.Applicable local • The home manufacturer is not responsible for installation or for the materials supplied by the set-up crew at the tlon requirements than outlined in this manual and must be followed:Const time of Installation.The installer may be responsible for any deviations from the Installation instructions of this (LAHJ)for regulations that may require licenses and/or permits or which m: manual. DEFINITIONS • To keep the home In compliance with Its warranty,the home Installation must follow the procedures described In ANCHOR ASSEMBLY.Any device or other means designed to transfer la this manual or other procedures approved by the manufacturer.Deviation from the instructions In this manual may void the home's warranty,Any alterations or changes to the home shall be approved by a registered engi- ANCHORING EQUIPMENT.Ties,straps,cables,turnbuckles,chains,and neer or registered architect and may still be subject to warranty violations. Ing devices that are used to secure a manufactured home to anchor err • When an Installer does not provide support and anchorage in accordance with the approved.manufacturer's in- ANCHORING SYSTEM.A combination of anchoring equipment and anchc staliation Instructions,or encounters site conditions(such as areas that are subject to flood damage or high and Installed,resist the uplift,overturning,and lateral forces on the me seismic risk)or other conditions that prevent the use of the instructions provided in this manual,the Installer must obtain special site-specific Instructions from the manufacturer or use a design approved by a registered BASEMENT.A load-bearing perimeter wall foundation that Includes habits engineer or registered architect. unheated)partly or completely below grade. • The Installer must possess a valid installation license as a manufactured home Installer. CRAWLSPACE.The space underneath the home's floor system,enclosso • If the installer Identifies failures of the home to comply with the Federal Manufactured Home Construction and walls.The ground may be covered with a concrete slab or by a plastic Safety Standards(the HUD Code),the Installer must notify the manufacturer and.retaller. ad. CROSSOVERS.Utility Interconnections between sections of multi-section I SAFETY electrical circuits,and water pipes,drain plumbing,and gas lines. There are potential hazards associated with the Installation of a manufactured home.Home installers are licensed,and as DATA PLATE.An Information sheet located at the main electrical panel.In experienced professionals,should recognize these hazards,be qualified to work with them,and be capable of providing cabinet in the kitchen,It contains a unique identification number and le safe work practices and equipment that minimize the risks of injury. matic zone for which the home was constructed. Only qualified persons should install a manufactured home.As qualified professionals In the field of manufactured home DIAGONAL TIE.A tie Intended to resist horizontal or shear fames,but whi Installation,Installers are the experts and must be aware of the hazards and conditions faced.Warnings are published forces. throughout this manual as reminders.These reminders may not cover all hazards,all potential hazards,or all possible consequences of improper or unsafe Installation practices. FOOTING.That portion of the support system that transmits loads directly Construction crews should be trained in the skills required and be supervised by experienced personnel.Installers should m GROUND ANCHOR.A specific anchoring assembly device designed to tre regularly Inspect work performed by crews and subcontractors. 4 D H-BEAM.Steel H-beams are often used to support a home over a baseme Obey OSHA regulations,particularly those related to home construction,such as Title 29 Code of Regulations Part 1926. r dation from sidewall to sidewall,typically with an Intermediate support For copies of OSHA regulations,call(202)512.1800 or visit www-asha.rav on the web. D suiting in a line of piers under the centerline of a double section home) 1 O INFORMATION PACKET.A set of Important documents provided with the RESOURCES Z wind coverage,and other features of the specific home. Manufacturer contact Information: z INSTALLATION LICENSE.The proof that an Installer meets the requiremc See contact information Inside front cover a the HUDadministered installation program. D r 1/8/2016 11:39 AM 3 4 LABELED.Equipment or materials to which has been attached a label,symbol,or other identifying mark of a certified SYMBOLS USED IN THE MANUAL testing laboratory,inspection agency,or other an organization concerned with product evaluation.The label indicates compliance with nationally recognized standards or tests to determine suitable usage In a specified manner. V; �Vf f� This icon indicates an Important warning. LISTED OR CERTIFIED.Included In a list published by a nationally recognized testing laboratory,Inspection agency,or A other organization concerned with product evaluation that maintains periodic inspection of production of listed equip- ment or materials,and whose listing states either that the equipment or material meets nationally recognized stand- This icon indicates a recommended best ards or has been tested and found suitable for use in a specified manner. \('�j�� practices will result in a superior Installati LOAD-BEARING PERIMETER WALL FOUNDATION.A support system for the home whereby the home Is mechanically bifity related complaints might arise. fastened to a structural wall(s)that transfers gravity,lateral,and uplift loads to the ground. LOCAL AUTHORITY HAVING JURISDICTION(LAHJ).The state,city,county,municipality,utility,or organization that ABBREVIATIONS has local responsibilities that must be complied with during the installation of a manufactured home. ABS Acrylonithle Butedlene Styrene max. MUST.Indicates a mandatory requirement. NIA Indicates not applicable. ANSI American National Standards Institute MHCSS PIER.That portion of the support system between the footing and the manufactured home,exclusive of shims.Types of APA American Plywood Association min. piers Include,but are not limited to:(1)manufactured steel stands;(2)pressure-treated wood;(3)manufactured con- American Society for Testing and Ma- crete stands;(4)concrete blocks;and(5)portions of foundation walls. ASTM terials mph PIER AND GROUND ANCHOR FOUNDATION.A support system for the home that employs piers under the chassis and American Wood Preservers Associa- other locations to support gravity loads and employs ground anchors and tie downs(the stabilizing system)to resist AWPA Von NEC lateral and uplift loads. PERIMETER BLOCKING.Regularly spaced piers supporting the sidewalis and marriage line of the home.Some homes CFM Cubic feet per minute NFIP require perimeter blocking In addition to supports under the home's frame. CFR Code of Federal Regulations NFPA QUALIFIED.Has the necessary knowledge and skills gained from experience and training that will allow performance of DWV Drain,Waste,Vent O.C. the Job safely,competently,and In accordance with all applicable codes,standards,rules,and regulations.Meets all necessary qualification tests including arty license and certificallon requirements that may be In effect In the area EMT Electrical metallic tubing OSHA where the home will be Installed. RAMADA.Any freestanding roof or shade structure,Installed or erected over a manufactured home or any portion there- FEMA Federal Emergency Management oz of. - Agency _ SHOULD.Indicates a recommendation that Is strongly advised but not mandatory. ff Foottleet P. SHALL Indicates a mandatory requirement. ga Gauge Psf SITE FOR A MANUFACTURED HOME.A designated parcel of land designed for the accommodation of one manufac- HUD US Department of Housing and Ur- Psi tured home,its accessory buildings or structures,and accessory equipment,for the exclusive use of the occupants of ban Development the home. In Inch(es) SAA SKIRTING.A weather-resistant material used to enclose the perimeter,under the living area of the home,from the bottom LAHJ Loral Authority Having Jurisdiction sq it of the manufactured home to grade. lb(s) Pound(s) STABILIZING SYSTEM.All components of the anchoring and support systems,such as piers,footings,ties,anchoring equipment,anchoring assemblies,or any other equipment,materials and methods of construction,that support and secure the manufactured home to the ground. ALTERNATIVE FOUNDATION SYSTEMS SUPPORT SYSTEM.Pilings,columns,a combination of footings,piers,foundation walls,raps,and shims end any com- AllemaUve foundation systems or designs are permitted if they are approve bination thereof that will,when properly installed,support and secure the manufactured home to the ground. turer's DAPIA,and are In accordance with either of the following: TIE.Straps,cable,or securing devices used to connect the manufactured home to anchoring assemblies. • Systems a designs are manufactured and Installed to accordant testing agency based on a nationally recognized testing protocol; UTILITY CONNECTION.The connection of the manufactured home to utilities that Include,but are not limited to,electrid- . System designs are prepared by a registered engineer or a regist ty,water,sewer,gas,or fuel oil. z tered engineer or registered architect in accordance with acceptal VERTICAL TIE.A tie Intended to resist uplifting and overturning forces. (n and installed so as not to take the home out of compliance with th Standards. WIND ZONE.The areas designated on the Basic Wind Zone Map,as further defined by the Manufactured Home Con- rD— struction and Safety Standards. DISPLAY AND STORAGE OF THE HOME O WEATHER PROTECTION ENGINEER'S STAMP Z If the installation Is not started Immediately upon delivery of the home,that Certain pages of this manual display the seal of a registered engineer.Federal guidelines only require the seal from one 3 ensure the exterior weather protection covering of marriage walls and the r state to be displayed,but the details herein apply to all states. Z damaged during shipment.Inspect the home immediately upon the deliver) c tears in the home closure materials to prevent damage from the elements. needed. 118/2016 11:39 AM 5 6 � n a u J SUPPORTING A HOME FOR DISPLAY When a new or used manufactured home is to be displayed at a retail location,temporarily block and support the home. Complete Mill- Increased lag bolt size an( Set up single-section homes with single block piers spaced no further apart than 12 feet o.c.beneath each I-beam.The Seaton Set 7-Connect Roof nectlon tire and axle system may be used as one of these required supports,and the hitch jack may be used as another.Locate - Complete the first first pier no further than two feet from the rear end of the home(Figure 1).Place additional piers along the perimeter Section Set 7-Connect Roof Added roof cap fastening 1 on either side of openings greater than four feet(i.e.sliding glass doors,bay windows,etc.). Complete Multi Section Set 7-Connect Roof Deleted roof straps and is For multi-section homes,locate additional piers along the marriage line under support columns.These locations will be Complete-th- marked by the manufacturer. Section Set - 7-Connect Roof- Added roof strap over she Figure 1.Supporting Complete Multi- Simllar charges for triple-i 9 pP 9 a Section Set 7-Connect Roof bolts Increased and roof sl home for display Complete Multi- Section Sol 6-Connect Walls Deleted fasteNng!rough Complete Multi- Revised level tolerance;ai ® Section Set 9-Attach Tog Units offset conditions;added fit Complete Roof m tza n-m +z-0' ua +zo• Fat.Wails 1-Complete the Roof Added gap filling method f Complete Roof& For all homes,place footings below each pier.Footings may be placed directly on the surface grade without excavation Ext.Wells 2-complete Tag Unit Roof Deleted text&figure for ta and may be ASS pads,2 x 10 by 16 Inch long pressure treated lumber or 16"x 16"by 4 inch thick concrete pads. Connect Grosso- Vera 1-Connect the Ducts Deleted text&figures for r SUPPORTING A HOME FOR STORAGE Connect Crosso- 2-Connect Electrical Cross- To prevent damage to homes being stored but not on display p.e.people shall not be permitted inside the home)for a pe- vers oven Deleted text&figure for m clod exceeding 30 days,locate piers below each I-beam no further than two feet from each end of the home and at the Connect Grosso 2-Connect Electrical Croas- approximate center of the home length. vers avers Deleted text 8 figure forty. Connect Crosso- vers 3-Install Electrical Bonding Deleted text for strap matt CUSTOMIZATION OF THE MODEL MANUAL ConngRdmsso- This manual Is based on a model manufacturers Installation manual used by many different companies.It may have been Vera 4-Connect Water Linea Deleted text&,figure forty, customized from the model by the manufacturer.The table below lists the locations where this manual differs from the Installing Ss—Ib IIz• 1-Determine Anchor Loos- model manual. In Sys. bons Added warning about undi Installing Stabiliz 1-Determine Anchor Loca- Section stop Summary ofthe change in S . tiona Eliminated WZt tram table Getting Started 2-Confirm Wind Zone Added Information for a WZII or III home.in WZI area Installing Stabillz• 1-Determine Anchor Loce- Added aarifloadon!at homes not be designated for the Humid&Fringe zone _In' Sys_ _ tons Deleted endwall frame an( Getting Started 3_Confirm Thermal Zones may still be totaled In that zone. Installing Stablliz- 1-Detertnlne Anchor Loca- Removed WZ2 8 3 fimits< 4-Confirm the Roof Load Addax rate that 3b psf or hill er-fi maf load home ii 20 psf zone may omit pe- In g Sys. - �.bons chess Getting Started i Zone greater piedng exce t at doors). Installing Stablllz- 1-Determine Anchor Loca- Prepare the Sift 3-Clear&Grade the Site Added clarification that home is suitable for gutters._ In Sys. bons Added figure for G-straps- 1-Design Point Loads Sup• Deleted waiving for 40'psf and higher roof loads.(Plans for home will Include nstalling Stablliz- Install Footings Pons the loads for such Installations) Ing Sys_ 5-Install Straps Added figure for attaching Deleted Table for Point-Load Footings;Deleted Figure for Typical Pont Load Installing Stablliz- 1.Design Point Loads Sup- Supports;Revised Calculate Loads section.(Reason-Mating line loads are Ing Sys. 5-Install Straps Deleted Vertical Anchors t Install Footings ports Indicated on floor plans) Installing Stahila- Added Figure for Gstrap rr �- Added exce tion to!e warn n concerning having a e in S 5-Install Straps In Llne Tle-0own Bracket p g g g support no more than 2' g—ys• g Install Footings !2.Design Frame Supports from end of beam for 10&12 wides. Revised table for Electrica 3-Deslgn Frame&Perim. Added exception to the warning concerning having a support no more than 12' Connect Utilities 1-Connect Electrical Service Bare Ground Install Footings Supp. from end of beam for 10&12 wides. Connect llvlities 2-Connect Water Se ce Deleted fig water heater at Deleted Figure for Typidel MaMage Line Support Locations;deleted text for Revised orifice warning fit i 3-Design Frame&Perim, mating line bearing walls.(Reason-Mating line loads are Indicated on floor Connect Willies 3-Connect Gas Service fuels Install Footings Supp. I plans) Prepare Appliances Inssll Air Oondltioner or Heat Install Footings 4--Select Footing Material Added wood fooling material m Table for Fooling Materials. &Equlpv Pump Deleted text&figure for w Install Falternatengs 5-Size Footings Added note concerning cone.runners as elteate to footings ngs }►` P Appliances Added Table for Footing Equivalents added showing equivalents for precast Jjp &EquiP, Prepare Smoke Awns Revised test method for at Install Footings 5-Size Footings concrete,round concrete,and lumber. fff/// Prepare Appliances Install Footings 6-InstaV Faotings - Added.Figures for MuMipla Piers at�port Post;wi!or without, straps. &Equip. _ Install Ceiling FanslLighs Revised distance to amokk Construct Founda- Added warning about foundation dimensions when 2x6 exterior wall option Is Z Prepare Appliances tion 4-Construct Perim.Wall ordered.Also clarified when special foundation Mare required. y &Equip_ Install Ceiling Fans/Lights Deleted text&figure for m Setthe Home 1-prepare for Set Revised level tolerance;eliminated 1 4'overall tolerance. D Prepare Appliances I d exception forplplash Sell Home 4-ConaWa lh Plam Deleted pressure treated wood from Table for Pler Mstedals r 8 Equips Teat Electrical System Installation to operational t Complete mum- Replaced all hinged truss details with new ones,induding ddetegs for tldge filler r Complete Exterlor Section Set 3-Complete Hinged Roofaption -D{ Work 3.Install Skirting Prohibited the use of open Complete Multi- Deleted figure for in-floor crossover duct;added figure for mating line gasket O Complete Exterior 4.Opt Wind Protections ut- Complete rewrite of the sF Section Set 4.Mating Line Gasket Installation Z Work ters use of shutters Complete Mull. I g Complete Exterior Clarified connections to th Section Set i 4-Mating Line Gasket Added warning about mating line gasket D Work 5-Site-Built Structures egress for site-built strum Complete Mott- 5-Position Additional Home Z C Seaton Set Sections Added tolerance of 1-I/2'at roof peak and added plywood as shim materials D Complete Multi- Increased lag brit size and eliminated wood screws from Ta6laior Floor Con- r section Set 6-Connect Floors nekton. 1/8/2016 11:39 AM 7 8 w k• r r r• � v GettinsStarted Getting Startled Getting Started o Vertical anchoring maybe Ignored,however the brackel sidewall should remain in place. This chapter covers a few steps that,taken now,will avoid problems later in the installation process. o Floor and roof connections may be per Wind Zone I • When a Wind Zone III home is placed in Wind Zone 11,all require 'Follow the Steps below: Wind Zone 111 should be followed. STEP 1.LOCATE THE DATA PLATE(p.9) • Homes located within 1,500 feet of the coastline in Wind Zones I be designed to withstand exposure'0 conditions.This will be Inc 0 STEP 2.CONFIRM WIND ZONE(p.9) the data plate. If the home does not conform to these rules,contact the manufacturer Imn ( -0 STEP 3.CONFIRM THERMAL ZONE(p.10) ! TABLE t.WIND ZONE BY LOCALITY iV STEP 4.CONFIRM ROOF-LOAD ZONE(p.11) j STEP 5.CHECK LOCAL CODES AND SECURE PERMITS(p.13) i All areas except those areas fisted below as being within Wind Zorie II or lit Counties of Baldwin and Mobile STEP 1.LOCATE THE DATA PLATE i-counliesexce-pt thoselisted below as within Wind Zone 111 Locate the data plate inside the home(Figure 2),typically Inside a kitchen cabinet door Counties ofBryan,Camden,Chatham,G ynn,Uberty,Mclnto or on a wall panel or door face near the electrical panel,utility room,or bedroom closet. ```—'__! a `-'`—"' to Parishes of Acadia,Allen,Ascension,Assumption,Calcasieu, Evangeline,Iberia,Iberville,Jefferson Davis,Lafayette,Living -- -- Figure 2.Sample data plate the Baptist St.Landry,St Martin,SL Tammany,Tangipahoa, I West Feliciano —r_ --- — - Counges of Hancock and Washington Counties of Barnstable,Bristol Dukes,Nantucket and Plymc Counges of George,_Hancock,Harrison,Jackson,Pearl River Counties of Beautort,Brunswick,Camden,Chowen,Columbk. -' -- — --'"'—'-- Pamlico,Pasquotank,Pander,Parquimans,Tyrrell,and West C -.� __ _..v-. _ - - - ounties of Beaufort,,Berkeley,Charleston Colleton Dordhet Counties of Aransas,Brazoda,Calhoun,Cameron,Chamberr de,Nueces,Orange,Refuglo,San Patricio,and Wlllacy Chios of Chesapeake,Norfolk,Portsmouth,Princess Mne,ei .:... Entire state -e < Coastal regions(es deter mined by the 90.mph isotach on the, The Information on the date plate will be used to verify that the home was designed for iDFAZ Counties of Broward,Charlotte Collier Dade Franklin Gulf,I the proper loceticn. / Pinellas,and Sarasota/ Perishes of JeHerson_La Fourche,Odeane Plaque mines_Sli STEP 2.CONFIRM WIND ZONE Site appropriateness.if the Counties or Carteret,Dare,and Hyde From Table 1,Identify the wind zone for the home.Verify that the home conforms to site Is not accessible,not _j . NI regions or the U.S.Torrilodes of American Samoa,Guam, the following rules and any special requirements determined by the LAHJ, appropriate for the planned ry of the Pacific Islands,and the United States Virgin Islands: • No home may be located In a higher wind zone than that indicated on the da- support system or cannot !/11 Z to plate.(Example:a home designed for Wind Zone II cannot be placed in be properly graded,notify ¢ Wind Zone 111.) the purchaser,the retailer 2 STEP 3.CONFIRM THERMAL ZONE • and HUD,with the reasons Z Z From Figure 3,Identify the thermal(UO)zone for the home.Verify that thr A home may be located in a lower wind zone then that indicated on the data why the site Is unsuitable. 0 forms to the following rules. plate.(Example:a home designed for Wind Zone 11 can be placed In either D Do not Install the home until r g No home may be located In an area with a higher thermal zone n Wind Zone II or I.)When a Wind Zone It or 111 home Is placed In Wind Zone I, r y 9 all Issues are remedied. D J that indicated on the data plate, Example:a home designed for' the home may be installed either per the requirements of the higher wind � ¢ l zone for which the home was manufactured,or it may be Installed per the re- O Zone 2 cannot be placed in Thermal Zone 3.) qulrements of Wind Zone 1,with the following additional Instructions: Z Z • A home may be located In a lower thermal zone then that Indlcatk o Mating line G-straps must be Installed per the higher wind zone. D to plate.(Example:a home designed for Thermal Zone 2 may be o Shearwall G-straps must be installed per the higher wind zone. c that Thermal Zone 2 or 1.). o Longitudinal tie-downs strapping may be per Wind Zone I, D • In no case may a home designated for installation In the"Humid r Climate,"as Identified on the data plate,be located outside of thl: (Table 2).A horse that Is not specifically designated for Installati 1/8/2016 11:39 AM 9 10 i GettingStarted GetfingStarted 'Humid and Fringe Climate'(that Is,has no such designation at all on the da- • There are special high roof load areas(primarily in mountains)nc to plate)may still be located In this region(Table 2). the map.Contact the LAHJ or SAA for Information about these at If the home does not conform to these rules,contact the manufacturer Immediately. home's data plate will Indicate if the.home has been designed for high roof load areas. r'� Figure 3.Thermal(UO)zone • Ramadas may be used in areas with roof live loads greater than map Ramadas are to be self-supporting,except that any connection tc fSrr�j C T �---1 1 ^�k; _l�r�r� _ must be for weatherproofing only. TABLE 3.ROOF LOADS BY LOCALITY � � ur a L. •I I er All counties Counties of Aroostook,Pisrataquis,Somerset,Penobscot,Ws ,r r All counties �./�`� '�.•° k t f All counties . ^.m«•uu •xa azx Counties of:Buena Vista,Butler,Calhoun,Cerro Gorda,Cher Franklin,Hamilton,Hancock,Hardin,Howard,Humboldt,Ida,I TABLE 2.HUMID AND FRINGE CLIMATE ZONES Plymouth.Pocahontas,Sac,Sioux,Webster,Wmnebago,Wor Counties of Androscoggin,Cumberland,Franklin,Kanabec,Ui Counties of Baldwin,Barbour,Bullock,Butler;Choctaw,Clarke,Coffee.Concur,Covington,Crenshaw,Dale, - _County,of Fssex Escambia,Geneva,Henry,Houston,Lowndes,Marengo.Mobile,Monroe,Montgomery,Pike,Washington,and Counties of Alger,Alcone,Alpena,Antrim,Baraga,Benzie,Ch Wilcox _:- -. __ Dickson,Emmet,Gogebic,Grand Traverse,Houghton,Iron,K All countles"and locations Marquette,Menominee,Missaukee,Montmorency,Ogemaw,k Counties of Appling,Atkinson,Bacon,Baker,Ben Hill,Borten,Brantley,Brooks,Bryan,Calhoun,Camden,Char- common,Sehoolcreft,Wexford leton,Chatham,Clay,Clinch,Coffee,Colquitt,Cook,Cdsp,Oecatur,Dougherty,Early,Echols,Effingham,Evans, Counties of ARkln,Anoka,Benton,Blue Earth,Brown,Cass,C Glynn,Grady,Irwin,Jeff Davis;Lanier,Lee,Liberty,Long,Lowndes,McIntosh,Miller,Mitchell,Pierce,Quitman, wood,Crow Wing,Dakota,Dodge,Douglas,Farlbault,Filimori Randolph,Seminole,Tattnall,Terrell,Thomas,TM,Tumor,Were,Wayne,and Worth - Itasca,Isamu,Jackson,Kandiyohi,Kanabec,Koochkhing,Lac _.. . _._.. ..__ _. _. .....__...__. _ .. Meeker,Mordson,Millie Lacs,Mower,Martin,Murray,Nlcollet. All counties and locations Redwood,Renville,Rka,Rock,St Louis,Sibley,Scott,Steele All counties and locations - - - - ,Wright,Washington,Wabasha,Wmona_Waseca Watonwl -. _ na _.,. _._. Counties of Adams,Amite,Claiborne,Clarke,Copiah,Covington,Forrest,Franklin,George,Greene,Hancock, All Counties Harrison,Hinds,Issaquena,Jackson,Jasper,Jefferson,Jefferson Davis,Jones,Lamar,Lawrence,Lincoln,Marl- All Counties - on,Pearl River,Perry Pike,Rankin,Simpson,Smith,Stone,Walthell,Warren,Wayne,and Wilkinson — ------- - -- - - -y— -- -; Counties of Brunswick,Carteret,Columbus,New Hanover,Ortslow,and Pander - Counties of Cayuga,Clinton,Essex,Ede,Franklin,Fulton,Gei ston,Madison,Monroe,Montgomery,Niagara,Oneida,Onond Counties of Beaufort,Berkeley,Chadeston,Collator,Dorchester,Georgetown,Harry and Jasper toga,Schenectady,Seneca,Warren,Washington,Wayne,Wy Counties of Anderson,Angelina,Aransas,Atascosa,Austin,Bastrop,Bee,Boxer,Brazorla,Brazos,Brooks,Bur- • Counties of Brookings,Clay,Codington,Deuel,Grano Hamlin; leson,Caldwell,Calhoun,Cameron,Camp,Cass,Chambers,Cherokee,Colorado,Comal,De Witt,Dimmit,Duval, McCook,Miner,Minnehaha,Moody,Tumor,Union,Yankee ; -Falls,Fayette,Fort Bend,Franklin,Freestone:Frio,Galveston,Gollad,Gonzales, _- ..._.n_ .- ..,. ,...._._ .. ._,.._ Gregg,Grimes;Guadalupe, Al Counties Hardin,Harris,Harrison,Hays,Henderson,Hidalgo,Hopkins,Houston,Jackson,Jasper,Jefferson,Jim Hogg,Jim -- - - - -- -- .Wells,Kames,Kaufman,Kennedy,Kinney,Moberg,La Salle,Lavaca,Lee,Leon,Liberty,Limestone,Live Oak, Counties of Addison,Celatlonia,Chlttenden,Essex,Franklin,i Madison,Marian,Matagorda,Maverick,McMullen,Medina,Mllam,Montgomery,Morris,Nacogdoches,Navarro, Washington,Windsor _ Newton,Nueces,Orange,Parole,Polk,Rains,Refugio,Robertson,Rusk,Sabine,San Augustine,San Jacinto, Counties of Ashland,Bayueld,Barron,Buffalo,Burnett,Clark, San Pa dclo,Shelby,Smith,Star,Titus,Travis,Trinity,Tyler,Upshur,Uvalde,Val Verde,Van Zandt,Victoria, once,Forest,iron,Jackson,Langlade,Uncoln,Marathon,Mar Walker,Walter,Washington,Webb,Wharton,Willacy,Williamson,Wilson,Wood,Zapata,and Zavala Q Polk,Prim,Rusk,St Croix,Sawyer,Taylor,Trempealeau,Vilr 0 All Courrtles STEP 4.CONFIRM ROOF LOAD ZONE South r psf roof load) From Table 3,Identify the Roof Load Zone for the home.Verify that the home con- z z • The states and counties not listed for the Middle or North root forms to the following rules. w O roof load zone., • No home may be placed In an area with a higher roof load than that Indicated D on the data plate.(Example:a home designed for the South(20 psf)Roof r Load Zone cannot be placed In the Middle(30 psf)Roof Load Zone). 5is th e,data plate,present • • _ placed, • A home may be located In an area with a lower roof load than that Indicated O rn priate Wind,thermal,and,roof •. on the data plate.(Example:a home designed for the Middle(30 pall)Roof Z ? Load Zone may be placed In the South(20 psi)Roof Load Zone). •• •-STEP 5;CH ECK LOCAL CODES • Note—When a home designed for a higher roof load zone is placed in the 20 z psi Roof Load Zone,the perimeter catering may be omitted with the exception D 6 • of the point-load support locations(doors,openings 4 feet or greater in width, r Stop • etc.)which are still required. 1/8/2016 11:39 AM 11 12 GettingStarted Prepare the Site STEP 5.CHECK LOCAL CODES AND SECURE PERMITS A properly prepared site is critical to a good quality installation and the for Local regulations may set conditions for the setting and installation of a manufactured home.Consult the LAHJ,state manufactured housing association,and the state SAA This chapter explains the process of planning the site,evaluating the soil, (See Resources,p.3)for the specific local requirements,including: Areas subject to flooding. home's support system. • Building codes that may affect the construction of site built structures and in- The foundation specifica- frastructure. tions contained in this F(Mow the St6ps below • Local requirements regulating the Installation of manufactured homes. manual are NOT intended to address flood loads.If V STEP 1.PLAN SITE ACCESS(p.14) • Setback requirements for property lines,streets,yards,and courts. the home is In the Flood • Fire separation distances. plain,consult a registered ' ® STEP 2.DETERMINE HOME LOCATION AND LAYOUT(p.14: • Development covenants for the specific property. engineer. I • The locations of flood hazard areas and any special foundation requirements A STEP 3.CLEAR AND GRADE THE SITE(p.15) for homes installed in those areas. • in some areas,building permits are required to install manufactured homes. ® STEP 4.DETERMINE SOIL CONDITIONS(p.15) q Prior to making any alteration to the site and the home,contact the LAHJ to determine if plan approval and permits are required. V STEP 5.DETERMINE SOIL BEARING CAPACITY AND FROS i Ii-i go to Prepare the Site(p,14) V STEP 6.DETERMINE GROUND ANCHOR HOLDING CAPACI( STEP 1.PLAN SITE ACCESS Planning the route to the site Is typically the responsibility of the retailer or tion company.Whoever Is responsible must secure state permits from the through which the home will pass. In planning the route,avoid obstructions that might interfere with the pass home,such as low hanging wires and trees,low overpasses,and bridges for the load.Contact the utility company If wires need to be moved.Do no branches,bushes,or other foliage to scrape against the home as the hor the site.Avoid ditches,berms,steep slopes,and soft ground.Identify and and soft spots Into which the transporter's wheels may sink.Avoid moving changes In grade(20 degrees or more). If required,provide for home storage and staging areas on the site.Plan t and staging of home sections and materials so that after all deliveries are home sections and materials can be accessed for use and installed In the sequence.Orient home sections so they do not have to be rotated or exci neuvered during the Installation process.Plan for temporary needs,such stars,portable toilets,crew parking,delivery vehicle drop-offs and concrel liveries. Before moving the manufactured home to the site,Inform the LAHJ and r site is prepared and utilities are available. ISTEP 2.DETERMINE HOME LOCATION AND LAYOI i@ The home location may have already been determined by others.If not,p location and layout In compliance with the regulations researched In Gott] STEP S.CHECK LOCAL CODES AND SECURE PERMITS(p.13).Conl cn for locations of existing infrastructure,such as underground cables,pipes D cal lines. DWhen planning the site Improvements,consider the following: i • The home location should be level. Z Z • Avoid contact with large trees,steep slopes,poorly drained area E tial flood zones. D d(( • Preserve trees and shrubs for shade,visual screens,and wlndbi z '1l Plan the driveway,parking areas,septic,well,other structures,i r- lines. 1/8/2016 11:39 AM 13 14 ,f it Preparee • Consider future additions,such as screen rooms,porches,and awnings. The water table must be below the lowest level of the planned s • Site the home away from natural water paths. tern/foundation.A soil's bearing capacity can be greatly reducec saturated with water.Note that water tables may vary with seas( mactic conditions.Consult a geologist or the LAHJ if you are un: STEP 3.CLEAR AND GRADE THE SITE water table level. Trim overhanging foliage considering future growth,potential storms,swaying in wind f • The soil must not be a highly expansive type.Expansive soils cs and snowrice-weighted branches.Remove organic material such as vegetation,wood, when they became saturated with water,causing the home to sl roots,twigs,dead branches,grass,and brush from directly under the home.Remove come unlevel.If soils are expansive,contact a registered engine any debris that could become termke Infested from the site and surrounding area.Re- Site drainage.Moisture un- tered architect to assist with the design of the foundation systerr move all other debris from the home location,including roots from beneath footing loca- der the home can result in dons.Properly dispose of all Items. structural damage to the Does the soil meet these criteria? floor system and other Crown the site(Figure 4)away from the foundation for the first ten feet with a minimum parts of the home.Failure YES,••to STEP 5,DETERMINE SOIL slope of 1/2 inch per foot.Where property lines,walls,slopes,or other physical condi- to provide adequate FR08T tions prohibit this slope,provide the site with drains,swales,or grading to drain water slope/drainage can result in away from the structure.Any fill required to grade the site should be inorganic"con- moisture-related problems Do. No, trolled fill'applied in a maximum of four inch layers,compacted between each layer to such as mold,mildew,and determine a suitable soil bearing capacity. at least 90%of its maximum relative density.Direct runoff away from the site using erosion. ditches and berms(Figure 5).If the home will have skirting,start grading from two feel In from the edge of the home. STEP 5.DETERMINE SOIL-BEARING CAPACITY AI` FROST LINE Figure 4.Crown the so#un- The soil under a home must be capable of withstanding the loads Impose der the home to prevent wa- weight of the home,Its support system and furnishings,as well as any lot ter ponding by wind,snow,or other climactic conditions. Figure S.Direct runoff away from the home SOIL-BEARING CAPACITY \, Determine the soil-bearing capacity In pounds per square foot(psf)befon support system.The higher the capacity(psf),the more weight the soil ca rt so y unduly compressing.As the soil-bearing capacity Increases,footings can O�F \ size or spaced farther apart r y Use one or more of the following methods to determine the site's soil bee Test the soil.Hire a registered geologist,registered engineer,c architect to determine the soil classification and maximum allow. y \ Ing capacity by testing the soil In accordance with generally ace nearing practice. A--In bm. deamon d-W • Obtain soil records.The local office of the U.S.Department of W. Natural Resources Conservation Service(wxN✓sous usAa nov L.AHJ may have test results and/or soil analyses on file for the a Grade the ground so that water under porches,decks,and recessed entries flows • Conduct a pocket penetrometer test.Use a pocket penetrom( away from the home.If proper grading Is not possible,use other methods such as a mate allowable soil-bearing capacity as follows: drain file and automatic sump pump system to remove any water that may collect un- 1. Select a location that will be under a footing. der the home. 2. Clear an area of a minimum of one square foot at least four The home is suitable for the Installation of gutters and downspouts.When gutters and or to the depth of the bottom of the planned footing. downspouts are Installed,direct runoff away from the home. 3. Using the Instructions provided with the pocket penetromete least flue readings. STEP 4.DETERMINE SOIL CONDITIONS 4. Discard the high and low readings and average the remalnli Examine the soil type under the proposed home location to make sure it is suitable for &*#A, // Round this result down to the nearest soli-bearing value she placement of a home.The design of the home's support system,Including footing/pler /J dgM column of Table 4. spacing and size,will In part be determined by the bearing capacity of the soil,and if z 5. Confirm that the rounded result matches the soil description ground anchors are used,by the soil's withdrawal strength. Sail.Inadequate soil bearing mcapacity or asupport sys- D • Determine soil4waring value by visual examination.If one a The soil under every portion of the support system must meet the following criteria: tem mismatched to the soil above Is not available,the values on Table 4 can be used to esl characteristics can result In D bearing capacity by visual examination.This method provides to • The soli must be firm and undisturbed(not ive densiy excavated)or fill com- values than the options above.Accurate soil Identification typica acted to at least 90%of its maximum relative become Uncom acted fill will excessive or differential P Y• P o special training or expertise.An engineer or building code offlcla settle over time,cousin the home to shift and become unievei. settlement of the home, z 9 to assist In classifying the soil found on the site. which can cause the home • Fill must not contain large debris.This too will settle over time. to go out of level,resulting D • The soil must not be comprised of organic clays or peat.Organic material can In Jammed doors and win. Z 1l decay,causing settlement,and also may harbor pests that can Infest the doves,cracks in finishes D home. and ruptured plumbing r connections. 1 812016 11:39 AM 15 16 • f• PreparePrepare TABLE 4.SOIL-BEARING CAPACITY BY SOIL TYPE Soil Type(and classification) Allowable Pressure(psf) Use a torque probe with a shaft of sufficient length to test the soil at the d Rock or hard pan(class 1) 4,000 anchor helical plate.Augur the probe Into the ground,and following the pi .- _._. Sandy -and end gravel-;very dense and/or cemented sands; turer's instructions,take the torque wrench reading in the area where the course graveycobbles;preloaded sots,days and coral(class 2) 2,000 be installed and at the depth of the anchor helot.If the soil varies In consb — -- -- --- - the site,then use the lowest reading.Based on this reading,consult the a Sand;silty sand;clayey-sand;-si—lty gravel;medium dense course 1,500 fadurer's charts to select the anchor type(s). sands;sandy gravel;very stiff set,sand days Ideas 3) __ Clay,sandy day,silty,clay,clayey silt(classes 4A and 49) 1,000 Uneompactetl fill,peat,organic Gays(class 5) What type of support systern will this installation usJ Professional testing required Note to table:No allowances made for overburden pressure,embedment depth,water table go to Install Footirl height,or settlement problems. 10- For load-bearing perimeter wall,go to Construct Fot • Use default capacity.Use an allowable pressure of 1,500 psf,unless site- specific Information requires the use of lower values based on soil classifica- tion and type according to Table 4. Note that soil types may vary across a home site.In this case,the soil with the lowest bearing capacity should be assumed when designing the support system.Keep a rec- ord of the sail-bearing capacity value;It will be used later to design the home's support system. FROST LINE In climates subject to ground freezing,consult the LAHJ,a registered engineer,or reg- Istered architect to determine the depth of the frost line.Figure 6 may be used as a guideline when there Is no specific local determination.Keep a record of the frost depth;it will be used later to design the home's support system. ) 2' Figure 6.Average frost pen- _ 3' 4'5'67' 7' 6'5' ehatlon depth(in feet) 4, ,-�, 3r 3' 3' 2, Will this installation use auger4ype ground anchors? Ilk YES,••to STEP 6,DETERMINE GROUND ANCHOR HOLDING to 10- ••••to Construct Foundation,(p.33) � r' D Torque Probe.Before using i STEP 6.DETERMINE GROUND ANCHOR HOLDING the torque probe,check 'p with the utility companies Z CAPACITY for the location of under- D ,/ When using auger-type ground anchors to tie down the home,first,use a torque probe ground cables or pipes to z jj( to determine the anchor-holding strength of the soil on the site. avoid contact with the CC '�l probe shaft. 17, 1/8/2016 11:39 AM 17 18 Install Footings Install Footings Install Footings supports will increase the load on that support and the size of the required This chapter provides Instructions for the design and construction of individual footings that transfer the load from a single pier to the ground.A footing and pier together(discussed in Set the Home)Is referred to as a'support.'A footing may DETERMINE LOCATIONS also be designed to carry the toad of multiple piers(often called"strip'footings). Point loads exist where a bearing/structural weight is concentrated and tra the foundation at a speck point.Locate a support under each point load, Follow the Steps below: following examples: Bath sides of sidewall exterior doors,patio doors and sliding glas ® STEP 1.DESIGN POINT LOAD SUPPORTS(p.19) (blocking Is not required at exterior doors on non-bearing end we i Jamb studs at multiple window openings. R0 STEP 2.DESIGN FRAME SUPPORTS(Homes Without Perimeter Blocking)(p.21) Jamb studs at any other sldewall openings 48'or greater In wldtt STEP 3.DESIGN FRAME AND PERIMETER SUPPORTS(Homes With Perimeter Blocking)(p.23) • Locations s whore l ss otherwise m crossover ducts penetrate the t s marriage line(unless otherwise noted in supplemental document l with the home or unless the home is constructed with a perimeter ® STEP 4.SELECT FOOTING MATERIALS(p.25) i system). STEP 5.SIZE FOOTINGS(p.25) I Marriage line columns. I load-bearing porch posts. STEP 6.INSTALL FOOTINGS(p.29) Labeled G-2 strap locations(for shearwalis). • Under heavy(400 Ibs or greater)Items,such as heavy furniture, fireplaces and large fish tanks located outboard of the home's me STEP 1.DESIGN POINT LOAD SUPPORTS Mark the required point load support locations on the sketch.Supports are All homes will need supports,and therefore footings,under the frame,marriage line where the manufacturer has reinforced the floor(such as With additional of (for multi-section homes),exterior wall openings and other heavy point loads. floor Joists)and so noted in the documentation provided with the home.Fll The home manufacturer may have provided a blocking diagram(or tags,labels,paint Identifies typical point load support locations. or other markings under the home)indicating the required locations and/or loads for perimeter,marriage line and/or frame supports specifically for this home.If so,the dia- sheanvall Pier Door PBrs gram or tags take precedence over the directions provided in this manual. I.9•em Fro Create a sketch of the home that includes the exterior walls,the frame I-beams and the marriage line(s),If a mufti-section home.The sketch will be used In this chapter to lo- cate each support,and note the size of the corresponding footing.Figure Tie an ex- ample of such a support plan. PerYneler Figure 7.Example of sup- Mamas.v �Shaarwalftr Blacking Piers Door Piers port plan I-Beam Frame is v Marriage Wag Pion arch Post Pier LLL/999/p� Q Frame Piers r/ Z D 66 Z I•Beam Frame N Z �u 'ESS/�„r r�D, CALCULATE LOADS s A, Consult the specific plans for the home being Installed.The location of the Porch Post Piers Perimeter Ep �'�- 5 g piers is shown on the floor plan,The exact loads for any meting line piers a Berimet p the specification tables for that Floor plan, Plan .33105 '' Z Z Door Plere * Determine • - •. _• • • other,documer, D As the location and load for each support is determined,note It on the sketch.When r H Aht" jj/j� selecting locations for supports,keep in mind that Increasing the spacing between F'�F CNS���• ` OT'required FRAME SUPPORTS(Homes Without Perimeter Blocking), 1/8/2016 11:39 AM 19 20 n staff • • •10- if • • • to STEP 3,DESIGN FRAME I perimeter ••� • I I ---�---------------- ——————— -� STEP 2.DESIGN FRAME SUPPORTS(Homes Without Perimeter Blocking) T�oc I O•c, T-0' DETERMINE LOCATIONS / ► / Spacng All homes require regularly spaced supports along all main frame 1-beams.Select • Minus 3'-0' l spacing between supports and sketch them on the support plan.Keep in mind that Spacing frame supports. frame supports under homes with 8"deep 1-beams may be no more than eight feet There must be a support apart.Those under homes with 10"or12"deep)-beams may be no more than 10feet located near the and of __ ________________■_______�.#___; apart.Generally,greater distances between supports will require larger footings. each I-beam such that Figure 9 shows typical frame support locations, there Is no more than 12 I I inches of beam past the I edge of the support. Exception: A support may be located 24 inches max- CALCULATE LOADS imum from the end of the I- Use Table 6 to determine the loads on frame supports.Find the column wt beam for 10 and 12 wides If propriate roof load zone and section width.Find the row corresponding to t the next footing is located support spacing.The number In the intersecting cell Is the load. 3'-0"closer than specified Loads on all frame supports can be assumed to be equal If suppo(t spaclnl In the tables(see Figure However,if different support spacings are used,then each support with a r 10) spacing should be calculated separately. S"Involl Pier Door Flers Figure 9.Typical support Use Table 6 to determine the loads on porch post piers.Find the column H 1-8eem Frame, locations for homes not propriate section width.Find the row corresponding to the roof load and po Marnbere requiring regularly spaced spacing.The number In the Intersecting call Is the load. pedmetersupports Note the location and load required of each support on the sketch. Fran. R TABLE 5.LOAD ON FRAME SUPPORTS FOR HOMES NOT REOUIRIN El El El El E3 en laga wag Piers Frame Pine I-Beam Frans 2100 2400 2700 j 2900 3000 321 2600 2900 3300 ir 3500 3700 i' -394 3100 3400 ' 3900 4200 4300 471 4000 - 4500 6100 5500 5600 611 Porch Poet Piers 4900 5500 6300 6600 7000 7& Door Piers Eave width Is 12"maximum for all home widths. � 1 TABLE 6:SUPPORT LOADS ON PORCH POSTS < Max.section Width Z � rn z D .. ., �1�, •i � g 750 850 900 I 1000 !/' Q 1100 1400 1500 .33105 * Z1700I 1600 2000 \\\\ 10W 1 y y II 1150 1200 ,300i Z . 1. _ —1450 _. - 1700I_-1800 _�_ 2000 r 2000 2300 2400 2600 4 1/8/2016 11:39 AM 21 22 Install Footings Install Footings 1200 Use Table 6 to determine the loads on porch post piers.Find the column v L1400 1600 1s00 190o - ,.. propriate section width.Find the row corresponding to the roof load and pc 1800 2100 2300 270o spacing.The number In the Intersecting cell is the load. 2400 j 2800 1. 3000 3200 360o Note the location and load required of each support on the sketch. TABLE 7.LOAD ON FRAME AND PERIMETER SUPPORTS FOR HOMF FOOTING10- go to:ST.EP4.SELECT STEP 3.DESIGN FRAME AND PERIMETER SUPPORTSIt spacing Location V (Homes With Perimeter Blocking) 1200 1300 1350 1400 145D 1500 14 DETERMINE LOCATIONSFrain _ ._ _�, _. Depending on design and location,some homes require regularly spaced perimeter - 1300 ,'1600 1700 1806 1900 "200_0 1- supports along all of the sldewalls and marriage walls in addition to frame supports. ' 9 P See Floor Plan Instead This will be Indicated on the data plate and/or documents Included with the home. Spacing frame supports. — -- There must be a support 1400 :1500 1700 1700 ; 18D0 1900 14 To minimize the number of required perimeter supports,space them evenly between located near the end of 1500 1700 2000 2200 2200 12400 U point load supports as shown In Figure 11.These figures identify typical support loca- each I-beam such that -" "" - tans for homes requiring perimeter supports. there Is no more than 12 see Floor Plan Instead Inches of beam past the 1700 .�1800 1900 12000 .,2000 .2100_ 17 edge of the support. 1700 2000 2300 -2560 2600 '2900 21 Exception: A support may Marriage be located 24 inches max- See Floor Plan Instead imum from the end of the I- 2100 23D0 ;2400 2600 2600 2 2800 -21 beam for 10 and 12 wides If 2200 26M 3000 1 3300 3400 j 3700 27 the next footing Is located see Floor Plan instead I V_0"closer than specified --- - In the tables(see Figure 2500 27DO 3000 3100 32DO 13400 2: 10) - --- - , 2700-.3100 i,3700 : 9000 ;.4100 ' 4500- 32 5tteerv2B Pier PerMeW Figure 11.Typical support Sae Floor Plan Instead alotlMp Plera Door Plata locations for homes requiring I•aeam Fmrtm perimeter supports El 1200 1300 1350 1 1400 1 1450 1 1500 McMe9a Wall Plus •- 1-1800 2000.....,�s 2_.30D 2500 .2600 i-2800 _ _..1.. _ __. _ Marriage See Floor Plan Instead 1400 1500 ':1700 '-_1760 1800 "1600 Frame Plana 9 E3 El El 2100 2400 2800 1 3000'.3.100 3400 ;43mm Frame Marriig. See Floor Plan Instead i 1700 1800 1900 2000 2000 2100 2500- 28DO M00 J_3600-`.3700 -4000 Porch post playa Pedmeter Q Sea Floor Plan Instead Piers rg Z Fra.e 2100 23D0 2400_1 2600 2600_2800 Door PI.S 3200 3700 4200 4600 4800 5200 .h4ESt O See Floor Plan instead_, CALCULATE LOADS �i Cam` io r- F- 2500 2700 3000 ,3100 3200 3400 Use Table 7 to determine the loads on frame and perimeter supports for homes requlr- M1"�r�? A•u•�'�q 3900 a500 S20o 5700 5900 6400 10 it Ing perimeter blocking.Find the column with the appropriate roof load Qable 3)and o C. section width.Find the group of rows corresponding to the selected support spacing. p a See Floor Plan Instead The values In the Intersecting cells are the loads for the frame,perimeter,and marriage 33105 Z Z line supports respectively. R F. D Eave width is 12"maximum for all section widths Loads on supports ate given type(frame,perimeter,or marriage)can be assumed to z ba equal If support spacing Is equal.However,if different support spacings are used t� . D (Based on Table 2 to 3285.303) then each support with a different spacing should be calculated separately. !''1 4 1/8/2016 11:39 AM 23 24 • • • • • • TABLE 9.PIER CONFIGURATION Pier location Height configuration Less than 361n(except corner Single-stack blocks with long side plers more than 3 blocks high) perpendicular to I-beam STEP 4.SELECT FOOTING MATERIAL Between 36 in and 67 In and Double,Interlocked blocks Select one of the products and materials from Table 8 for the footings. comer pie over 3 blocks high Over 67 in _ Requires Specific Engineering TABLE 8.FOOTING MATERIALS 541n or less Single-stack blocks with long side parallel to perimeter mil(dm joist) Minimum 6'thick poured-tn-place concrete pads,slabs,or ribbons with at least a 28 54 In or less Singiastadk blocks with long side', day compressive strength of 3,000 psi.Cast-in-place concrete footings may also perpendicular to the marriage line Poured concrete Ali soil types require reinforcing steel based on acceptable engineering practice,the design loads,and site specific soil conditions. MinMum 4'thkk nominal precast concrete pads meeting or exceeding ASTM C Pre-cast concrete All soil types 90-02a,Standard Specification for Load Bearing Concrete Masonry Units,without reinforcement,with at least a 28day compressive strength of 2,500 psi. Use In accordance with the pad manufacturer's Instructions.Must be certified for ABS plastic Stable soils use In the soil classification at the site,listed and labeled for the required load ca- pacity. _. __....._.. ._._._ _.._._.._._ .___._.._ -. .___.._.-_,. -___ - - Nominal 2-Inch thick wdod x 30'maximum length,pressure-treated with awafer- Pressure-treated Lumber Stable soils home preservative,in acccudarum with AWPA Standard U1.04 for Use Category 4B ground contact applications.Cut ends of pressure treated lumber must be field- treated in accordance with AWPA Standard M4.02.. Single layer of nominal 314 inch thick maximum 16 inch x 16 inch,or two layers of 314 Inch thick for sizes greater than 16 Inch x 16 Inch.Rated exposure 1 or exterior Pressure-treated Plywood Stable soils sheathing In accordance with PS1-95,Construction and Industrial Plywood.Pres- sure-treated in accordance with AWPA Standard Ul-04 for Use Category 4B ground contact applications. Consult system menu - P(opdeterysystems Consult system tdanufecturar. _ _ factures Will footingsil•- •• to STEP 5,SIZE FOOTINGS, 10- NO,spa footing system manufacturer's InstrUcrionS4,For orf-grade footings,the ground moisture barrier may be,installed GROUND• e RETARDERCornolete Extel Work,STEP 2-INSTALL ••to Frost protection.When se. lecting footing materials, bear in mind the need for frost protection.Not all toot- ing materials are suitable STEP 5.SIZE FOOTINGS for freezing climates. Once the load on the footing and the soil-bearing capacity are known,calculate the size of each footing as follows: fR! (j()//jjf( 1. From Table 9 determine if the pier Is to be of single-stack blocks(8 Inch x16 Z Inch)or double-stack blocks(16 Inch x 16 Inch)pier. 2. Locate the group of roves in Table 10 with the soil-bearing capacity deter- on Z mined in Prepare the Site,STEP 5.DETERMINE SOIL-BEARING CAPACI• J FESSr21}{ TY AND FROST LINE(p.16).Use the next lowest value It the exact value /g ,L G does not appear. 3. Read across the table to determine the minimum required footing area and VV LL N the minimum footing thickness for the corresponding footing type(single or .31105 * Z z double-stacked blocks). ig 4. The required footing size may be changed by selecting another support �y � Ing(Table 5 and Table 7). ° HAK+G?' a it DY cm_'t10 z a r- �(l 1/8/2016 11:39 AM 25 26 FootingsInstall . • TABLE 10.FOOTING D MENSIONS f bloc ks) blocks) Ir �� s, rs•ema • 4I T� 2�' 16x16 6 •1600 6 .•.1600 FoWm E-4a NO Edarwe ers+� re• is• YESeri�.��•s m.a"Tnmmra / 2a• 11 20x20 6 2600 6 2600 YESJ 24x24 6 3700 6 3700 Sri 30x30 B 5600 6 6800 38x36 10 79DO - 8 - 81DO 'r•�•4{ 42x42 - 10 - B000 10 10700 48x48 12 8000 10 14000 sp("mN ea'ms spo woe"a E,�I."m YESL-1h.0.7M NOMarem."a-W d 16x16_ _ 6 2600_ _ 6 _ _ 2500 Irowdu, iuwnm 20x20 6 4000 a 4000 The footing sizes shown are for square pads and are based on th 24x24 8 _ __ 5600 6 5700 _ area(square inches).Design non-square footings such that the a 30x30 10 8000 B 8800 depth Is equal to or greater than the area and depth of the square 36x3e 10 8900 B 12600 shown In Table 10,and the distance from the edge of the pier to I _ .._._...._. __. _._-_____ _ the footing Is not more than the thickness of the footing.See Tab 42x42 12 8000 10 16000 - equivalent sizes of some alternate fooling sizes and shapes. See 16x16 6 _ 3400 6 - 3400 and Figure 14 for details of certain multiple pad configurations. 20x20 6 5300 6 5300 • For four-Inch thick unrelnforced precast concrete footings,use th( 24x24 _ _ 8 _ _7600 6 _ 7700 footing size for the six-inch cast-in-place footing from Table 10. 30x30 10 8000 8 11900 • Concrete runners may be considered as an alternate to Individual Runners may be oriented full-length of home(parallel to the ham( 36x36 12 BODO 10 16000 beams)or In a transverse direction.The size of the runner should 16x16 6 4300 6 4300 coed the size of the footings shown In Table 10,Example:30"x3C 20x20 6 6700 B 6700 maybe replaced by a 30"wide x 8'thick concrete runner. 24x24 8 8000 - - - 6 9700 TABLE 11 FOOTING EQUIVALENTS 30x30 . 10 _ 8000 _ 8 15000 awe 12 BODO 10 15D00 16x16 6 5200 6 6200 1Bx18 Single 20 20x20 8 8000 6 8100 - - "' 20x20 Double 24 24x24 10 8000 6 11700 _ 30x30 12 - ~---8000 8 16000 24x24 Quad 28 lexle` - 6 7000 6 - 7000 30x30 Quad 36 36x36 _Double quad 42 . 20x20 8 8000 6 1090D 24x24 10 8000 8 15600 42x42 Double quad 48 30x30 12 BDDO 10� 16D00 � e, 48x4B We 66 /U//J) J Note:The capacity values listed have been reduced by the dead load of the concrete fooling. Q a PRECAST CONCRETE PADS Design footings to comply with the following additional requirements: z (16"x 16"x 4"thick pads) Cn• Design each footing at least slightly larger than the base of the pier it sup- ports. oFESS.p4,� • To keep footings directly under Reams and other support points,size them slightly larger than the minimum required area to allow slight adjustment of the pier location during home Installation. [/ (/l a Z U)) • Design footings with a footing extension(projection beyond the base of the 1 33105 Z ? pier)no greater than the footing thickness(Figure 12).Increase footing thick- * Z ness If necessary. �,ryr�FC ,T _, D 4 Single Pad Double Pad Quad P N 4" 1/8/2016 11!39 AM 27 28 Installfooting's • • • Figure 14.Multiple Lumber bottom of the footings below the frost line(insulated foundations r TREATED LUMBER PADS Pads Iithic slabs are other frost protection options not covered In this m (kiln.2 x12 x 24'pads) Make sure the top surface of the fooling Is level,flat,and smooth. • In accordance with the American Concrete Institute publication Al maintain curing measures before construction or Installation onto footing begins,until a minimum of 70%of the specified 28-day co ` strength has been achieved.The ACI recommended time to attell strength Is seven days for ASTM C150 Type 1 mi#ures and 10 dl �• \�. .i%`y r=' ti f:. i>''` 11 mixtures.Full design live and dead loads may not be applied ur day duration has elapsed for achieving fug strength. For multi-sectlon units,the mating line piers may need spacial sot G-strap occurs at a support post,the piers can be arranged as sh Single Pad Double Pad Triple Pad ure 16.If the loads at the support post are large enough,it may b to use double piers as shown In Figure 17.If a G-strap occurs wt piers are used,it may be necessary to add support beams as she ure 18. capac ly Double Double i r/. 1900 3800 5700 7500 2400 4700 7100 9400 • Figure 15 tlyru Figure 78 are Intended to show pier and footing pi r/ 2900 5700 8500 11300 3600 7100 10600 14100 The actual pier construction shown(concrete block or commercial 3800 7600 11300 15000 4700 9400 14100 18800 not meant to limit the type of pier that can be used.Any type of p 4700 9400 14100 10800 1 5900 11800 1 17600 23500 described In Table 13(p.38)may be used in these configuretionr /s 6700 11300 1 6900 1 22500 1 7100 14100 21100 28200 r• 7500 15000 22500 30WO 9400 18800 1 28200 37500 STEP t6.t INSTALL FOOTINGS /� tW Construct the tootinga as follows: wM. wdiwl,dlaa• Maintain the distance between adjacent piers to within 10%of the tabulated • wd,dspacing and so the average distance between any adjacent spans is equal to Placing Concrete anchors. wdea.aor less than the tabulated spacing. If anchors will be placed in °' • Whenever possible,placepoint load supports directly under the required lo- concrete,follow InsWctionscations.If plumbing,electrical,mechanical equipment Interferes,place sup- In Install Stabilizing Sys-ports no more than 6 Inches In either direction of the support point. tem(p.68)to determine• Recess perimeter blocking supports and perimeter point load supports no anchor layout.Either place more than 10 inches from the edge of the floor with added support es shown anchors immediately after 8 d P In Figure 15. the concrete has been e.W- Fa ,alp pi ppone.rm—d poured or ddll them In after the concrete has set. 4a1Or.,)Sp..1 Edge R�ered Figure 15.Perimetersup- Togalhdr)6pdnniaS Mtr5,un2 ports E.W.,wdl FbdrJdstd Flom Rim Plate Typkd FbaJddt �'Y" A.Gx. F� Q �Plm fPlu Y Z .33105 * z w z -t o v,2FciiA^tIG`4 D F- r g1P Max Sdtback ^ 5 Fmm EdOe OfFlddr Ia z • If footings are rectangular,orient them so that the long side is perpendicular z Z to the home's I-beam. D • Place the bottom of footings on undisturbed soil or fill compacted to at least z 90%of its maximum relative density. Excavation.If • In freezing climates protect footings from the effects of frost heave In accord- excavation Is required,mark r_ ance with any LAHJ requirements(see Prepare the Site,p.14).Place the the footing locations on the 1/812016 11:39 AM 29 30 Install Footings Install Footings Figure 17.Multiple piers at + - support posts tyt Poet •� p ter'` so= SUPPod .J Poet �l ^1��`j' SUDDo� o , Beem .I Poel 1 wood wedges _ eP bbdc /' / and wedges `—wood we 'L Cap black Pbbe `See footing table forcapedAea SeefoclMBlablafawpad'+aa Boa fooun�acd Dual—L Idi�' poel�S jl✓"',.1/ Boom 1. TABLE 12 BEAM SELECTION FOR MULTIPLE PIERING Wood wade.. ( " —Wwd wcdgoe 41 ^., ap block "^ -cep bock 7-7!7. 300 2=2x14 •10 _ 000 3-2x14 21 606 1-4x14 - 14 000006 _Bap foouag table far co pad., Soo foBBB tabto for wpatlb'e9000 1. Lumber to be minimum SPF 02(may be treated or untreated) 2. Beams of the desired configuration may be selected from the ap( and used Individually or In combinations to achieve the required( 3. Multiple 2X members shall be fastened together with 16d nails at through both outer members a Z Z O r4Ov�010a'1�7 D ~Q t* .33105 \� z Z yfANtt;A�' r C aT�nFCA�.4:i r i 118/2016 11:39 AM 31 32 Construct Construct Foundation • . . Construct Foundation locate the pockets carefully.It is critical that when the home's frame rests H-beam,the perimeter of the floor rests squarely on the foundation wall sll (FOR HOMES WITH LOAD-BEARING PERIMETER WALL) (Figure 19). This chapter provides guidelines and recommendations for the design and construction of a basement or crawlspace Bolt a pressure treated wood sill plate(minimum 2 x 6)to the top of the for foundation using a load-bearing perimeter wall.A load-bearing perimeter wall foundation system uses a wall along the wall.Connect the home to the foundation according to the approved desig outer edge of the home to support the home's outside walls.This perimeter support works with Interior supports such as nuts into the sill plate and cut off the ends of bolts so they do not project at piers,columns,and cross beams that support the home's frame and,if multi-section,marriage line. plate and Interfere with the placement of the home. V STEP 1.OBTAIN A FOUNDATION DESIGN(p.33) 0 STEP 2.EXCAVATE(p.33) ® STEP 3.CONSTRUCT THE FOOTING OR SLAB(p.33) I ® STEP 4.CONSTRUCT THE PERIMETER WALL(p.33) I I STEP S.INSTALL INTERIOR SUPPORTS(p.34) 1 r I 0 STEPS.WATERPROOF FOUNDATION WALL(p.34) V STEP 7.BACKFILL AND GRADE(p.34) Floor P � CAessh Treated •—Mein all Plate STEP 1.OBTAIN FOUNDATION DESIGN s••m construction Complete plans for the nstruction of a typical permanent foundation with load- r/ ' bearing perimeter walls are available from the home manufacturer. If such plans need / i // Treeu. modification,or if a completely new design is desired,it is the responsibility of the re- H4— tailer and/or homeowner to provide a design approved by an engineer or architect,li- Using engineered designs. censed In the state where the home wlli be Installed.The approved design must com- This section is NOT Intend- orom ply with the LAHJ regulations for foundation design,waterproofing,and drainage,and ed to provide a complete the following: design for a buildable foun- woo de n datlon. A complete design • The foundation perimeter bearing wall must be supported with a concrete slab must be obtained that Is or continuous strip footing around the perimeter of the home.Interior piers suitable for the local area must be supported by a slab or footings.If footings are used under Interior and sealed by a profes- plers,they may be designed as In Install Footings,p.19. sional engineer or regis- STEP 5.INSTALL INTERIOR SUPPORTS • Slabs must extend to the edges of the home. tered architect,licensed in Install piers,columns and H-beams to support the interior of the home acc • Footings and slabs must be protected from the effects of frost heave by ex- the state. approved design. tending the footings to or below the frost line or by using a frost protected Foundation ready home. shallow foundation design. Make sure that homes to STEP 6.DAMP PROOF FOUNDATION WALL installed on a basement or a crawisace have been ,J Damp proof the foundation wall no less than up to the height of the planne STEP 2.EXCAVATE or p ordered with a recessed ZD Excavate for the foundation,properly disposing of the earth that is not needed for frame or as foundation- ¢ backflll or slle grading purposes. ready,where the frame is _ basement foundation? designed to avoid interfer- Z Z 110- YES STEP 3.CONSTRUCT THE FOOTINGS OR SLAB ence with the foundation °7i o Construct the foundation according to the approved design,including the perimeter wall. If the home has 2x6 > • foundation wall,drainage system,footing(s),and/or slab, exterior walls,check with 5 the manufacturer to verify ¢ STEP 4.CONSTRUCT THE PERIMETER WALL the home's overall dimen- p STEP 7.BACKFILL AND GRADE Unless the approved design requires otherwise,construct the perimeter wall with mor- slons as these may be in- Z Z Backfill against the foundation wall to the height of the damp proofing. Tal 9 p creased 4°due to this type 9 r not damage the drainage system.Grade the fill as per Prepare the Site(F tared and reinforced concrete blocks or reinforced poured-In-place concrete.Install re- of construction. D R Inforcement according to the approved design or LAHJ.Install ventilation and access Z openings accord Checking the water table. C Does the ap• • -•foundation •- • • groUni according to the approved design,or if not specified,according to the re. For basements,check fora rD all- quirements in Complete Exterior Work,STEP 3 INSTALL SKIRTING(p.99). high water table.The water '0 to install Stabilizing System% When constructing pockets for an H-beam system,measure the beam depth and table may vary seasonally 110, NO�,gO 1/8/2016 11:39 AM 33 34 Set the ee Set the Home Set the Home foundations. JACKS This chapter describes the process of installing the first section of the home(for single section homes this is the only ser- If jacks are to be used,comply with all jacking safety precautions and the p tion)onto the foundation. below.Lifting the home with jacks involves potential risks and must be dom most care and caution.Failure to follow jacking warnings and procedures n Follow the Steps below: serious Injury or death.Please read the Jacking Safety Precautions before home with jacks. V STEP 1.PREPARE FOR SET(p.35) JACKING SAFETY PRECAUTIONS • No one should be under the home's I-beams while the jacks are b r STEP 2:POSITION HOME SECTION(p.35) f ad or while the home is supported only on the jacks. 0 STEP 3.LIFT HOME(p.35) i hwn j jacks only for raising the home.Do not rely on the jacks to ad STEP 4.CONSTRUCT PIERS(p.37) + • If possible,raise the home only on one side so that the other side with the ground.Leave the hitch connected to the vehicle or other equipment 1{ STEP 1.PREPARE FOR SET Obey all OSHA regulations. Before beginning the home set,complete the following: N!. FJ • Make sure adequate safety cribbing(Figure 20)is in place wheneiIs Confirm that the site is properly cleared and graded(see Prepare the Site,p. V I . U placed an Jacks. rei se a minimum of two commercial quality Jacks,each with a 8n{ 14. Clearances under the U • Ensure that the footings are in place and property located. home.After the home Is fE 12 tons. leveled,the resulting dis- Jack only on the main chassis I-beam,centering jacks directly unc • Install any utilities that will be difficult to install(e.g.those below grade be beam. neath the home after e home n lace. tote between the bottom home) the he i i p of the entire chassis main Do not Jack on a seam Qolnt between flanges of twin I-beams). • Secure or remove from the home and properly store all ship loose items(refer frame beam and the • To distribute the concentrated loads from jacks to I-beam,place a to shipping documents for items shipped with the home), ground must be no less 3/8-Inch thick steel plate,a C-channel,a 1'/:inch thick hardwood I • Inspect the home Interior,exterior and all provided materiels,appliances,and than 12 inches. j commercial jacking plate,between the main chassis I-beam and 0 equipment.Immediately report any damage or shortages to the manufacturer. Utilize proper cribbing. , Locate the jack base on firth ground.Never jack on freshly disturb Manufactured homes I where an underground sewer pipe may be located, • The ground moisture retarder must be installed now or after the home Is weigh several tans.No complete.If the retarder is to be Installed now,see Complete Exterior Work, 9 Use a firm support under the jack base to prevent tipping or settlin STEP 2.INSTALL GROUND MOISTURE RETARDER(p.98)for require- one should be under the A minimum 16"x 16"or larger wood or rigid fiberglass pad is recce ment and then return here. home(whether It Is mov- i Never use concrete blocks as a support for a jack. Ing or stationary)unless For perimeter bearing wail foundations: proper cribbing is In place Follow the jacking sequence outlined below to avoid overstressing structun • Check that the length and width of the home match with the foundation walls. (Figure 20).Failure to u0-lize proper cribbing may 1. Block wheels.Block the wheels so the house does not roll. • Check that the two main diagonal measurements of the foundation are equal. result In serious Injury or 2. Install cribbing.Install safety cribbing(Figure 20). • Check that the foundation walls and other support points are within 1/4 inch of death. level between any adjacent piers or any eight foot distance,whichever is less. • For multi-section homes,check that each pair of diagonal measurements for each portion of the foundation corresponding to a home section are equal. • For multi-section homes,find the electrical bonding lugs on the front or rear ' outriggers.Reverse them to the Inside of the outrigger using star washers so they will be accessible after the home Is placed on the foundation walls. Leveling during lip• If using an H-beam system,remove the frame's shackle hanger 0 it will Inter• jacking.Keep the home's zz j fere with proper placement of the beam. floor as level as possible ________________ during jacking.Twisting or z warping the floor can dam- z STEP 2.POSITION HOME SECTION 9 2 3. Level lengthwise.Locate one jack at the hitch and level the sectl Position the home section In Its final location(if possible•move the heaviest section of age the structure and finish- > wise(such that the front and rear of the section are at the same hi the home Into lace first),Then lace materials needed to construct support piers near ing.Use as many jacks as g p ) p pPo necessary to keep the floor 4. Locate frame jacks.Place a minimum of one jack just forward of their final locations under the home as determined In Install Footings,(p.19). ¢ spring hanger and another just behind the last spring hanger of th, flat and level. O H z rn the side of the home that is lowest(making sure not to place jacks STEP 3.LIFT HOME 3 piers wilt go).Place jacks no more than 20 feet apart and no more There are three primary methods available to place the home on the foundation: D feet from each end of the I-beam. jacking,rolling and craning.Jacks,often with roller systems,are typically used for pier c I S. Lift the home.Operating the jacks simultaneously(or sequentialll and anchor foundations;roller systems are commonly used for crawlspace foundations D small increments),lift the home section until it Is slightly higher the with load-bearng perimeter walls;and cranes are most commonly used for basement r- desired pier height. 1/8/2016 11:39 AM 35 36 Set the'Horne: Se t the Rome ROLLER SYSTEMS TABLE 13.PIER MATERIAL MINIMUM SPECIFICATIONS When using a roller system,comply with the equipment manufacturers directions and the following sequence: 1. Establish staging area.Establish a staging area directly adjacent to one or Nominal dimensions of st least 6'x 8'x 16%minimum both sides of the foundation. Cgo,grade N. 2. Setup rollers.Set up the roller system according to the equipment manufac- Solid masonry(nominal 4'x e-x 16'precast concrete Curer s directions. (nominal 2'x 6'x 16');or steel(minimum 1/2'thick,a exterior paint or equivalent). 3. Fasten bump blocks.Temporarily fasten wooden bump blocks on the sill _ - plates at the ends of the foundation to stop the home from rolling at the do- sired location. .- � Hardwood,minimum 4'�wMth by mWmum 6'length by 4. Roll home.Roll the home into place over the foundation. with maximum load capacity;used In pairs. 5. Remove bump blocks,Remove the blocks before installing the next section —a-ble in various sizes stamped with maximum loac of a multi-section home. cal load capadly,and where required by design,for th CRANES TABLE 14.PIER CONSTRUCTION When using a crane,follow these guidelines: • Position the home section(s)and crane(taking the boom reach into consider- atlon)such that they do not have to be repositioned during the set. Single-stack blocks with long . Use enough properly sized straps to maintain balance of the home and to Less than 381n _ _ side perpendicular to!-beam prevent damage to the structure. 1'(%,u . Between 38 In and 671n Double,Interlocked blocks hit Place straps under walls or posts,Including temporary posts used to support the opening.Do not position lifting straps under marriage wall openings. over 87In Designed by a regish • Use a property sized spreader bar to maintain a vertical lift,to avoid placing Three or less blacks high Single stack blocks with long Y compression forces on the eaves and to reduce any tendency to slip. side parallel to I-beam . Connect a rope to at least one point on the home so it can be controlled while over three blocks high; Double,interlocked blocks u aloft. up to 67 In - - hlg • Make provisions to retrieve the straps/cables after the home Is set.If using a Over 67 in Designed by a regish cradle system,notch the sill plate where the straps will fall.For a sling sys- Single-stsck blocks with long.I W up to' tam,notch and reinforce the home's rim joist to keep the strap from slipping I 64 in or less' side parallel to perimeter mil..l'over and allow the strap to be removed after the home Is set (rmjolst) . Always set the home section farthest from the crane first so that subsequent Single-stack blocks with long W up to section(s)need not be lifted over previously set sections. 54 In or less• side perpendicular to the 1'over; marriage line efoundation •-- e- e -• 'Construct perimeter and marriage fine piers over 64 inches according to the requin .• instilled part of approved load-be aring perinneW 1. Prepare footing surface.Make sure the footing surface upon wh sits is flat and smooth.Before placing the pier on the footing,dear wallf° ° ° or other material off the surface of the footing.For cast-in-place cc jYES,■•to Complete Multi-,Section Set,(p.41)or,••to Connect Ings,if the footing surface is uneven,create a level,flat surface b) r f or s I fnglesection homes. treated board on the footing and mortaring on the first block(or mi . .•to pier base),or by placing the first bloc((or manufactured pier base of premix dry sand mortar. 2. Stack blocks.Stack concrete blocks with their hollow cells align STEP 4.CONSTRUCT PIERS lip < When piers are constructed of blocks stacked side-by-side,orient For the side of the home section that Is up on jacks,place piers on footings or pads fol- r z at right angles to the previous one(Figure 21)and plan blocks so lowing the home manufacturer's blocking plan(or tags).If no plan was provided,use V ZZ z caps will be perpendicular to the blocks they rest on and to the I-b the support plan developed in Install Footings(p.19).Start at one end of the home m Z section and work toward the other noting the required pier material specifications and Designing piers.Incorrect 0 size,location or spacing of D H procedure described below. r piers may result In serious Construct piers so as to provide a stable foundation for the home using materials listed structural damage to the Q In the speelflcatlons box below and based on the location of the pier and its height as home.Install piers at all re- measured from the top of the footing or pad to the top of the cap.See Table 14 for pier quired locations.Failure to do z m construction requirements. so may lead to sagging ic y� floors,walls,and roofs,and z could void the home's war- Z 6tff1 ranty. D r 1/8/2016 11:39 AM 37 38 I I the Home Setthe Home Figure 21.Frame pier con- iUSING A WATER LEVEL__--" _n_ -,_. struction A water level is a standard device for leveling the home.The level Main I-Bean consists of the following components: Wacd BMmsbRl - Gaps Up to TMme C• One container(five gallon bucket or one gallon Jug). Main I-warn :• 150 feat of 1/2 inch diameter plastic tubing. j Wood BNms bRl optional(2)War �• Fittings for container to tubing. Gepa Up to 1'M. (1)202 Spas Optional are • Valve for terminal end of tubing. i apace 4xexle concrebCrp ;• Liquid for system:colored water In warm climates,windshield 4XBX16 cocoa Typical fix6x16 washing fluid In cold climates.' Y Cap or 2x8x16PT. Corals Black or HerdwocdCap �` I I i Typical 8x8x16 con.-ow Black - PRCh`-5S7�q ' I Typical Facing � �Ft� A- Typical Faoana .s 3�;� a.tiffs V y�•+i• '� t( !_—.��_... -_�,..___�_--'�'- -� How to use a water level pp �•�F`t,N1GH }a. Position level.Position the level such that it can reach all plc r�J/Cft+t``F• b. Place container.Place the container so that the fluid in the c tainer is at the same level as the desired level of the top of th- supports under the home,allowing for any bracing below the; 3. Cep piers.Place a cap on hollow block piers to evenly distribute the structural l at of the I-beams.. load.Use caps the same length and width as the piers they rest upon.When �/ 1 c. Uncoil tubing.Uncol the tubing and fill with fluid,taking care using split caps on double-stacked block piers,install the caps with the long / f, I - to Intro i Introduce bubbles nto the me hose.Navel allow anything to ci dimension perpendicular to the Joint In the blocks below and to the main I- Curing ti of mortar or crush the tubing so as to Impede the free flow ofbeam. fluid.' 4. Install shims.Use shims to level the home and fill an gape between the Where wet mortar is used to d. Bleed air.Hold the valve below the level of the water contain' I Y construct or level piers,al- I open the valve to bleed out any air and close the valve., 4 base of the I-beam and the top of the pier cap.Always use shims In pairs low It to cure to at least 80% 9 (Figure 22).Drive them in tightly so they do not occupy more than one Inch of of strength capacity(usually e. Establish height.Locate the tubing adjacent to a pier that Is vertical space.When the space to be shimmed Is greater than one inch and requiring 95 hours)before l to the desired final height.Position the valve above the pier a less than the minimum thickness of available caps or concrete blacks,use setting the home. i open the valve.Move the water container up or down to whet the water level is at the desired final he hardwood dimensional lumber(two Inches maximum thickness)or 2-or 4" height of the pier.Mainta thick concrete block.For spilt caps,Install shims and dimensional lum- the water container in that position and close the valve. 1 bar/blocks over each Individual cap. �f. Level piers.Move the tubing to the next pier.Hold the valve! Figure 22.Correct shim above the pier and open it.Set the pier height to the level of t placement water in the tubing and close the valve.Repeat this step until 141aam plers are at the seine level, 6. Complete the opposite side.Jack the other side of the section u sm.. Z piers following the Instructions above.At the completion of this ste tlon should be level from front to rear and from side to side. spasar Dimensions of Z 2 7. Install perimeter and marriage line piers.Install perimeter piers ap masonry perimeter walls. (Al z multl•section homes,marriage line piers.Position marriage line pl If using a masonry perimeter y r= vlda equal bearing for both mating sections. enclosure,calculate pier r dh heights so that the encio- S ¢ S. Remove running gear.Remove and store,recycle properly sure can be built using hitch,axles,and wheels.These items are the propertyty of the hamm less other contractual arrangements have been made. O standard unit dimensions Z z (without cutting). D -single-section 5. Set up level.Set up a water level with the fluid level at the desired height of z 0, YES,••to 0). the main piers.Carefully lower the side of the section down onto the leveled D ` ,gc�toqomplet6 Multi Section et,(p.:41), • piers,adjusting the final height with shims. 17- 1/8/2016 11:39 AM 39 40 n r• u � r. M-ulti- Section Set Section Complete Multi-Section Set lion may required during lifting.However,take care not to reel roof and damage the hinge.Raise the roof evenly In small Incremr This chapter covers the preparation and installation of additional home sections,including the structural connections be. Ing k level throughout the entire process to prevent racking.Do nc tween units,raising and fastening hinged roofs,and fastening the home to a load-bearing perimeter wall foundation. g paper and shingles get caught in the hinge crease. 4. Secure king pasts.Position the hinged king posts atop the fixed or against the wooden stop(Figure 23).The king posts are hinge, derside of the hinged-truss top chord.Postton them as needed to roof,aligning each hinged king post with the king post directly ben v STEP 1.INSTALL MARRIAGE LINE ANCHORS(p.41) securing in place using straps,sheathing and fasteners as shown 1 24,Figure 25,Figure 26 and Table 15 and Table 16. R . STEP 2.REMOVE PROTECTIVE SHIPPING MATERIALS(p.41) CI . STEPS.COMPLETE HINGED ROOF(p.41) 1 I B STEP 4.REPAIR OR INSTALL MARRIAGE LINE GASKET(p.44) SMn STEP S.POSITION ADDITIONAL HOME SECTIONS(p.45) I. hinged post dam I I swln9 top Fixed STEP 6.CONNECT FLOORS(p.46) ! chord w king pose RI STEP 7.CONNECT ROOF(p.47) ® STEP"8.CONNECT WALLS(p.50) ' I - i ® STEP 9.ATTACH TAG UNITS(p.52) I I I V STEP 10.REMOVE TEMPORARY ITEMS(p.53) . � ar m...,evv°ea eo . ,.m o+mrnamwm.+a STEP 11.FASTEN HOME TO FOUNDATION(p.53) .a rW.nm o°ea■ r o�,w,ma•.e+m°Leo° bec.`oe , xN�V+■ ` " :® STEP 12.BACKFILL AND GRADE(p.53) m. I V STEP 13.BUILD STAIRS(p.53) ummamevep rr STEP 1.INSTALL MARRIAGE LINE ANCHORS If the home Is In Wind Zone II or III,Install ground anchors along the marriage line now; before mating sections are joined see Install Stabilizing System(p.68).After in- stalling marriage line anchors return to this point In Complete Multi-Section Set. End View position roof Jacks.Post- Von Jacks vertically to pre- STEP 2.REMOVE PROTECTIVE SHIPPING MATERIALS vent the Jack fort from kick- Remove all shipping protection and associated fasteners from both home sections to Ing out or sliding. TABLE 15,HINGED ROOF KING POST STRAP SPECIFICATIONS be Joined,Including plastic used to close up the open sides during transportation.Do Caution during roof rats- t� Fastner - not remove the temporary supports holding up the ceilings at major openings. Ing.Do not enter the roof Isgr, Q cavity during the raising (t$�3)yN - - - STEP 3.COMPLETE HINGED ROOF t-t/2°xa^xz0 r procedure. zz King post strap gauge 1 Every third rafter I" Every rafter �I If the home has a hinged roof that has been folded down for shipping,raise the roof us- Checklists for alternate z 7/ttI'x t'x t6 6 each in each 6 each In each I:6 Ing a crane or roof jacks following the procedure below: construction.If the serial yl z Stap a Into st ap gauge j end end 1. Position lift points.Position the roof lift points Qacks or crane lift points)fol- number(see the data plate O lowing the Jack manufacturer or crane operator Instructions.Space roof lift or the chassis front cross member)has the letters g TABLE 16,HINGED ROOF PLATE CONNECTION SPECIFICATIONS points equally along the length of the roof with no more than five feet from the 0 "AC"before or after it,then and of the roof to the Oret or last lift points.Use three Ilft points for a roof up to O F the Alternate Construction z 48 feet long(excluding overhangs),four lift points for up to 60 feet,and five lift m E �{ points for up to 76 feet. on-site check list supplied g z with the home must be D IIt Toe-screw thru ga x 3^wood 2. Remove fasteners.Remove any temporary fasteners connecting the hinged completed and returned to z hinged king screw none 2 per knee brace 4 p portion of the roof to the vertical king posts. the home manufacturer In a m post 3. Lift roof.Raise the roof to its intended height A temporary slight overeaten- timely manner.If the AC r- Connecting 1x lid x al'i { 2 rows al l-1rz 2 rows et 7-1rz In 2 ri 'plates nail I 'In 1/8/2016 11:39 AM 41 42 o • - • • Section • Figure 26.King Post and 7. Redistribute Insulation.Before closing up the attic space check Tns-x 12"x 121.Wd Plate Connections sulation has not shifted.Re-level the Insulation If needed. sheathing fastened to B. Install gable walls.Install the gable and walls for each home sec Hinged plate with 2-rowsof8 lows(Figure 30): king poal 8d nalle every 3rd bay. • Studs: Install minimum 1x3(gat)studs 16 inches o.c.and fas King post top and bottom chords and diagonals with(2)7/16"x 2"x 16 Strap or 6d nails and; • Sheathing: Install sheathing or siding with 7/16"x 1-112"x 16 or 6d nail at 6 Inches o,c.At feast two edges of each piece o >11 Double fx pee must be supported by framing members. (Sea tablefor . House wrap: Plant-supplied house wrap material must be Ins Fixed king Connecdom) any rated sheathing underlayment as a weather-resistive bar port vent contact with any lap siding. Material may be secure wilt staples or tape to hold in place until exterior siding is applied. Ridgebeam Hinged top chord In set-up poelllon 5. Ridge filler option.If the roof has a ridge filler to finish the roof peak as shown In Figure 27,care should be taken to Insure that the hinged rafter de- sign can accommodate the additional loads imposed by the ridge filler. Fas- ten ledger to hinged top chord as shown In Figure 28. Ridge filler section rafters are not required to align with main unit rafters.Wood filler shims up to T7Dlaalpurfi° 1 Inch thick may be Installed between ridge filler assembly and ledger to facili- tate proper fit but fastener lengths must be Increased accordingly. Fasten ridge filler section together as shown in Figure 29. Ridge Roofddge F.ao.rapt.1—hnawl Vdm°aamaW Figure27.RidgeFillerOp. ' members filleralmlWMWt Vx t'a to p. 711r,1114' nen for Hinged Roof Gable end eheathlag A,B ee.etepla.drrax 1"Pa.-7 Figure 28.Ridge Filler Con- °r detrie e necdon to Hinged Top Chord 1 x 3 min,Wring MIn.0 sad eh..Tag RaorrMpe Hinged . rear heming knee brace p.n.n daps samew 2.41.pr� 9. Install vents,Extend plumbing vents,exhaust fans,appliance ve le.°.r Mlh eexa'a°oe bNnged top oBad .crow.ar.,B,•°1a..a• place stacks through the hinged portion of the roof in strict accord .4.1 tr•.•mar. this manual(Prepare Appliances and Equipment,p.89)and/or 6. Roof sheathing. Fasten roof sheathing with 1"x 1-1/4"x 16 go.or 7/16"x 1- mental Instructions provided by the home manufacturer. 1/4"x 16 ga.staples at 6 Inches maximum at panel edges and 12 Inches max- imum at intermediate rafters. See Figure 28 for increased fastening on either side of joint If roof has the ridge filler option. ? STEP 4.REPAIR OR INSTALL MARRIAGE LINE GAS A continuous,non-porous gasket creating a permanent air border must be Figure 29.Ridge Filler Sec- ¢ at least one side of the marriage line;along the floor,end walls and ceiling flan Connection y z or bottom of ddgebeam)and etmarriageher lines nsta for any tag units.The manufac -i Z provided a marriage line gasket either Installed on the home or shipped loc > stalled,Inspect the gasket and repair any gaps or tears. If not Installed at the factory,Install a continuous gasket between the home E Ac Q along the floor,end walls,and telling(Figure 31). o 33105 z z For homes with through-the-rlm crossover ducts,see supplemental details ` proper connection at the marriage line. z 1 M'�rt4•BBr 9•evaaecrewar MIn.4-IB.I'wWaeaw.> � 4•.19t•alo,xTIwa4x4+nmrl 4.,t91'dl .9=rrl�"R!e) u�ro°.n.O'ft.batgp.ad n.Iaodmoalaal. tmwcn.wBml rdm.(ypmdr- �nct;�L'rFD'2,r. 1/8/2016 11:39 AM 43 44 e ., Complete e o o on Flgure3l.Marriage Line STEP 6.CONNECT FLOORS ..,,, •__ Gasket 1-- Installation Make Floor structural connections according to one of the methods describ ----------- - ---- Method 1:Install toed fasteners through bottom board or floor deckir R Install fasteners at approximately a 45 degree angle(+/-5 degrees)from I 1 shown in Figure 32 using the fastener type,size,and spacing indicated of Install fasteners as indicated,making sure to repair any openings in the be 0 0,_____ with tape specially made for that purpose(may be provided). a TABLE 17,FLOOR CONNECTION FASTENING SPECIFICATIONS a - --- _ Lag screw 3!S'x 6• I 36 in. J 20 in. 1 Increase fastener lengths by 3Inches for double rim Joists. f ftrd� Mmdw.tn. � mierdna Fioo<awn�—. IntaM FEU Datlnp panel RM Jobs 1'max.•P min. '�+�'II - Section A-A Section 13-6 Section C-C I ~ F01b1Aer I I � � oasts � STEP 5.POSITION ADDITIONAL HOME SECTIONS Follow this procedure to Install additional home sections: Stagger fasteners on either side of marriage line and offset them by half th 1. Remove obstructions.Remove protruding nails and staples or anything else distance(Figure 33). that will keep the home sections from fitting together snugly.if present,cut the temporary ceiling and floor plates at the edges of marriage line openings tak- @Mechanical post. F.tenarl.omlbn ing care not to damage ceiling or floor coverings or displace temporary mar- tioning system.For a pler- �Mwdega wa riage line support posts(these supports and the plates will be removed after set home,a mechanical the home sections have been structurally connected). positioning system(such as 2. Complete crossovers.Before moving the two sections together,complete a roller system)will make any crossover connections that require access from the open marriage line, the process easier and saf- spa�rg 6p-0 Including the attic duct connection(If present)and marriage wall Interior elec- er and be less likely to From trical connections(see Connect Crossovers,p.59). damage the home. T.N. spackg 3. Position section.Position the section as closely as possible(ideally within rbe six Inches)and line up with the previously set section.If using a mechanical 6! r epFrampositioning system or crane,follow the system manufacturer s Inatructlons or retie spa,ro the crane operator's directions. Sealing gaps.Prior to com- j speH. rm a 4. Construct piers.With the outside walls of the home aligned,construct the pletion of the exterior close- zQ piers for the home section according to the instructions In Set the Home(p, d t t d exceed that no 35)before continuing to the steps below. up,gaps Z g one inch are permitted be- cn 5. Level section.Lower the section onto the outside piers first,inside piers lest. tween structural elements A Z Method 2:Install horizontal fasteners through rim Joist Before releasing the mechanical positioning system,check Interior doorways provided that the gaps are � Insert 3/8'x 3'lag screws spaced per Table 18 horizontally though rim Joh and other openings for misalignments that may cause problems during trim- closed before completion of 5 g gered top to bottom as in Figure 34.After Installation of fasteners,repair t out.The floors should be flush,level,and tight and the root section should close-up,the home sec- "t _j In the bottom board using tape spedally made for that purpose. have little,If any,gap at the top of the marriage line.Use at least two comes- Bons are in confect with 0 la longs to pull the sections snugly together and use the water level or other lev- each other,and the mar- Z cn TABLE 18.HORIZONTAL RIM JOIST FASTENER SPACING eling device to set all piers and shims. rlage gasket provides a D i 6. Shim gaps.Shim any gaps up to one Inch between structural elements with proper seal. Z 1 - lain.' 10 in. - a_In. dimensional lumber.If any gaps exceed one inch,re-position the home to i eliminate such gaps. D 1/8/2016 11:39 AM 45 46 Complete,Multli- :Seption Slet Section Set Figure 34.Horizontal fas- Select metal caps made of minimum 8"x 32 ga.galvanized steel Lh• teners through rim Joists aluminum. • Install caps continuously,overlapping by minimum of four inches- Fbar ---F.u�.r • Fasten caps with galvanized staples on both sides of ridge accon De kbg specifications and spacing in Table 19. p Method 2:Install straps over roof sheathing Lmoii;a�m ns,mosawe 0 If the home Is built with a TJI ridgebeam at the peak of the roof,straps mul secure the roof sections together rather than lag bolts.The straps will alrer F•"•"•' stalled at the factory at the spacing shown in Table 20 and Figure 36.If th sp°w'agi'm:„�i� were not Installed or If they are damaged see Table 20 for specified size a of the straps.The straps need not be galvanized. For factory-installed straps band the straps up before the sections are plac STEP 7.CONNECT ROOF After sections are in final position,bend the straps back down on top of the If the marriage fine along the ro y is not snug,position jacks every 20 feet or less along r ' r ing and secure the ends of the strap as shown in Table 20. the outside I-beam and uniform) lift the section until the roof area is tig ht. /A Check to make sure the ceiling joint is flush before installing the connections.If not, Closing the roof gap.Level TABLE 20.ROOF MATING LINE STRAPS use a jack and lee to raise whichever ceiling is low,starting at the front and working to and fasten the marriage Fastener Number(each end of strr, the rear of the home.Fasten the roof along the marriage line using one of the methods line joint at the floor before below for either double or triple-section homes. jacking to lighten a roof 1-12"wide x 26 _ gap.Close up any gaps Straps gauge 48 in 241n DOUBLE-SECTION HOMES with shims. DO NOT use — i--, Make roof structural connections In double-section homes according to the one of the roof fasteners to close any Staples 7/l6"(or 1")x 1- 6 each. - -8 each methods described below. gaps.Separation of the 1/2*x to gauge Method 1:Install toed fasteners through roof sheathing ridge beams and trusses Nails 0.082'x 1-1/2" 9 each 9 each Install the fasteners through the roof deck Into the ridge beams or filler chords at an may occur. 9 9 Rldgebeam type. It is im- 'Special eave fie-down connections have been installed at the factory thal approximately 45 degree angle(+/-5 degrees)from horizontal(Figure 35)according to portant to use the correct Wlnd Zone I homes to be installed without the straps and anchors at the m the fastener spacing and specifications in Table 19.Stagger fasteners on each side of marriage line and offset them by half the spacing distance(Figure 33).Spacing indl. fastening method depend- (I.e.'G-straps)that are typically required to resist uplift. cated is on-center,both sides of ridge.Make sure fasteners penetrate the ridge beam/ Ins on the ridgebeam type. filler chords by a minimum of 1-1/2 Inches both sides of ridge. Far homes with TJI Use of Method 1 with a TJI ridgebeam next to the roof peek,see Method 2 Instead. If the TJ1 ridgebeam Is located ridgebeam can cause struo- lower In the attic cavity and filler chords are at the peak,then Method 1 may still be tural damage to the beam. used. / Figure 35.Toed fasteners Underlayment //Fasten through roof sheathing fcocf � P4Fmx P,i1:a:rJng t '� Roof sheathing z or Hier cacm _ Z Rafter king post TABLE 19.ROOF CONNECTIONS SPECIFICATIONSFastener _ z � IFSs'ov, O Ridge beam Lag screw 3/8'x6" 36In. Spacing201n 16In. *�c wR A//�� . a web 3 In.for 14-wide i Z Z Fasteners in 1'x t-1l4'x 18 I .33105 3 max.or 2 e max. a in. B ln. rootcap gauge staples tIr Z for 16-wide max. _ Z ,r.?FCHAKIG�� D 4 .rrC,'f Gs'Fr' r 1/8/2016 11:39 AM 47 48 • • • • Multi- Section • TRIPLE-SECTION HOMES Method 2:Install straps over roof sheathing For triple-section homes where roof lines run parallel to each other on adjacent units If home Is built with a TJI ridgebeam,roof straps must be used to secure it (Figure 38),follow the Instructions in the appropriate method below to complete the dons together at the marriage line rather than lag bolts.The straps will aln connections at the roof. stalled at the factory at the spacing shown In Table 22 and Figure 39. If 8 Method 1:Install fasteners through pre-Installed sheathing were not installed or If they are damaged,see Table 22 for specified size a For homes where sheathing is in place on both sides of the marriage line(Figure 37) of the straps.The straps need not be galvanized. Install fasteners from the low side of the roof on an angle so as to penetrate roof beams For factory-Installed straps,bend the straps up before the sections area pit or filler chords on both sides of marriage line,using the fastener specifications and er.After sections are In final position,bend the straps back down on top o spacing indicated on Table 21. For homes with TJI ridgebeam next to the roof sheath- sheathing and secure the ends of the strap as shown in Table 22. ing,see Method 2 instead. If the TJI ddgebeam Is located lower In the attic cavity and filler chords are at the sheathing,then Method 1 may still be used. centa�semon oatarseam Figure 37.Tiiple-sectionroof oonnectlon Method 1 TABLE 22.ROOF MATING LINE STRAPS Factory-Irebtlad Fos nor Number(each end or str. Undedapmd Factory-WoUled 8 ing mWind Zone 11 Wind Zone 11 Flet,14,S sled 1-1/2'wide x 28 surem Straps gauge 481n 24 in Factory-Iretd od 7116'(011. Or gauge 1- - stnvloe Staples 116x1 aeach Beach Aephae R.fingcmre d Set...Ley—.1 Nana 0.092"x 1-1/2' 9 each 9 each Undedey—I mnc Wide Complete the marriage line by Installing the roof cap in a similar method to i D for the Double-Section homes in Table 19. a�o Rod p uneedeymem AR undedayrrent � � locethn Z.(optioned) Fee— ahhgbe / Figure 38.Thple-section home ___________ Band up ova{ Rafter king eveP appled LM poet M-eve tx I I Fedgebaem xeb Plan Ebwlm TABLE 21.ROOF CONNECTION SPECIFICATIONS 9L � STEP 8.CONNECT WALLS 71 D Once the home is secured along the marriage line floor and roof,secure eI Z tenor doorways,and marriage One partitions according to the appropriate r Lag screw 8 In. E g scribed below: Fasteners G 1"x 1-1/4'z 18 1 O END WALLS -roof cap gauge staples 81n. BIri. 8 in: P?�fEgS+� r' 1= Install toed fasteners through sheathing ,kO g Toe fasteners through sheathing from the exterior at an approximately 45 t Install a roof cap as follows: G � q ¢ (+/-5 degrees)(Figure 40)according to the fastener specifications and sp Z < quirements in Table 23. • Select metal caps made of minimum 8"x 32 ga galvanized steel or 0.019" (/( Z aluminum. 6 .33105 , • Install caps continuously,overlapping by minimum of four Inches at splices. c • Fasten caps with galvanized staples both sides of ridge according to the „�"'FC}q�I,cp�.� specification and spacing In Table 21. Te'Jr LAtyt re>' 1/8/2016 11:39 AM 49 50 Complete • • Multi- SectionSection cos.a Figure 40.End wall connec- Wen stud. flon toed through sheathing ••additional zecti• • • to •_ positiq Ilo- YES,••to STEP 1.INSTALL MARRIAGE LINE GROOWi, Edorbr 5img ,Fafe,iw • SWIM • um"n� 'is therer a tag unit? ••to.STEP 9.ATTACH TAG UNITS(p,52) • ,continue below. Is there a hinged roof? Fmbn" •• •STEP 3.COMPLETE •ROOF, TABLE 23.END WALL FASTENER SPECIFICATIONS NO, Fastener type Size Spacing Lag screw with washer 5116•x5• 24in.o.c. STEP 9.ATTACH TAG UNITS Wood screw ke x 4° 24 in.o.c. After the mein unit has been set on its foundation,Install all tag units actor Nall 16d 8 in.o.c. following procedure: 1. Position and block the tag.Position the tag unit as close to the MARRIAGE WALL COLUMNS,OPENINGS AND INTERIOR PARTITIONS possible at its intended location.Use a hitch jack to obtain appro) Make connections inside the home along the marriage walls(Figure 41 and Figure 42) ing and install pier supports according to Set the Home,STEP 2. by InstalNng fasteners according to the specifications and spacing requirements In Ta- HOME SECTION(p.35).Determine whether the tag and main ur ble 24.Toe screw 2 x 4 or 2 x 6 studs;through-screw 2 x 3 studs. designed to line up flush or are offset by a step and adjust the tat accordingly. 2. Level the uniL Using a water level(p.40),verify that the piers arc i�rawm Figure 41.Marriage wall elevation of all points along the lower flange of the I-beam should connections 1l4 Inch of level between any adjacent piers or any eight foot dist ever Is leas. l l "0•° "pp1a At 3. Shim gape.Shim any gaps up to one Inch between structural eli F'a�0 tag and main unit with dimensional lumber. If any gaps exceed o ®mn• position the tag to eliminate such gaps. Max.1/4"lauan shims m to align the top chords of the main unit dormer and the tag. 4. Connect floors.After conflrning that the floor of the tag unit Is Is ooa I main unit floor,connect the floors together as described in STEP NECT FLOORS(p.46). 5. Connect walls.Secure the tag unit walls to the main unit sidewal 4"screws at 12 Inches o.c.(see Figure 43).The sheathing shove may not be included by the manufacturer.If included,the sheathll last stud bay was tacked In place at the factory for easy removal r Once the wall connections are complete,re-Install the sheathing F"tl"em Figure 42.Marriage line col- the siding Installation. umn connections Mmlp.lYn SM.•iLut FaW 1 ry.. n u UM Q upp""Fmb Z (n Z D O F- TABLE 24.MARRIAGE WALL CONNECTION SPECIFICATIONS ^•4� A Gryyy F� g wnw Wood screw il8 x 4° 18 in.o.c. Z � .33t05 * D 1 s ift Z 1 T..w C �r 6. Conned roofs.For flush roof conditions,connect the tag unit raf r�'�f'Cn'-'•t,r. to the main unit dormer face frame using#8 x 3.1/2"screws at 24 1 81201611:39 AM 51 52 Comp leete Multi- Complete Roof Section • • shown in Figure 44. Roof connections with an offset do not require screws. Complete Roof and Exte ri I �—n d°•3 T°9,.x Figure 44.Tag Unit Roof This chapter covers dosing up and weatherproofing the home by completh Connections r� 'Follow the Steps beloW* STEP 1.COMPLETE ROOF(p.54) cR�F`SS+p i ���� p Ch STEP 2.COMPLETE TAG UNIT ROOF(p.56) { oae.unw°wm •,eQ�,.,3�u rV - //cG + STEP 3.COMPLETE SIDE WALLS(p.58) .n°. xs x s 10-4 °a`"" STEP 1.COMPLETE ROOF u.m mar do,mr ,To, RIDGE CLOSEUP torn xnvre C,.,,LVE�x`'' For multi-section homes,the first step in completing the exterior Is sealing the ridge line(Figure 45).For homes with asphalt shingles,follow the proc For homes with metal or other roofing materials,follow the Instructions the STEP 10.REMOVE TEMPORARY ITEMS the roofing materials or provided as a supplement to this manual. Once the home Is properly supported and the marriage line connections are completed, Cep Shingle remove the temporary ridge beam supports and wall/ceiling plates used to brace the ridge beam during shipment.Take care not to damage the calling. Underlayment Remove and store or properly dispose of or recycle the hitch,axles,and wheels.These Items are the property of the homeowner unless other contractual arrangements have Metal-3 been made. Factory Is the Shingles home;supported on •_• •-_ • perimeter YiEs,go to�STEP 11.FASTEN HOME TO FOUNDATION,(p.53) 1110- • •e • Factory Shingles STEP 11.FASTEN HOME TO FOUNDATION Fasten the home to the foundation(typically to the sill plate)according to the fastening r Roof Dec schedule provided by the manufacturer. ;ebr VAA When to backfill.Backfill esupported • basement against basement walls on- 1. Install underlayment(when sheathing at the ridge Is Installed or Is the ly after the home Is con- sure the roof sheathing Is already Installed(see Complete Multi- llo- YES, e to STEP 12.BACKFILL AND GkADE, netted to the foundation or STEP 7.CONNECT ROOF,p.47).Install 15#felt or equivalent o • go to-Complete •f and,Extefior Walls,(p,54). the basement walls may along the length of the ridge,covering all exposed sheathing and deflect inward or collapse, sheathing Joints by at least five Inches on each side.Fasten usinc Cutting the chassis.Do net go galvanized staples.For Wind Zones II and III,also apply a six STEP 12.BACKFILL AND GRADE cut,notch,bend,or alter in J of roofing cement along each side at ridge under the underlaymet Backfill against the foundation wall to the height of the waterproofing,taking care to not any manner beams,cross- < 2. Install shingles.11 shingles have been left off at the ridge line for lion,Install them now using 1°x 1'x 18 go galvanized staples or' damage the drainage system. members,and other parts z of the steel chassis. ¢ long,3/8°diameter head roof nails.For Wind Zone I,fasten at 5/E Grade the site as described in Prepare the Site,STEP 3.CLEAR AND GRADE THE each tab cutout slot and one at each end of the shingle one Inch i SITE(p.15). Z ZZ edge(four fasteners for a three-tab shingle)(Figure 46).For Win, III,use two fasteners 5/81nch above and on either side of the tab STEP 13.BUILD STAIRS > g at each end of the shingle one Inch In from the edge(six fastener Construct the basement stairs In compliance with the local building code.Take care ¢ tab shingle).Do not fasten through the shingle ter line. that adequate headroom Is maintained under beams and that there Is sufficient landing 0 F---3reeeme .1 r.--3°•em pe space at the bottom of the stairs. Z Z 0- go to COmplete Roof and'Exterior Walls(p.54). Z % x irx .%.. .x•. x Fatl°,w lmWv 1/8/2016 11:39 AM 53 54 ExteriorCoMPlete Roof and Complete Roof and Exterior 3. Install underlayment.Install 15#felt or equivalent undedayment that Is at Lay the underlayment of the center section on tap of the cement I least 10Inches wide continuously along the ridge.Fasten with 1'x 1°x 16 go Practice lip for optional metal flashing).Fold down the center sec galvanized staples.For Wind Zones 11 and III,also apply a six Inch wide strip of bl J/ dedayment on this cement. roofing cement on both sides of the ridge under the undedayment. i 3. Install shingles.Install missing row(s)of shingles,securing then 4. Install shingle cap.Starting at the opposite and of the home from the prevail- Installing a ridge vent.If a gle manufacturers Installation Instructions(refer to the shingle wr ing wind,install ridge cap shingles provided by the manufacturer or use 12"x ridge vent is to be installed, 12"shingles(36"shingles cut Into three equal pieces)(Figure 47).Install using follow the ridge vent manu- 1"x 1"x 16 go galvanized staples or 12 go 1-114"long,318"diameter head roof- facturer's Instructions pro- F.a.ry•In btm Ing nails spaced 5-5/8 inches from bottom edge and 1/2 inch to 1-112 inches in vided with the materiel or u.d.d.y.®s F.c Y-Imeded from both edges.Cover the exposed fasteners with tar or cement. as an addendum to this swmlea manual In lieu of under- ndal slWo-lo s layment over ridge line and shingle cap. sNngg�m lvl c.lderd.hdv gue.pb..s Figure 47.Shingle cut Into a we�i�m .. w d.dedu,e thirds una.d.rm.nt hg. 11213 D HINGE ROOF CLOSE-UP For homes with hinged roofs,complete roofing undedayment and shingles along the hinge line(Figure 48)as follows: 1. Install underlayment.Attach the underlayment to the roof deck with a mini- td.ml(optional)) of six-Inch wide strip of cement.If necessary,trim the underlayment to al- low the lowest shingle above the hinge of the roof to seal to the topmost shingle Method 2:Field-installed sheathing on the lower portion of the roof. 1. Install underlayment.Fold down the underlayment of the outer t Figure 48.Shingle Installa- and fold up the underlayment on the center section roof.Apply to Pion at hinge line underlayment a minimum six-Inch wide strip of roofing cement as sheathing joint.Cover with the shipped loose undedayment.Appl sM lnddl shynte.In Kwad Ame Per imam six-inch wide strip of roofing cement to the ship loose under The hehucgmeOnme s2.a Peaage tared on the upper roof sheathing joint. Shipped I.oex wm Th.Nero. p�teP 2. Install shingles.Install missing row(s)of shingles per the shingtt After Roof v In m.Ram.d Po.tbn, e er's installation Instructions(refer to the shingle wrapper). T,hn Th.6hing1.Und.&V h!To / 01n.talling metal AravTh,S"k,orm.-PP., -^ flashing.Install optional near e.al.nrosmlon1aTrowd / metal flashing over the roof F—,ytmbl.a s"Is Orm.l.—RC.r smdn decking before applying ew+gb• / �Hhp. roofing cement.Fold back Fbbdmbte mfl Fl.e4n.M.d UMadeyns �� the underlayment and fas- eN.gke �o.eo ten 30 go x 4"wide mini- Fou-Inemted mum galvanized metal with shednnp AepherR.o um.by n.nf—� A.pnelt Roeflle Cenvi roogn nails or 18 a x 1° Ban—me L. Bemoan Leymof g 9 undorbyrnentKnumum crown x 1-1/4"staples, Min,e•wb. a-wbe Space fasteners four Inch- ¢ F.cto,14— es D.C.or less near the Feemiy-Imbkd sN nb. 2. Install shingles,Install missing shingles according to the shingle menufactur- Z una.d.,em l.Overlap edge of the meta er's Instructions. the metal by at least two 1 2 COMPLETE TRIPLE-SECTION at joints. ECTION ROOFS z ZZ Complete roofing along triple-section home marriage lines according to one of the fol- lowing methods based on the construction of the home. D ~a J F..b y4.bt.d ahedhp Method 1:Manufacturer-Installed sheathing 5 1. Fill Gaps.The gap In the sheathing at the hinge may need to be filled.A gap _t 1-- Poebry4mbad Nda of 1/41nch or less needs not be filled.Gaps up to 1/2 Inch shall be filled by 2"x Z Z 32 gauge metal flashing over the length of the gap.Gaps up to 1-1/2 Inch shall p be filled with 8"x 30 gauge metal flashing over the gap.Fasten the flashing to 3 the sheathing using 1"x 1"x 16 gauge or 7116"x 1"x 16 gauge staples at 4 Z Inch along each edge of the flashing. D 1 STEP 2.COMPLETE TAG UNIT ROOF 2. Install underlayment.Fold down the undedayment of the outer section roof r If the home has a tag unit,complete roofing for this unit now.The process and apply a minimum six-inch wide strip of roofing cement to the sheathing. the roof is different for flush and offset roofs.Follow the Instructions In the 1/812016 11:39 AM 55 56 ExteriorM s and • section below. FLUSH ROOFS _ -----Shingles For flush roofs,complete roofing along the marriage line and at the valley line as follows Metal (see Figure 51): Fascia shingle undedayrrent Figure 51.Tag unit Rush Roof Decking Imtelt Flashing(Or Additlonal LeyerO( roofconnection Mein Unit 9--i—shingles Undedaymenl)Flat Over Joint Metal Flashing (Or Tap Course Roof;eddng Fastener Of Vinyl Siding) Tag unit Tag Unit Main Unit STEP 3.COMPLETE SIDE WALLS Siding necessary to complete the exterior has been provided with the home Marriage line siding manufacturers instructions(found on or with the packaging or as an Method 1:Install metal flashing(minimum 30 ga x minimum 6"wide)over the joint this manual)and to complete the exterior siding as follows: between the main roof dormer and tag unit roof.Secure the flashing to the roof 1. Remove shipping protection.Remove temporary shipping prote decks on both dormer and tag unit roofs with roofing nails or 16 ga staples with a walls. one Inch crown and long enough to fully penetrate the roof decks.Space fasteners maximum two Inches o.c.near the edge of the flashing.Overlap seams in the metal 2. Complete crossovers.Complete any crossover connections in I) by at least two Inches.After flashing Is complete,install shingles per shingle manu- cluding:electrical,stereo speaker,doorbell,telephone,and intern facturer Instructions and ridge cap/vent according to STEP 1.COMPLETE ROOF 3. Install siding.Fasten siding only at stud locations,avoiding elect (p.54). that are present in the walls. Method 2:Install two layers of roofing underlayment or equivalent over the joint be- 4. Install close-up of strips.If siding has been Installed on the end tween the main roof dormer and tag unit roof lapping the factory installed underlay- factory,fasten close-up strips securely along both edges and seal ment a minimum of six inches on each side and fully cemented at the laps.Install with a waterproof sealant. shingles per shingle manufacturer Instructions and ridge caplvent according to 5. Install trim.Install any matching trim required to complete the ins STEP 1.COMPLETE ROOF(p.54). 6, Seal penetrations.With a waterproof sealant,seal any penstrafl( Valley line Ing that may have been caused by temporary shipping protection. Along the bottom of the valley,shingles and one or more layers of roll roofing may need to be installed.If fastened to the roof at the factory,unroll the roofing,overlap the tag IMPORTANT:Where a pwch meets the exterior wall of an adjacent sects( roof and trim the roofing to the roof edge.If shipped loose,Install the roll roofing at the porch extends across multiple sections of a home,it may be necessary to valley,lapping it under the factory Installed roll roofing a minimum of 12 Inches and fully D er resistive materials,such as flashings or sealants,to protect exterior cov cement the roofing at the lap.Complete shingles at the valley either by Interweaving z resist the infiltration of air or water.Methods and materials used to be in a them or by trimming back approximately four inches from the valley line and fully ce- g with local building codes and meet the requirements of the LAHJ, menting the exposed shingle edges. t z OFFSET ROOFS If there Is a gap between the main unit dormer overhang and the tag unit roof,bend up D g the Inside comer trim at the dormer overhang and mein unit sidewall,fold up the factory Q installed flashing on the tag unit roof,fold the Inside comer trim back down,and secure D Into dormer wall with metal screws(Figure 62). :d z z n Z D r 1/8/2016 11:39 AM 57 58 Connect • Crossovers Crossovers Connect Crossovers Furnace,Alr This chapter covers crossover connections between units of multi-section homes,Including ducts and electrical,water, U Asecdoo Herder asection waste,gas,telephone,and cable TV connections. NI Flear • Heat T�Ow Ctllar Fkx Dud ® STEP 1.CONNECT DUCTS(p.59) Fiddd.-lnsta Fk lax support steps Duct V STEP 2.CONNECT ELECTRICAL CROSSOVERS(p.61) FumecelAr i ASerlm UJ HanAa asecfien V STEP 3.INSTALL ELECTRICAL BONDING(p.62) Fba I 0 STEP 4,CONNECT WATER LINES(p.63) Heel Tap-Out Cellar 0 STEP S.CONNECT DRAIN,WASTE,AND VENT LINES(p.63) Field-Installed PlaDud Flea Duct Sup l •V•-Box Under Fumam e STEP 6.CONNECT GAS LINES(p.65) Fwnaaelk { .',STEP 7.CONNECT TELEPHONE AND CABLE TV WIRING(p.65) U Asxuan " esecuan csoauen ba STEP 1.CONNECT DUCTS ""` TaliThere are three main types of duct crossover connections.Based on the location of the ` Fkkarstarad Fkxaxf •vas:under Fumam Fkx Wasu duct,follow the installation steps on the page indicated below. 41, A • Under the floor(p.59). qualified personnel.Use • In the roof cavil See supplemental details). only qualified personnel to Fwred Atr y( ) A Sectlm a 9sden Hmdlm C aedlon • In floor,through-the-rim Joist(See supplemental details). make crossover eonnec- flons.Consult the LAHJ for To prevent air leakage,seal all ductwork connections,Including duct collars using one licensing or any additional or more of the following materials: crossover connection re- THep9`w�Cdk • Galvanized metal straps In combination with galvanized sheet metal screws. quirements. ned4n%lyd Flex Duct When. r4owcdkr YsmundaFwnaw FlnDuct& • For rigid air ducts and connectors,tape and mastics listed to UL 181A. Access for service. r�mneaa ever possible maintain ac- • For flexible air ducts and connectors,tape and mastics listed to UL 181 B. cess to connection areas For under floor flexible crossover ducts follow the steps below. UNDER FLOOR FLEXIBLE CROSSOVER DUCT for future maintenance. 1. Locate collars.Locate the metal crossover collars(or V-box)con When heating or cooling equipment Is Installed In the home,the flexible crossover duct Make tight connections. the main trunk duct(or furnace)under the home and remove teml is provided by the manufacturer.In all cases the crossover duct must be listed for exte- Permanent,durable,and, ping protection. dor use. The duct must be suspended or supported above the ground by straps or tight crossover duct con- 2. Install Inner duct.Slide the crossover duct inner liner over the Or, ections are critical to the other means that ere spaced at a maximum distance not to exceed 4'-0'ores other= nIarN-box as far as it will go.Temporarily fasten the Inner liner In p Was permitted by the Installation instructions. home.proper Leakyperformance of the ducts can re- duct tape.Install a large nylon zip4le over the Inner liner Just abov around the crossover collarN-box.Apply mastic completely over I There are four common configurations of under floor crossover ducts depending on the sult In severe moisture _1 and collarN-box(alternately,the mastic may be applied to the toll number of home sections and the furnace/air handler location.See Table 25 to locate problems in the home,dis- < prior to sliding the duct Inner liner over it).the appropriate figure. comfort from rooms not re- z ceiving the proper amount ¢ 3. Conned duct Insulation.Bring the duct insulation up over the zil TABLE 25.UNDER FLOOR DUCT CONFIGURATIONS of conditioned air,and high above the home's bottom board into the floor cavity,Temporarily r .e uVilty,bills from wasted 2 z against the base of the trunk ducal-box. Furnace over trunk duct See Figure 63 See Figure�5heating and/or cooling en- :n O 4. Pull duct wrap.Pull the crossover duct outer wrap over the top of 1 F- ,. ergy, p g lion and temporally secure it to the trunk duc1N-box with duct tap Furnace offset from trunk duct See Figure 54 See Figure 56 C a 5. Install zip-tie.Feel for the nylon zlp-be that was Installed over the Place another nylon zip-lie Just under the first one to permanently z crossover duct Insulation and cuter wrap, z 1 6. Trim duct.Trim the crossover duct to length such that the Installs F �(/(� be straight with no kinks or unnecessary bends. rl I 7. Connect other end.Follow the same procedure(steps 1 through p nect the opposite end of the crossover duct and any other crosso% 8. Seal Joints.Seal the Joints between the bottom board and the cro 1/812016 11:39 AM 59 60 Connect • Crossovers Crossovers with foam or mastic, ants and tapes only to sur- bumped-out access panel,drill maximum one4nch diameter hole( 9. Support duct.Support the crossover ducts above the round using nylon or faces that are dry and free PP PP () 9 9 y of dust,dirt,and grease, up the rim joists on each home section,making sure the holes elic galvanized metal straps and saddles or by other means that are spaced every the wire through the hole. 48 Inches o.c.or less.Choose straps at least 1/2 inch wider than the spacing Avoid ground contact.In- ofwires. wiresjunction the metal spirals encasing the crossover duct.Install the straps so they stalled crossover ducts cannot slip between spirals.Secure metal straps with galvanized screws. must not be in contact with scribed above. the ground. 4. Secure wires.Secure wires with staples to adjacent joists or stud Unobstructed airflow.Ex- eight Inches of junction box or snap-connector(s). cess length,kinks and S. Install smash plates.For notched perimeter joists,install steel w bends in the crossover duct tars(smash plates). will restrict airflow and de- 6. Seal bottom board.Replace Insulation and re-Install access pans grade the home's HVAC seal the bottom board with tape specially made for that purpose(r system performance. vided).The access panel(s)may be temporarily installed near the location or shipped loose with the home. STEP 2.CONNECT ELECTRICAL CROSSOVERS a� Mufti-section homes may have one or more electrical crossovers located in the wall(s) P and/or flocr(s)along the marriage line(s). • �� r JOINING WIRES Use qualified electricians. Two types of connections may be present at these locations—snap connectors and All electrical work must be -- - unction boxes.Identify matching circuits If multiple circuits exist at a single crossover performed by a qualified j fI/ 9 P 9 IIJ.Ien Are Wched,Stool PwledomM.y location.These will be coded for Identification.Connect snap connectors according to electrician and comply with �unakn eoao — SoPt M dY ro,me woe the connector manufacturer's installation instructions,including fastener requirements. the 2005 NEC, snapro",meor Connect w res in Junction boxes as follows(Figure 57): Disconnect power.Turn off A®..- power to the home before vmwx Pull wires.Pull circuit wires Into the junction box,sliding them through a romex con- making connections. nector and secure snugly.(Figure 57)Do not over-tighten. Proper use of GFCI clr- 1. Strip wires.Remove the outer jacket that holds the circuit wires together cults.Ensure Ground Fault providing a minimum of four Inches of free wire in the box. Circuit Interrupted(GFCI) r— 2. Connect wires.Connect wires together matching like colors,using appropri- circuits are connected to ately sized wire nuts.Use the ground wire to ground the junction box and/or the proper GFCI protected cover plate(s),If metal.Junction boxes may contain single or multiple 15 or circuits from the power -I ; 20-amp circuits,or a single 240-volt appliance circuit. supply. _ 3. Replace cover.Reposition the junction box cover and secure using machine (not sheet metal)screws. Figure 57.Types of/uncf/on box wiring connections I ntlb�.°9.pmm<tr vcnn�•are �� (tllld Pmddid Pedi Bann o.Pm® en�am aw•.*dwmo® em".I w", STEP 3.INSTALL ELECTRICAL BONDING RW ate• � Irk -_� Apfw•dP6t w" ,rryt� - om e � • �WHh� R To ensure all metal parts are effectively grounded,elecfrically bond all cha er as follows(Figure 60): c orow 1. Find lugs.Locate soldedess ground lugs on the front or rear frerr t mw 1O or headers. oQ�.P.rT p• ° p, 2. Attach wire.Uncoil the banding wire(#8 minimum bare copper w u..dRYpmi �1/}f Z one side of the home and connect it to the lug provided on the opl a�euaaramo oay) c�+dwardmaemmo.yl •ma wr Mn"emnoMl 2 Tighten the set screw firmly on the wire and repeat for any additio aFtgle 15 or 4a ANP Clout Double to or 2)ANP Ckuits 24sv Applbeoe am t Z Z sections.(Bonding Wire may be shipped loose) n FLOOR CROSSOVER ,L _ D g M°mege u° When making electrical connectlon(s)in the Boor,use the wiring method described be- low �./��E�� - Q : • --1 1. Access wires.Find the crossover location(s)and remove the access panel(s) ' Using snap connectors.Do Z Z If attached.If access panel openings are not provided,cut through bottom not use oversized nails or 9 21 board to expose the wiring(Figure 58). drive nail heads Into snap D 2. Route wires.Pass the wires through predrilled holes or notches In the rim connectors.Some con- z Rearom'W. we Mln.capper soae bee dug sets joist or if there is a single bumped-out access panel as in Figure 59,then un- vectors are designed far D MaMeoe tt a emu M w e r erar mm�e der the rim joists.If holes or notches have not been provided and there is no one-time use only- new connector must be used ed If 1/8/2016 11:39 AM 61 62 Connect Connect Crossovers Crossovers STEP 4.CONNECT WATER LINES Conned water lines Inside the floor through access panels or below the bottom board i as follows: WATER LINES ACCESSED THROUGH PANELS Applying cement Follow Corn inn 1. Remove panels.Remove access panels from each home section. cement manufacturers in- Draw sip- oadpas Cow 0 0wu sWctionswth respect to 2. Remove caps.Remove shipping caps from ends of water lines. ua sent application and drying time. corer ree 3. Pull lines.Pull water lines through hales In rim Joist.If holes are not provided, Allow cement to fully cure sh shpa ww drill round holes in the center of the rim Joist,with a maximum diameter of one before filling pipes with wa- third the rim joist depth(Figure 81). ten oa m ensrum 4. Connect pipes.Conned threaded water lines using provided connector fit- m11erum® tings(do not use lubricants or sealants).Connect non-threaded water tines f using provided fittings and cement,inserting pipe to full depth of each fitting(a i� J roso s°sepe` short connector pipe may be provided to bridge the gap between sections). Choosing cement type. 3. Test.Conduct a two-part leakage test on the completed drainage 5. Test.Test connections for leaks. Use the proper cement for follows: 6. Seal floor.Securely replace Insulation and access panels. water lines as It may differ • Part 1.With all fixtures connected,and all tub and shower dr from the cement used for fill the system with water to the rim of the tollet bowl through r the DWV system. lure.Release all trapped air,replace tub and shower plugs,b Figure 61.Waterline cross- lures,and allow the system to stand at least 15 minutes.Cho over with access panels Drain the system.If leaks are found,repair and retest. • Part 2.Plug all fixtures,oinks,showers,and tubs and fill wfth lease the water In all fixtures simultaneously to obtain the me sible drain piping flow.As water Is draining,check for leaks.It found,repair and retest 0 0 o t o 4. Connect to outlet.Connect the main drain line to the site sewedt up,using an approved elastomeric coupling(Figure 64). STEP 5.CONNECT DRAIN,WASTE,AND VENT LINES Complete portions of the drain,waste,and vent(DWV)system that ere below the floor , awn as follows: . J Floor °iapO1M1 1. Remove caps.Remove shipping covers from pipes extending through the providing required clear- Examples of 4%M bottom board;Inspect pipes and fittings and clean them of dirt,obstructions, connection P o •bin P P P 9 ances.Provide the drain pe end burro. outlet with a minimum end Fittings(Not �o°�°—IL o w 2. Assemble pipes.Using the drain schematic drawing provided with the home, clearance of three Inches in suppled by the o Manulacmmr) a begin assembling the DWV system starting at the location farthest from the any direction from all parts support stmp at sewerlseptic connection and working towards the outlet,fastening the pipe of the structure or any ap FM -.in of with cement or adjustable screw-clamp connectors,if provided(Figure 62). purtenances and with not Feet on center As the system Is assembled,support the piping with temporary blocking.Un- less than 18 Inches unre- Cep end Chain less otherwise noted on the schematic diagram,provide a minimum 1/4 Inch striated clearance directly In Approved ;a per foot slope towards the sewer/septic using a plumber's level.Where a front of the drain outlet coupler T, slope of 1/4 inch per foot cannot be maintained,use a minimum slope of 1/8 Provide any cleanouts with site sewer Inch per foot and Install of a full-size clean-out at the uppermost point of the a minimum clearance of 12 Hook Up run(Figure 63). inches directly in front of its opening. 4 5. Install supports.Install permanent drain line supports at a distan c«nam r Figure 62.Drain crossover z feet o.c.or less(see Figure 82,Figure 84,Figure 65 and Figure tPro.ia.elmam� connection z z a r D g asueponswo� D i— I)t�Ppe d 0 O Z vain�wra orocdm ofvw«•m sap. orarm•rnowand sbpo Z pp1 Icmm<1nP6N ouWn9 p � I wana•p. onnaCbn Py Z ca,vb. D 1/8/2016 11:39 AM 63 64 Ir rn w � Gr • - Interior s ;1)a191"Cvxa",MA! Figure 66.DWVplpe Complete the Interior optional support method % f,1,.:x3 Lu•nha This chapter covers the completion of the home's Interior finishes Including a+:u•i>,.ns;'w.i—. � collaneousltems. Nn.1�LunhGr� � J • • • •- t, +' ;.>n tarn, a: `` ` Protect pipes from freez- NMlh Inh Flirt col..�-"( '"sue .� Ing.If the home is to be left a STEP 1.ALIGN MARRIAGE WALLS(p.66) unheated cold weather, pour antifrea eze solution Into STEP 2.FINISH GYPSUM BOARD 68 .2 nr t77 1 /' all drain treys,including sinks,tubs,and toilets.Be t.r! 7d31"ou: I., I STEP 3.COMPLETE WALL AND CEILING FINISHES(p.66) xalis=an End �� sure that the antifreeze Is d - Cn /rr safe for the fixtures and P- 0 STEP 4.COMPLETE CARPET(p.67) �- - 715ta lc;or �itY / I i Eoth 9:dc I Installing quick disconnect I STEP S.COMPLETE TRIM(p.67) �•'••�` t till'.crAtur.Slap J fittings.Do not use tools, j lubricants,or sealants with O STEP 6.INSTALL SHIP LOOSE ITEMS(p.67) • ,. quick disconnect fittings. —Equal i'tz Gas test precautions.Do 6. Insulate.Replace all insulation, not connect to gas service STEP 1.ALIGN MARRIAGE WALLS until tests described In Align and secure walls at marriage line openings as follows: STEP 6.CONNECT GAS LINES Connect Utilities have been 1. Align walls.Align walls and clamp in place. The gas crossover connection may use quick disconnect fittings or threaded canned- successfully completed. 2. Fasten walls.Secure clamped walls together with metal straps or ors.Find the connection location below the floor at the marriage line and gather the screws so they do not move when the clamps are removed.Insert connectors(they may be shipped loose If not present under the home). wedges in gaps between walls,and glue and screw to create a Ug For quick disconnect fittings(Figure 67),remove any dust caps and then with one lion. hand,pull back on the quick disconnect device,snap It over the quick disconnect adap- 3. FIII gaps.FIII any remaining gaps with wood or sheathing materia for and release it to complete the connection. Does For threaded connectors(Figure 88),remove the black cap and nipple(or any other plugs,such as a black Iron plug)from both the supply and receiving sides and screw the connector onto the supply and return pipes as necessary, •• • BOARD, Check for leaks before connecting to gas service(see Connect Utilities,STEP 3. IN, NO,•'to STEP 3.COMPLETE CONNECT GAS SERVICE,p.86). amd,aNmmar Figure 67.Gas crossover Mm.FltdM Fin, P.pmn iw.e.a smwsvmre with quick disconnect fittlngs STEP 2.FINISH GYPSUM BOARD I've . Finish all unfinished gypsum board walls and ceilings as follows: QW.0...e Imm w. Figure 69.Gas crossover F-6.pews with threaded connectors 1. Install panels.Install ship loose gypsum panels using a 1/4 Inch i Mlnmlm m e+m tan, U.— bead of adhesive on all framing members and minimum 1-1/21nd Mm.ap wall screws,nails,or staples at six Inches o.c.along panel edges F—W fop .� Inches o.o.in the field Into framing members. FB.NN Cep Ot 117'�.,_t J 2. Mud seams.Mud and tape all seams and comers,filling all faster Z sions.Follow mud manufacturer's directions. Installing wiring.When In. Q �M81.cop stalling telephone and ca- i 2 3, Paint.When the final coat of mud Is dry,prime and paint all unfini otmuw eicn n.w —bon of 0.e Aw Z � sum board to match existing paint color and finish texture• damage television wires,do not F Uzi damage electrical wires, O i � STEP7.CONNECTTELEPHONEANDCABLETVWIRING plumbing lines,or ducts. P g a•- • - pre-finished • - panels Serious personal Injury or marria•. Install telephone and cable television wiring In accordance with the requirements of the death could result from > F LAHJ,the NEC,and NFPA No,70-2006.When making crossover connections or In- damage to electrical wires, Z •• • COMPLETE stalling telephone or cable television wires,do not run them In the same raceway as,or Z In dose proximity to,high voltage electrical conductors or cables. 9 D 111-4o s• s o Wires should only be Installed by trained professionals. Z 00- go to Complete,the,Interior(p.66) D STEP 3.COMPLETE WALL AND CEILING FINISHES 1/8/2016 11:39 AM 65 66 Com a lete We 1,1111�tal(S10bilizing, ,inted0 Install interior ship loose wall and/or ceiling panels using a 1/4 inch diameter bead of polyvinyl acetate(PVA)adhesive on all framing members and fasten with minimum 1- Install Stabilizing Systems 1/2 inch long staples or nails at six inches o.c.along panel edges and 12 inches o.c.in the field into framing members. This chapter covers the design and Installation of the stabilizing system wh ward forces caused by wind.The system covered here uses earth(or grou STEP 4.COMPLETE CARPET home's longitudinal steel beams and/or exterior walls.Stabilizer plates mat Install and seam ship loose or rolled carpet as follows: r s moving laterally In the ground.An anchor,strap,and stabilizer plate(If use. 1. Prepare floor.Clean the floor of all dirt and debris and smooth the floor deck • /�/ Anchors can also be mounted In concrete footings when there Is enough cr at the marriage line seams as necessary to ensure a level and smooth sur- Installing carpet Only ex- upward forces.This type of system Is not covered In this manual. face• perienced carpet Installers 2. Ley pad.Ley down the carpet pad,If provided. should install carpet.Fail Follow the Steps- •• 3. Stretch carpet.Ensuring all carpet"grain"runs In the same direction,fit and ure to follow the carpet secure the carpet using a power carpet stretcher.Stretch the carpet u manufacturer's directions Pe rP P to the I seam and tack It down temporarily until the carpet Is seamed. may void the carpet war- STEP 1.DETERMINE ANCHOR LOCATIONS(p.68)i i 4. Buffer carpet."Butter"with carpet adhesive the edges of the carpet along the ranty. V STEP 2.DETERMINE TIE-DOWN CONFIGURATION(p.74) seam. 5. Seam carpet.Place heat bond tape under the seam with the glue side next to ® STEP 3.SELECT ANCHORS(p.74) the carpet and apply heat from a seaming Iron to the top of the seam,press- Ing the carpet Into the glue. STEP 4.INSTALL ANCHORS 75 Stagger seams. ® (P ) S. Keep scraps.Retain reasonable size carpet scraps to protect carpet and Stagger all seams.For ex- l ; flooring during move-in, ample,locate the carpet j STEP 5.INSTALL STRAPS(p.76) '.j pad seam three Inches to STEP 5.COMPLETE TRIM left of marriage line and the STEP 6.TIGHTEN AND ADJUST STRAPS(p.79) Using fine gauge wire staples or pin nails,install ship loose molding and wainscot pan- carpet seam three Inches to eling to finish trimming out ceilings,marriage line walls,front and rear end walls,and right of marriage line. passageway doors where necessary. STEP 1.DETERMINE ANCHOR LOCATIONS Create a sketch of the home plan showing the exterior walls,marriage linel STEP 6.INSTALL SHIP LOOSE ITEMS and frame I-beams(this will be similar to the base sketch created In Prepai Remove all strapping,blocking,and packaging from appliances,windows,and doors, page 19). Install any drapes,minl.blinds,mirrors,door stops,closet shelves,and hardware per See Table 26 for a list of anchor locations,types,and where they are requl the product manufacturer's Installation Instructions. where the requirements are provided are noted In the last column. Proceed based on o o. •n type,. As each anchor location is determined,mark It on the sketch,noting import slons such as spacing between anchors.When complete,this will be the h- •• • down plan(Figure 69 and Figure 70). 0- Lbao.b.'eadrig perin�eter wall,••to :r TABLE 26.ANCHOR LOCATION TYPES Frame ( Yes I Yes VeNcal� - No' Frame No Yes Vertical No No a _j Vertical Sometimes Yes 4 Z VeNcal• Sometimes -Yes Z < Frame Yes Yes s z Cn Vertical - .No. - .Yes j r 4 Vertical Sometimes Yes Z Z Frame :Yes Yea 3 r Ztl Vertical Sometimes Yes D a r 1/812016 11:39 AM 67 68 StabilizingInstall . • Svstems Systems 'Connect any factory-Installed sidewall do-down straps to aground anchor regardless of the wind determine the location of TABLE 27.WIND ZONE I SIDEWALL FRAME ANCHOR MAXIMUM SP zone In which the home Is placed. underground utilities, 2lnstall interior shear wall anchors and marriage line anchrom prior to moving the home over the especially electrical cables top of the anchor locations and then return to Set the Home or Complete Multi-Section Set re- or gas pipes,may result In -eiblrom usp •' '' ' spectively. serious personal Injury or • Figure 69 and Figure 70 Illustrate typical anchor locations for a double-section home death. in Wind Zone I and Wind Zones II and III respectively. Upm25• - Sidewall Frame Figure 69.Typical anchor omss - Tie-Down I-Beam locations for adoublesecflon UpW25 - home In Wlnd Zone I Urto57 Up to 25' — 25'loap 49'to66' ______________________________________________ Up to 25* • zs•wUe• - ---------------------------------- ----------' u•to 6r Marriage up toes tear• Line 25•ro4e• _ 15•a� --------- ---------- ---------- ---------- aa•toer 14'ar• up to 25' ____ _, 15'al'• ' 26•to 40' 13•ar• - Key Ue•toe7• 12•a• i_—Anc her Head 0 VerticalTle- Upto2p 126 Strap Down 2s•to+a• 4e•to6r ta•a•• �ndtN:o4`.+ar:Ccl Figure 70.Typical anchor Up to2r Vr-r Tit,oum, locations for a doublssecllon 25'to ae• 13•a•• home In Mind Zones 11 or III 42•ioe6• "12'-T' ' ayMaN \ �V%r j.,d Up to 25• 151•6' of pnlR ?i900tYn -, 1. � zrroas• tp-o• -T-O----- - T- ----�--- ----- ---- o- - jig Upto26• ,5.-0.—� Up b 25' 4'-0 25•to er 13W -- --------------------------------- o-__ !uxrlaa Up to BT 13'-0'• tua•rY.n7 ti�.1 'LS�.,� Up to 2p t7•-e• .�JF - 4" 25•io 4V 12••6• .1 _. ���•, - � Ftlett.y!!uue � �~° (//,l(, vptozs a•-o• Za toaa• 104• .. fJomn 33105 t.era r� Indicates a configuration that will require an additional strap connectec mv tJ i�I! n S. ""CHANW�' ` / hRr'IttrRa CnraMrru:e ,1 z .neanao5vercCAI ne voan � • r}�` � _Lebrigl i pars Tie :w Q Cu 1 Tie Gpnns v;Fa!Gsne � SIDEWALL FRAME ANCHORS .. z z Use Table 27,Table 28 and Table 29 to determine the spacing between anchors for S V� D O Wind Zones I,II,and III,respectively.Spacing requirements will vary depending on the type of home(single or multi-section),the slope o1 the roof,the width of the floor for Maximum spacing requirements. r- r- g The LAHJ may have anchor D 2 each section,the sidewell height,I-beam spacing,and the height from the ground to F spacing requirements that the strap attachment point.Determine the values for the home.Using the table for the supersede the values provided in z appropriate wind zone,determine the column and row that corresponds to the charao• this manual. z Ri teristics of the home.The value on the tables is the maximum distance between an- Minimum spacing requirements, D � chars. Keep in mind that sidewall frame fie-downs must be located no more than two see anchor manufacturers feet from each and wall. Installation instructions.Typically C min.spacing equals length of anchor(cone of influence). 9/28/2015 11:23 AM 69 70 ■ < install . • • Install Sf�biljzjng Systems 'Systems TABLE 2B.WIND ZONE II SIDEWALL FRAME ANCHOR MAXIMUM SPACINGRoof slope rnaxiniuni 4.35/12 TABLE 29.WIND ZONE III SIDEWALL FRAME ANCHOR MAXIMUM SP oil (20 ddegrees) Flo.r�idth height spacing it upm2r •e-6•• ac• U•to25- z6 tote _ ae mer _ r-0• a'-6•• 46 msr up to ts• s,-0.. 4,-0., Up to 2s• aa•to sr Upto26• - .. r-0" M•• Up to25' _ or F"5* .. p-0.."_ W; tip to - UPro2S 4 5.-0.. g.,g.. 4W Upm2S 23'm6' g.-g.. ,$.. 25'b4S d D- 12 f8.to87' B..g.. 7..g.. 4,,g.. 4Sto Br 4b'• - upb25• 4-B'• _ r�•• as• 26•b46'upm26• 'W 4--W ?S'to b' 4�.. ..T�• - - a4r .. __ 3 `-- 46•toer 4_g.• - g,•g.. 4.-0.. W- _ _7.T. _ Up to 25• ES 5-0. 3-0. tn6T Upto25 3'-0'4'-0•• m . 25' de' S-8'• 5-P• - d'-0'• _"14 106 25•md9• 1-1. 46' 7' S-g.. .6.. 4rm Br " Vpm2S g•-g. 8-0• Upm2S 4�_g.. 4'-0•25'm46' 4,-B"• 7.-0.. ... 3�• 25,b48• 3�• ..48'm 6r p.B'• .B-6•• _ 3$•• a8'bBr Upm26' 8'$` s'4r 'rie•2S1.46' Vpm2S 3 5d ib g.-0.- g:-0. - - 25'to46' d8'm8T 6.-0.. g,-0.. 4•B.. d8-toot _ 4� •_ 5d 5'$ Upm26' 4.-B. Upm26' • 26'to48' 4'-0' _ 3'-0• 3'6• 2S to 25' d$' Up to 26• r4r _ Up In 25- .,48to6i'. _ 26•m4w _ 4,•B• Upb25 54r 46•to er _. - 25b48• av 46•to B7' q,{p - - .. 46'to BT 'Indicates a contigureUon that will require an additional strap connected to the far beam(see F19ure 72). •Indicates a configuration that will require an additional stra6-0p connected Q 7 Q Z Z CU�,IOFESSIO�y\ D O A. r 3 fc4 >4 y* 33105 * z z ` .rIt:.NiG��..:r 2 /i41 F ChI,:" D r 9/2W015 11:23 AM 71 72 c � . e e e e System-sl Systems SIDEWALL VERTICAL ANCHORS Homes designed for Wind Zones II and III also require vertical tie-downs along the sldewalls.The vertical tie-down anchor straps(or brackets for connecting to the home) are factory installed and indicate the locations.Vertical and frame sidewall tie-downs may connect to one double-headed anchor or each to its own dedicated anchor. LBb bd o-_ c-f Any factory-installed sldewall tiadown straps must be connected to a ground anchor sbgia BBmor N7tMh shop. regardless of the wind zone in which the home Is placed. oro oombmampa Barba svVB Bum b° ilaf.1o.dmWNbual END WALL FRAME ANCHORS '^8a° —h— End wall frame Oe-downs are especially Important for homes that are wider and have higher roof pitches because those features increase the surface area exposed to wind No B ablg:er r loads at the ends of the home.Use Table 30 to determine the number of and wall for g d B frame anchors required on each end of the home. G-seep BI°Bg Note:Wind Zone 1 end wall frame anchors are not requiredin the following conditions: • Single-section homes over 27 feet in length. Labeled G-1 Straps Labeled G-2 Straps • Multi-section homes where all sections are over 35 feet in length.When one section is less than 35 feet in length,only that section requires anchors. TAG UNIT ANCHORS TABLE 30.END WALL FRAME ANCHORS REQUIRED ON EACH END OF THE HOME See supplemental pages If this particular home has a tag that requires frar wind zone 11 Wh,d Z.n.III anchors. PORCH POST ANCHORS See supplemental pages if this particular home has a porch that requires g OFFSET UNIT ANCHORS 4.35/12 None 2 3 3 3 3 3 3 4 See supplemental pages if this particular home has an offset that requires 4.35/12 1 None I 3 " s j 3 ' 3 a a-� a STEP 2.DETERMINE TIE-DOWN CONFIGURATION There are two primary to-down configurations:the near beam and the far I 4.35112 None 5 5 6 — 5 1 6 7 suds.If the anchor spacing selected in the appropriate anchor table(Table -6112 None 5 I- 6 - 7 Tj T 6 1 7 1 --.8 - — or Table 29)has an asterisk(')then use the far beam method.Otherwise, 4,35112 None 5 6 7 — 1 6 7 6 — beam method(Figure 72).Each method varies by wind zone as describec 6112 None 6 I 7 8 — 7 1 8 NA- — • Near beam method.For all Wind Zones,connect an anchor stra anchor head to the beam closest to the anchor.In addition for WI and III,connect a vertical strap from the sldewall of the home to t head using a double-headed anchor. SHEARWALL ANCHORS • Far beam method. For Wind Zone I connect anchor straps from Shearwalls are sections of Interior or exterior wall engineered to withstand head(using a double-headed anchor)to both of the home's main racking forces. Some Interior shearwalls require anchoring to resist these beams.For Wind Zones 11 and III connect one anchor strap from forces.The location of any shearwall requiring a ground anchor will be clearly head(using a double-headed anchor)to the home's far beam an Indicated by the presence of a coiled G-strap.Straps may be located along the sldewall of the home. sldewall or the mating llne. Each shearwall fie-down requires a dedicated anchor.Do not connect shearwall Us- downs to the same anchor as frame or other tie-downs. Neal eo.n Pmv Fmmo Tl•Lam F- N°ar Been (Omit In Yhd Q TI•ovn Zm.11 nd oil MARRIAGE LINE VERTICAL ANCHORS 7 vwce sn•r r,, venm.I SBe� In Wind Zones 11 and III(and sometimes in Wind Zone 1),anchors are required Q zoan�mae Bmway.e nabe.aB+d Bay. along the marriage line to resist uplift forces.The location of any ground an- < oar mcp II ndm char will be clearly Indicated by the presence of a Gcoiid strap.The straps Z z may be classified as G-1(two straps sharing one anchor)or G-2(two straps rn O sudoz.Pm eunov.rm each with Its own anchor).See Figure 71 for the two configurations. `J�p OrE�s+o1 n g Bea.w (� A G F� r Ground Naiu ~r°° c, > H A °z rn STEP 3.SELECT ANCHORS 3a1as * j Use the torque probe results from Prepare the Site,STEP 6.DETERMINI 9 ANCHOR HOLDING CAPACITY(p.17)and the anchor manufacturer Inst select the z cT+ram Al t ppr` D 1 stee and I.e.apprroov d)for the oil class.h of anchor o use. e Installed ground anchor sl muste lid( r 9/28/2015 11:23 AM 73 74 e StabilizingInstall ilizing . . Systems Systems Make sure the anchor is of sufficient length such that the top of the helix is below the frost line.Select a shaft diameter sufficient to resist excessive torsion,'ringofr(when Stabilizer Plate Configuration the helix or anchor head separates from shaft)or shaft splitting.Consult the anchor Stabilizer plate configurations(Figure 74)are suitable for homes in all win. supplier for guidance. chore may be Installed after the home Is set.A stabilizer device,typically a Review all of STEP 4.INSTALL ANCHORS(p.75)and STEP 5.INSTALL STRAPS metal plate,is used prevent the top the anchor from slicing through th (p.76)before making final anchor selections to determine when single-headed vs, the load Is applied.Stabilizer plates aree available In variety of widths.Ch double-headed anchors should be used.Follow the specifications In Table 30 when widest plate that can be driven into the soli to maximize resistance to movr selecting stabllbJng system components. LAHJ may have stabilizer plate requirements. Install anchors with stabilizer plates as follows: TABLE 31.ANCHOR SYSTEM MATERIALS SPECIFICATIONS 1. Locate anchor. Select a location for the anchor under the home C..p.n.nt Specification six inches of the exterior wall(Figure 75).Avoid locations that wi Anchors must be tested and listed to resists minimum ultimate load of 4.725 Ibs and a minimum allowable with skirting. working load of 3,150 Ibs or ultimate and corresponding working load limited by soil conditions and anchor terigth.The working load is the maximum load the designer can,use. Straps must be minimum 1-1/4"x D.035'zinc-coated(0.30 oz per sq it)steel strapping conforming to = Straps ASTM D3953.97,Type 1,Grade 1,Finish B with a minimum allowable working load capacity of 3,150 lbs and a minimum ultimate load of 4.725 Ibs.Slit or cut edges of 7Jncc0ated strapping do not need to be zinc coated. The size and type of stabilizer plate,If required by the ground anchor manufacturer,will be specified In the Stabilinr plates anchor manufacturer's instructions.Alternatively,ASS stabilizer plates may be used when listed and certi- e• fled for such use. me Mcb a,-- — STEP 4.INSTALL ANCHORS °hb Before beginning anchor Installation,check for obstructions under the home such as T piers and frame members that may interfere with the to down strapping.Check with utility companies to determine the location of underground utilities,such as electrical and phone lines,and water,sewer,and gas pipes that may be buried in potential Grading area 2. Install anchor.To assure that the anchor attachment point will at anchor locations.Also check for homeowner-installed wires and pipes,such as those around anchors.Anchor stabilizer plate,start the anchor Insertion approximately 12 Inches connecting exterior lighting or sheds to the home.These must also be avoided. heads should not rest In the desired location If using a 46 inch long anchor,or approximatk FRAME ANCHORS sunken spots.Grade the if using a 60 Inch long anchor.Install the anchor at about 16 degn Frame anchors can be installed in two ways,in-line end against a stabilizer plate.The ground so that water does cal,with the head tilted away from the home.Install the anchor to two methods are discussed below: not collect around anchor approximately one half Its length. heads but runs awe from o e ground tc Y 3. Drive stabilizer late.Drive the stabilizer late Into the n P P 9 In-Line Configuration the anchor and out from at the point determined in Ste 1. P P The,In-lieachorsaconfiguration(Figure der for homes can where used in Wind Zone I only.led under the home.s. not 4. Complete anchor Installation.Screw the anchor the rest of the catty,in-line anchors are used under high homes where the anchors can be installed bury anchor heads. from under the home after the home Is set.In-Ilne anchors can also be installed before ground.The finished anchor must be installed to Its full depth. the home Is set;however,precisely aligning the anchor with the home both vertically and horizontally Is difficult.Using swivel connectors for the strap to beam connection VERTICAL ANCHORS can provide some horizontal flexibility. To Install vertical anchors,screw the anchor Into the ground directly under To Install in-line frame anchors,drive the anchor into the round at an angle and lace- or no more than one Inch above grade. tlon such that a straight line can be drawn from the Up of the anchor through the anchor head and to the connection point on the 1-beam(Figure 74). STEP 5.INSTALL STRAPS Figure 73.in-line anchor Follow the Instructions below to connect straps from the home to sidewall i configuration Q wall frame and vertical anchors. Figure 74.Sfabillzerplate Z Always protect straps at sharp comers Including around I-beams with recilt Mah "eh—configuration < Bleewetl F,ene other methods(Figure 76).Radius clips may be fabricated from 26ga(min e_ 6ldawaflka a— Z Inch wide galvanized steel strap formed to fit around comers. Th43—strap Ira Tb-0wm SOW Pi. kn O amen o g y abWbiOi..P Plekb 5'. A, a ¢ 1�\Q ton Iwdei e � F 0rec Prates Toeertl .. Z eetbn+---= 4eponl %k .33106 -' Z sae°iaw.PPee seam D 4Vsa fiCHANt, c 9/28/2015 11:23 AM 75 76 . u e Install , e • • • Systems Systems SPLICING STRAPS Splicing may be required when a pre-cut strap Is of insufficient length.Splices in Us- down straps are not permitted In a configuration.Overlap straps by 12 inches,ap- plying one splice dip from above and the other from below,use a crimping tool to tight- ly seal the splice dips(Figure 77).Do not run any portion of the splice through an an- chor head bait. Figure 77.Pe-down strap splice Apply Splice Clips In Direction I Olnaert the tenslmbdt MOUe qO Pg.the strap thnaph ths.Wd of Arrows .IW, emhor head and bxeyonah shank of the tonsimbraatdbeed the has.4 up to 9T. Strap T 'Y Splice Approx 12' Not NO Permitted SIDEWALL FRAME ANCHORS O Ones tensioned to the point thet (T one-NdytembiedoWthe emolercbckwisemistence square neck of thebobvBh he Install straps to sidewail frame anchors as follows: eppoors,sse a Sr open end square nceaa In ftard sad wrench to hold lhesci—neck are tbhten tte hmc nW.This vdll 1. Connect strap to home.Connect one end of the strap to the home connec- while mpositloningths 7611E draw the two logethera dlooktho ton point using approved buckles or dips(swivel or hook clip preferred). tensioning wmechtocadr a eysw.into Mai pos mr. tensioning.Repeatesmquirai Figure 78.Strap to beam connection f Tc , Aono~ ! � 3. Pretension anchor.For anchors with stabilizer plates,pretenslor f W by pulling it up to the stabilizer plate using the strap and take-up t Strap to beam connection. the anchor head.Continue pulling the strap until the plate moves Regardless of the strap amount(about 1/2 Inch).This is called packing the plate and It wil suppllers recommenda- strongest resistance(the bottom of the anchor head should be mr tOwrap strap aratrdmain 2O connect nook bbpof lions,the strap must be Inch above the top of the stabilizer plate). beers mein beam and conned connected to the top of the other and of sbpto main beam to prevent END WALL FRAME ANCHORS anchor head, damage to the structure. Attach straps to the bracket welded by the manufacturer to the frame(Figs 2, Connect strap to anchor.Connect the other end of the strap to the split bolt brackets have been installed,use approved beam clamps designed specie In the anchor.Leave enough strap length to be able to make at least three, purpose,available from anchor suppliers,Connect straps to anchors follom but no more than five complete turns around the bolt before It becomes tight procedure as for sidewall frame anchors. (approximately 21/2 Inches per turn or 71/2 to 13 Inches total).Fewer than three turns and the strap may not hold onto the bait when force Is applied. ppp Q Conversely,more than five turns may not fit within the U-channel of the an- chor head.Follow the procedure outlined In Figure 78. iR Z Z Z e cs� cs.•;,�,h,, to0 i F .33105 * Z Z Z Z r 9/28/2015 11:23 AM 77 78 Stabilizinglbstall Connect-MI ies Figure 80.End wall frame Connect Utilities Main Beam anchor attachment method Thls chapter contains procedures and requirements for the connection anc Pier Bracket making utility connections varies by location.Consult the LAHJ and the util End Wag Tle-Down SraP 45-50 Degrees v STEP 1.CONNECT ELECTRICAL SERVICE(p.80) i Anchor with 1 I '® STEP 2.CONNECT WATER SERVICE(p.83) I 1T TTT� n� L Stabilizer Plate 1 JS I—�llf-- mw�uu I I v STEP 3.CONNECT GAS SERVICE(p.86) f , IV STEP 4.CONNECT OIL SERVICE(p.87) SIDEWALL VERTICAL ANCHORS Homes built for Wind Zone II and III have factory-Installed brackets along the sidewall. Attach the strap to the bracket as shown In Figure 81. STEP 1.CONNECT ELECTRICAL SERVICE Figure 81.Connecting The home Is designed for connection to an electrical wiring system rated a TIs-dc:vn volt AC.All electrical field work must be done by a licensed electrician or r Sidewall Vertical Strap to approved by the LAHJ. r Tie-down Bracket FEEDER WIRE AND EQUIPMENT SIZES `i It its down strap The current rating(in amperes)of the home can be found on the tag locate 1 aof•m dams rnuul pr:�Ih•cupn outside next to the feeder or service entrance,and on the electrical distribl Tk damn lop pia n `N r Using this Information,determine the required feeder wire size from Table �x breckel 2 nrnosar, sizes are based on an ambient temperature of 86 degrees Fahrenheit and voltage drop Into consideration. •, ".. '� AyPr DWUu Jun Ulm 4 j✓ cr mP(s)°[o Itr lydn, `, o Acceptable conductor types are:RHH,RHW,RHW-2,THHN,THHW,THV Apnnend r xmmno1066% THWN,THWN-2,XHHW,XHHW-2,SE,USE,and USE-2. -1 skip I 11wtiml--_-- TABLE 32.ELECTRICAL FEEDER WIRE AND EQUIPMENT SIZES FOF �,f ( Vwtca-/ r I5 dma)norm PER,ALUMINUM OR COPPER CLAD ALUMINUM CONDUCTORS i ''-•.S�' to down �` Frory 7 °1'0p JALL WIRE SIZES ARE AWG UNLESS NOTED nchor/ Mini— sl- voles-- cn.p r Tie Vo,vr % f'1T Raceway Red rn�n 1. iIzc box C.nd.it tsrouny r J/ anstw '� ••.�,/ ,+ 0 35 NA 1 ..I #4 #8 #10 T '• '': DO- 70 10xiOx4 __--1-1/4 q4 �,-..#4.__ _ -#8__. Ir. 't t , /�p��•F=�S 15o 115 1002x4 1-1/2 #1 #2 �h- #6 200 1 140 loxt6x4 2 I 2fO 1/0 AP3 , ..:�1225 158 10x16x4 2 3/0 __l 210 N4 .33105P. < Q 400 I�200 10x24x4 3 400 kcm11 300 kcmil #3 D F Conductors(All - � 50 35 NA 1-1/4--1 #4 I__ #4 I #8 STEP 6.TIGHTEN AND ADJUST STRAPS �>' arrrNt� z - 10O 70 lozioxd 1-1/2 #z #z #s After all anchors have been Installed and pre•tensloned,recheck all anchor straps to „ ,y11 or' cn O assure that they are tight and that the anchor shafts have remained in contact with the D 150 1116 10xl2x4 2 210 #4 stabilizer plates.Do not over-tension straps. g 200 140 _tOxi6x4 2_ _ 4/0 j_ Oro #4 I 4 225 158 10xt6x4 2.1/2 250 kemll 250 kemll #2 e O l- 400 „286 1Ox24x4 3-112 i 600 kcmil BOO kemil #1. Z 4Z D 'l Zgi` C D r- 9/28/2015 11:23 AM 79 60 r. Connect • se E-Y FEEDER CONNECTIONS MwnPad (M°reo e0re°b.G%rA Feeder connections are made from above or from below the home as follows: Ercbcum From above—mast weatherhead feeder d sc°aw The routing,connection,and support P Power supply.A large I g pportof the service dro must meet locel codes. ewHomes equipped this way contain all necessary conduits to the electrical distribution enough power supply must panel.However,the feeder conductors(not provided with the home)are installed on In available o the site.An canpny .dInadequate power supplysite.It the masthead Is located above the roof overhang,allow a minimum clearance of may result in improper apt Mo,n E �areight feet above all roof points that the conductors pass over.There are two exceptions eration of and possibles° srw °on` to this rule:(1)The vertical clearance may be reduced to three feet If the roof has a damage to motors and apt Mw10eL1e°minimum slope of4 in 12;and(2)The vertical clearance may be reduced to18Inches pllances.It may also in-if no more than four feet of service-drop conductors pass above the roof overhang,and c dnngua —rc°^�if the terminate at a throe h-the-roof racewa ore roved su ort.A minimum clear- crease electricity costs. T.M 1. mY 9 Y PP PP ance must also be provided from the final grade to the service-drop conductors.This torFm�To measurement may vary from 10 feet to 18 feet,depending on the types of traffic antics- e°EO°ctir°y Gm d dTc pated below the service drop(refer to the NEC).Unless impractical,locate service EVIN nlGmW ei.k-morT°A" heads above the point of attachment of the servsceArop conductors and make them wni OT'.AOO rain-tight If individual conductors do not extend downward,torn drip loops. From below—underside Junction box feeder A section of conduit Is factory Installed through the floor cavity.Connect to that conduit with approved fitfings and conduit(not provided with the home)to the point where the service entrance cable enters the crawl space.Install properly-sized service entrance conductors from the main power supply to the panel board.Depending on the location Ewcm.d Bay of the main panel board Inside the home,or the point at which the service entrance s a conductors enter the crawl space,a separate service disconnect may be required.Re- far to Table 32 for the conductor and Junction box requirements.The installer must provide the supply connection including the feeder conductors,Junction box,and con- duit connectors.Protect conductors emerging from the ground from a minimum of 18 °a°r sm, 2— Inches below grade to eight feet above grade,or to the point of entrance to the home. The distance measured from the top surface of a buried cable,conduit or raceway to a, ,, , the finished grade must meet the minimum burial requirements outlined in the NEC. T°aa� Use a moisture-proof bushing at the end of the conduit from which the burled cable ioO o 0 p bd fTP°,"mph emerges, enocw°yc°,.w.MT.Egq,6pL ee••xdrT°—a GROUNDING hr WM°T. The home must be properly grounded to protect the occupants.The only safe and ap- V Vf proved method of grounding the home Is through an electrically-isolated grounding bar In all cases,a grounding electrode conductor and a ground wire must be Ir In the manufactured home distribution panel board.This grounds all non-current- Grounding the electrical carding to the following specifications: carrying metal parts to the electrical system in the home at a single point. syr:tem.Do not provide 1. Grounding wire to be per Table 32 provided by the manufacturer. Each neutral conductor must be connected to the system groundingconductor on the electrical power until the grounding electrode Is In- lucre provides ir minimum 1d Inch EMT le conduit raceway,the supply side of the main disconnect In accordance with Articles 250.24,250.26,and �° 9 bare copper wire is provided by the retailer for installation. 250.28 of the National Electrical Code,NFPA No.70-2005. stalled and connected. Where the meter base has a disconnect(typically when the meter is more than 6 feet When the meter Is not 2. The clamp connecting the grounding electrode conductor to the e from the service electric panel,although this may very met the ground and feet on the house never use the shall be suitable for direct burial and located flush or below group tral should be bonded at that disconnect and then grounded to the driven earth neutral conductor of the 3. Use a listed 5/8 Inch diameter by eight foot long Iran electrode or ground.Four wires will leave the service electric panel to the disconnect.Three wires feeder cable as a ground wire. rod of at least 112 Inch diameter by eight feet long for grounding(I will enter the disconnect from the meter base(refer to Figure 82). lip Q may be required by the LAHJ due to soil Impedance). Where there Is no disconnect on the meter base or between the meter base and ser- Z 4. Drive the electrode to a depth of not less than eight feet so that at vice electric panel(typically when the meter Is within 6 feet from the service electric ¢ feet of the electrode Is In contact with the soil. panel,although this may vary by LAHJ),the main clrcult breaker in the service electric Z M panel becomes the first disconnect.In this case,the neutral and ground are bonded In rn z 5. When rock is encountered,the electrode may be driven at an ang the service electric panel and connected to the driven earth ground from the service y S teed 45 degrees from vertical or buried In a trench that Is at least electric panel.Three wires lead between the meter base and the service electric panel g deep. (refer to Figure 83). 1 z ai FIELD INSTALLED METER BASE z z When a meter base is Installed In the field,Figure 84 and the following re( D11 must be adhered to: c • Install the meter base according to the manufacturer's Instruction ` • Use straps to support any conduit. Do not use the meter base ec 1/8/2016 11:39 AM 81 82 ConnectConnect Utilities support. • Use exterior equipment and enclosures listed as weatherproof and entrance conductors listed for wet locations. • The grounding bar may be Installed separate from the neutral bar for purpos- es of testing the electrical system, • The grounding bar may be isolated during the electrical check and re- attached,after the tests are completed. w.m.Po. • Check with the local electrical utility to verify meter base requirements and to- opd.nm rbco ab cations and distances for the main panel and meter box. (ndrsdppbd) • dTOT The field Installed meter base enclosure must be installed In accordance with H-F«Vb. its listing.Fasten securely to exterior wall studs and provide for a weather- 8y.t—Tm1 oo aan tight seal. lnms.PPbd) • Check the local code for any requirements regarding the location of the meter A0C°b «tea` base. uddmo..b« r M•mmy A. w: . aepmmrb.,. I v .(NA s.PP S.P#b � • Final testing of the electrical system should not be performed unlit all appli- ances are connected.See Prepare Appliances and Equipment(p.89)for electrical system test procedures. 5. Install water heater discharge drain.Inspect the drain opening healer to ensure that it is clear of any obstruction.If the home is tr on a basement or enclosed crawlspace,Install drain pipe connect charge from the water heater temperature and pressure relief vab side or to a sump. E.l.rb,W„ 6. Install water heater drip pan drain.Assure that the drain for the er drip pan does not terminate under the home.Using the malaria and the accompanying Instructions run a drain line from the water pan through the wall or floor to the exterior of the crawl space.Tei Abby Encbvw Figure 84.Meter base clear- line between six and 24 inches above grade.(Figure 86).Make it A4,e. antes tion point rodent proof. 1u'Ab epee Ei•b,u E.b.AAb n AN e.r.rwwa - STEP 2.CONNECT WATER SERVICE N.. CONNECTION To connect the home's water system tothe water source,Identify the water Inlet locat- J Pa w.r ad under the home(usually below the water heater compartment or utility room)and Solecting heat tape.Use follow the procedure described below(refer to Figure 85): only pipe-heating cable F�,r. 1. Flush pipe.Flush field-Installed water piping free of all debris prior to conneo- (tape)listed for menufaF timed lion to the home's water Inlet. tured homes and Install It In o,.h Pp. 2. Clean threads.Ensure that pipe threads are dean. accordance with the cable c,a 1w.. 3. Install pressure-reducing valve.If the local water supply exceeds 80 psi In- (tape)manufacturer's In- J «r..— stallation Instructions. lip Q E.b" stall a pressure-reducing valve. .a_4. Connect valve.Install a main shut-off valve between the water supply and Maximum water pressure. z a., Fl.� the Inlet on the home.Locate the riser for the shutoff valve underneath or ad- The water system for the Drain PO. home was designed tore z jacentto the home.Select full flow gate or ball shutoff vane,or equivalent maximum inlet pressure of z valve. p valve.To prevent the possibility of fresh water contamination Install an anti- siphon valve on all field Installed exterior faucets. 80 psi' S g e'b24• J O U) z z z r C D r 1/8/2016 11:39 AM 83 84 r. Connect Utilities Connect'Utilities 7. Insulate.In areas subject to freezing temperatures,protect with Insulation or water,disconnect the air supply and close the water inlet valve. heat tape pipes,valves and pressure reducers that are exposed to the out- 9. Pour antifreeze.Pour an antifreeze solution Into all drain traps,i doors;and pipes In water heater compartments with non-insulated doors. r � sinks,tubs,and toilets.Be sure that the antifreeze Is safe for the 1 Connect heat tape to the electrical outlet under the home near the water sup- • P-Naps. ply Inlet Selecting heat tape.Use TESTING only pipe-heating cable (tape)fisted for manufac- STEP 3.CONNECT GAS SERVICE After connecting the water lines check the water system for leaks using one of the pro- lured homes and Install It In cedures described below.Before testing,close all water faucets,spigots,and toilet- accordance with the cable CONNECTION tank float valves. toe manufacturer Instal- If the home uses natural or liquid petroleum gas(LPG,also known ur prop (tape) ter or space heating,cooking or other appliances,follow the procedure de; Hydrostatic(preferred): lation instructions. low: 1. Bypass water heater.Bypass the hot water heater by disconnecting the hot Testing water lines.Only 1. Inspect vents.Assure that all exhaust vents on gas-fired equlpm outlet and cold Inlet water lines from the water heater and joining them to- use pneumatic(air)testing curely connected and that roof jacks and stacks have not coma to gether.This will protect the hot water tank from damage and protect those in- when hydrostatic testing is transit and they are properly installed. volved In the test from possible Injury, not practical.Air under pressure is explosive.Ex- 2. Review appliance instructions.Review each appliance manufa 2. Pressurize system.Connect a hydrostatic pump,valve,and gauge to the to- e structions before the home is connected to the gas supply.Most E cation shown In Figure 85.Pressurize the system with water at 100 psi,and notify extreme caution and ifyfy all site personnel of antes are typically configured to operate on natural gas.Ii the go: then Isolate it from the pressure source.Bleed all air from the highest and far- the test.Wear protective be LPG,consult the appliance manufacturer's Instructions to dote thest points in the system. eyewear and take precau- changes need to be made.For homes located above 2,000 feet,r 3. Hold pressure.Monitor the pressure for at least 15 minutes. lions to prevent Impact may require a different orifice. 4. Fix leaks.If the pressure drops below 100 psi,locate and correct any leaks damage to the system 3. Remove cap.Remove the protective cap from home Inlet pipe or by cutting out and discarding bad pipe sections or joints and Installing new while the test Is in progress. full flow shut-off valve at the supply inlet(Figure 87). pipe or joints with couplings. Do not pneumatically test 4. Install regulator.The gas piping system Is designed for a pressu CPVC systems.Pneumafl- least seven inches of water column 4 oz.per s In or 0.25 psi)bt 5. Repeat Repeat the test until all leaks have been eliminated. ( p q If ) tally test Flow Guard Gold than 14 inches of water column(8 oz.per sq In or 0.5 psi).Ii gas t Pneumatic: systems only at low pres- supply source exceeds,or could exceed this pressure,install a re 1. Bypass water heater.Bypass the hot water heater by disconnecting the hot sure levels(20 psi or less). quired by the LAHJ. outlet and cold Inlet water lines from the water heater and joining them to- Pressurizing water lines. 5. Connect supply.Using matching threaded fittings,connect the g gether.This will protect the hot water tank from damage and protect those in- When pressurizing the wa- the inlet side of the shut-off valve. volved in the lest from possible Injury. ter system,connect the 2. Pressurize system.Conned an air pump and pressure gauge to the water pump to a location above a 6. Close valves.Close all valves at appliances prior to opening the Inlet,pressurize the system to 100 psi and isolate the pressure source from closed shut-off valve so as valve. the system. not to introduce pressure 3. Hold pressure.Monitor the pressure for least 15 minutes.If the pressure Into the municipal water drops below 100 psi,locate any leaks by applying soapy water to the connec- supply' Full Flow Shutall lions and looking for bubbles. valve Required Floor 4. Fix leaks.Correct any leaks by cutting out and discarding bad pipe sections (Supplied By or joints and installing new pipe or joints with couplings. Others) 5. Retest.Repeat the procedure until all leaks have been eliminated. 6. Restore connections,Reconnect the water heater and the water supply. �^ FREEZE PROTECTION FOR UNOCCUPIED HOMES �0 n1 Cover If the home Is to ba left unheated In cold weather,protect water lines from freezing as follows: Unlon(Suppllod By 1. Disconnect supply.Turn off the water supply at the main water supply shut- Others) off valve and disconnect the water supply inlet. � Source of Gas 2. Drain water heater.Turn off the water heater,if necessary,attach a.hose to z TESTING the drain valve to direct water away from under the home,open the drain lip ¢ Test the gal with the LAHJ for any additional testing or start-up requlreme piping system in the following two ways:1)taping only and 2) valve and drain the tank completely. Z g tam.Consult with t 3. Drain faucets.Open all faucets throughout the home(including the laundry area If plumbed,and any exterior faucets)and let them drain completely. D 2 Before testing is begun,the temperature ofthe ambient air and the piping r 4. Drain toilets.Flush toilets and drain water tanks completely. J approximately the same.Conduct the tests when and where air temperatut D mein constant. 5. Close faucets.Close all water faucets with the exception of one. =j p Piping only test(all appliances isolated) 6. Connect compressor.Connect a maximum of 30 psi air supply to the water Z CO Inlet connection using a low pressure compressor. 1. Isolate appliances.Isolate all appliances from the system by clo: 7. Open faucets.With the air supply on the system,open one faucet at a time D It pllance shut-off valves, throughout the home. Z 2. Attach gauge.Attach to the home's gas Inlet a mercury manome 8. Disconnect compressor,After the entire system has been drained of all > ' gauge calibrated in Increments of not more than 1110 lb. 1/8/2016 11:39 AM 85 86 a ConnectConnect Utilities 3. Pressurize system.Using an air compressor,pressurize the system with pars. If the tank is fixed to the home,provide for filling and drainh compressed air to three psi and Isolate the pressure source from the system. outside. 4. Monitor pressure.Monitor the pressure for at least 10 minutes. • Insulate interior tanks from the structural members of the home.F 5. Check for leaks.If pressure drops below three psi,check for leaks by apply- so installed with an outside fill and vent pipe and an approved liciting a noncorrosive,ammonia-free gas leak detection fluid to the joints at all gauge. valves,appliance connections,and crossover connections(do not use dish • Install tanks that feed vaporizing type oil furnaces so that oil flow. washing detergents,soap,or other household chemicals).If bubbles form, To achieve efficient gravity flow,make sure that the bottom of the tighten the connection and recheck. least 18 Inches above the furnace oil control level. 6. Repair leaks.If leaks persist,replace defective pipes or fittings with sound • Tanks for gun type oil furnaces(these furnaces Include a fuel pur material and retest. installed above or below ground. 7. Release pressure.Release pressure and open all appliance shutoff valves. OIL SYSTEM TESTING 8. Rinse connections.Thoroughly dnse all tested connections with water to Before operating the system,fill the tank to capacity with the fuel to be bun remove leak detection fluid. ually check all joints In the system for leakage.Replace(do not repair)pen Entire system test(with appliances) 1. Close appliances.Close all gas equipment controls and pilot light valves ac ll� go to Prepare Appliances an d,Equipment(p.,89) - cording to the Individual gas equipment manufacturer's instructions. 2. Open valves.Assure that gas shutoff valves for all gas equipment are in the open position. 3. Attach gauge.Attach to the home's gas Inlet a pressure gauge calibrated In ounces. 4. Pressurize system.Pressurize the system with compressed air to six to eight ounces(3/8 to 112 psi,or 10 to 14 Inches of water column). 5. Check for leaks.Check for leaks as described above In step 4 of the Piping only test.Replace defective pipes or fittings with sound material and re-test, 6. Rinse connections.Thoroughly dnse all tested connections with water to remove leak detection fluid. GAS APPLIANCE START-UP Open the shut-off valve for each appliance and adjust the burners according to the ap- pliance manufacturer's instructions.Verify that the furnace and water heater thermo- stats are operating properly and set them to the desired temperatures. STEP 4.CONNECT OIL SERVICE Homes that are equipped with oil burning furnaces must have oil supply piping Installed � F and tested on site by a qualified professional In accordance with NFPA 31,Standard A for the Installation of Oil Burning Equipment,2001 or the requirements of the LAHJ, Testing oil tanks.All oil whichever Is more stringent.The home manufacturer does not supply oil piping or storage tank and piping in- tanks. stailations and tests must OIL CONNECTION meet all applicable local Consult the furnace manufacturer's Instructions for proper pipe-sizing and installation regulations and should be procedures.Where piping Is run through the bottom of the home,ensure all holes In made only by experienced, the bottom board are sealed tight with foam,mastic,and/or tape specialty made for that qualified personnel. purpose and made rodent proof. When equipping the home with an oil storage tank,comply with the following: 9w -J • Install the pipe with a gradual slope toward the fill end or drain plug(if so DJ Z equipped)to facilitate pumping or draining of water and sludge. 11 Q Provide a readily accessible approved manual shutoff valve at the outlet,in- z stalled to close against the supply. (n Z Equip the tank with an approved oil filter or strainer located downstream from g the tank shutoff valve.Use a filter or strainer containing a sump with a drain to trap water. _t FJQ • Equip under ground tanks with a filler neck extending one foot above grade O re and a minimum 1-1/4 Inch diameter vent pipe extending at least two feet Z z above grade. D • Locate the tank to be accessible for service and inspection,and safe from fire Z and other hazards.lf the tank Is located Inside a compartment of the home, provide ventilation at the bottom of the compartment to permit diffusion of va 4 - 1/8/2016 11:39 AM 87 88 Prepare.Apollanices, Prepare Appliances: and Eqpipirnerit Prepare Appliances and Equipment This chapter provides Instructions for installing and/or preparing appliances and other equipment.While the items below can be completed in any order,the last item,CONDUCT ELECTRICAL TEST,must be done last Follow the StepS below 0 INSTALL AIR CONDITIONER OR HEAT PUMP(p.89) I _ ® PREPARE HEATING SYSTEM(p.90) I PREPARE HEATING SYSTEM INSTALL REMOTE HEATING AND COOLING EQUIPMENT(p.90) z If the home does not contain a factory installed heating appliance,Install a heating appliance according to INSTALL REMOTE HEATING AND COOL - B PREPARE VENTILATION SYSTEM(p.91) 1 oQa�EQUIPMENT,p.90.Prepare fuel burning heating systems included with tt PREPARE FUEL-BURNING APPLIANCES(p.90) 1. Inspect for damage.Inspect the furnace and report any damage 9 manufacturer. ® PREPARE SMOKE ALARMS i 2. High altitude.If the home Is located more than 2,000 feet above as Indicated in the furnace manufacturer's Instructions,derate gat ® PREPARE FIREPLACES(p.93) ) 4%for each 1,000 feet above sea level. work must be done I e This --- (and in some jurisdictions,licensed)technician. 0.PREPARE KITCHEN AND BATH APPLIANCES I FIXTURES(p 95) 3. Convert for LPG gas.If LPG gas(propane)will be used,convert an from natural to L use.Conversion m be roads c ce m ral gas PG gas u must ! V IN EXTERIOR LIGHTING(p.96) ; fled and(if required by the LAHJ)licensed technician. 4. Install Intake air pipe.Consult the appliance manufacturer's Insti INSTALL CEILING FANS_ILIGHTS(p.96) j maximum allowable pipe run length,requirements for air damper; yrelative to expected snow levels(check with the LAHJ for expects V TEST ELECTRICAL SYSTEM(p.97)' els),acceptable materials,pipe supports,and pipe termination rec 5. Install flue.For combustion appliances,Install the flue root cap a sembty as described In PREPARE FIREPLACES,Chimneys(p. INSTALL AIR CONDITIONER OR HEAT PUMP(if applicable) CENTRAL UNITS f INSTALL REMOTE HEATING AND COOLING EQUIPII Install split system or unitary central air conditioners and/or heat pumps as follows: ♦ Install remote units in compliance with all heating and cooling equipment re 1. Check suitability.Check the home's Comfort Cooling Certificate(may be in. Use listed appliances.All In this chapter above and the following: cluded with the data plate)to confirm that the home is suitable for installation applicable appliances must 1. Locate connections to the home.Find the manufacturer4nstalle of central air.If so,note the air distribution system's rated duct capacity be listed or certified by a ors,labels,or tags under the home indicating the required connec (BTUIhr),any equipment sizing guidance provided by the manufacturer and nationally recognized test- for supply and return air.If connectors are not provided nor locatic Information provided to calculate the home's heat gain. ing agency for the applica- select a supply duct location such that there are approximately eq 2. Select equipment.Select equipment with a rated heating capacity(8TU/hr) tlon for which the unit Is in- of supply registers forward and rear of the connection point.Local not exceeding the maximum Indicated on the home's data plate and a rated tended and Installed in ac• duct in the center of the home. cooling capacity sized In accordance with Chapter 28 of the 1997 ASHRAE cordance with the terms of 2. Install ducts.Install the appropriate supply and return ducts(not Handbook of Fundamentals or ACCA Manual J,Residential Cooling Load,8th Its listing or certification. between the remote unit and the home(Figure 89),making conm edition.Information needed to calculate the home's heat gain can be found on Properly sizing equipment ¢ cording to the Instructions for crossover ducts In Crossover Cant the home's comfort cooling certificate.Choose equipment with a minimum cir. Oversized cooling Z) 59). cult amperage(found on the equipment rating plate)no greater than the equipment can lower < 3. Install dampers.If Installing a remote cooling unit in a home with branch circuit rating of the exterior air conditioning receptacle(indicated on energy efficiency,reduce stalled furnace,Install dampers between the furnace and the horn the adjacent tag),If present, comfort,shorten equipment Z system,and between the remote unit and the home's air duct sys 3, Install A-toll.When Installing a cooling A coil in a down-flow furnace that in- life,and may cause 0 moisture problems In the I= vent wane air In heating mode from escaping to the remote coolin corporates a fresh air intake duct,position the duct In the furnace cavity ao- p vice versa. cording to the furnace manufacturer's Instructions, home(Including potentially g damaging the home's ¢ 4. Connect wiring.Install a thermostat containing a fan switch.Can atructure).Sizing guidance in accordance with all manufacturer's Instructions and local codes is provided by the Z 5. Seal penetrations.Repair or replace all floor insulation disturbed Manufactured Housing //�� duct installation and seal holes In the bottom board using foam,rr Research Alliance Cooling tape specially made for that purpose. Equipment Sizing �rSi Guidelines available at wwwmhraho�om. 1/8/2016 11:39 AM 89 90 • Equipment ;and Equipment Figure 88.Remote unit i damper/orations DRYER VENTS If the home Includes a clothes dryer,the components for ventilating the dry cluded with the home(but not necessarily installed)and a vent opening he: F_ I roughed in either in the wall or floor.(if a dryer is not installed,seal all drys Ings). i Run the dryer vent to the outside through the exterior wail or through the fic beyond the perimeter of the home,using materials approved by the clothes ufacturer(see Figure 90). I I — Vent sebw Rmr Vent Thnaugh Eae larval Etbawwrn V ntC p aei Riga Dui VeNCry P°mtle VM . Cis ViDry. con,nctlan I w I DryerVad I cep I I clanpb Seel BCL n I yentas Impm Ut —————J Elbow Vft Cmnel Drynvw Riga Duct arcpnalepa�o< Figure 89.Ducts connecting °up suppp"� Huating EQuiprut exterior hesfing and/or cool- F1a:o nt swdr Mealagp eiypy Rosen Ing equipment to the home W.trans somree to Dist Lira Duct Duet Balimnpf Rln RpmR WIaITlrcughtild" Install the vent as follows: 1. Remove temporary caps.Remove any temporary seals and duc 9uppmt D.C.Mr t epowsock the vent rough openings. ea•m, c. rirven wnlnen clear—Bit m— 2. Install ductwork.Install ductwork using clamps(do not use screv Ducts and amundtaba41n, fasteners that penetrate Into the duct)and support the duct with IT connected to the floor Joists or chassis at two feel o.c.or less.Ent PREPARE VENTILATION SYSTEM connections are Intemally overlapped to prevent Inhibiting the floe Prepare the whole-house ventilation system according to the ventilation system manu- © , thereby causing lint accumulation. facturers Instructions.Confirm that any fresh air Intake ducts extend to the, and I 3. Install cep and damper.Install an approved dryer vent cap with c do not draw air from the crewispace under the home.Do not allow any fresh air ventila- the exterior termination of the duct.If the vent terminates at skirtin lion Intake ducts to become kinked or restricted,forming (Figure Choosing pipe lengths. a trap( 9 89.) The appliance manufactur- the cep to framing or skirting with sheet metal screws and seal ad er may designate the length caulk or sealant.If the vent terminates through a wall,apply a bea PREPARE FUEL-BURNING APPLIANCES of the pipe run based on to the back of the cap around the opening and secure with sheet r WATER HEATER the pipe diameter and the to metal,hardboard or fiber cement siding or with wood screws to The water heater discharge and drip pan drains should have been Installed In Connect number of turns In the pipe ¢ black for vinyl siding. Utilities(p.83). run. z 4. Seal opening.Seal openings Inside and outside of the home inch Venting exhaust systems. z floor,Interior walls,siding and skirling(with caulk),and at the bolt, In homes with direct-vent water heaters(that uVllze gas,oil,or other combustion fuel), Exhaust vents must extend using foam,mastic and/or tape specially made for that purpose. and where the water heater Is not independently vented to the exterior through a grilled z to the hornets exterior opening,provide combustion air either—1)from outside the home and through the � GAS DRYERS through skirting.Terming- F skirting,or 2)through the roof via edouble-walled flue pipe. Providing air from the If the home was not fitted for a gas dryer.Installing one requires substantia Von of the dryer exhaust g outside may be accomplished with either of two methods: underneath the home can < to the home.Gas supply piping and adequate venting must be provided a. Using a combinaflon air duct system that Is listed for use with the water heater cause condensation and a the dryer manufacturer and installed by a trained professional.Do not cutt n Installed in the home and Installed In accordance with the Instructions moisture damage to the u~i turel elements to accommodate a gas dryer. provided,or home.Lint and dust accu- y z b. Usingthe termination through the floor as constructed in the facto The mare.T can ignite,causing 9 factory. a fire.The exhaust system Installation Instructions for the water heater must allow this method,the must not contain reverse termination must be free of any obstructions such as brush,and the slope. vent latlon through the skirting must provide a minimum of one square Inch for every 4000 Btuh rating of the water heater or a minimum of 15 square Inches. 1/8/2016 11:39 AM 91 92 Pre pare Appliances PrepareAPphances andEquipments, • • • PREPARE SMOKE ALARMS The home has several factory Installed smoke alarms that are wired to a 120-volt circuit.If the home was designed for placement on a basement,an additional alarm is provided for installation at a pre-wired location under the home.Connect the basement smoke alarm to its circuit and test all alarms as follows: r I �• 1. Check circuit.Ensure that electrical power to the home is activated and that the smoke alarm circuit Is on.A green light Illuminated on the cover of the alarm Indicates the alarm has 120V power. 2. Test alarms with AC Power.Verify that backup batteries are Installed and any protective tabs have been removed. Press the test button on each alarm sequentially.All alarms should sound simultaneously when the test button on any one smoke alarm is pressed.Replace any alarms that do not sound with the same brand as those installed elsewhere In the home and retest. 3. Test alarms with DC Power.Disconnect the alarms from the AC power source(trip the appropriate breaker in the panel box).Repeat the testing in step 2 for every alarm.If any alarm emits a periodic"chirping'sound this Indicates that the batteries far that alarm should be replaced. 4. Restore power.Reconnect the alarms to the AC power source by switching on the appropriate breaker. ITE PREPARE FIREPLACESInstall chimneys,chimney flashing and roofing,fireplace combustion air inlets,and ° d. hearths according to the manufacturer's Instructions and the procedures described N below. / CHIMNEYS r1 Fireplace and wood stoves may require on-site installation of additional sections of w.,.mew•°n approved chimney pipe,a spark arrestor,and a rain cap assembly.Follow the manufacturer's Instructions and the procedures described below. ln°T 1 1. Remove coverings;Remove protective materials covering the roof flashing and any foreign material from the installed part of the chimney. 2. Install chimney pipe.Assemble and seal the chimney per the fireplace or Wh wood stove manufacturer's Installation Instructions and If there Is a conflict ' n ruti between the instructions and the figure,follow the Instructions.To assure sufficient draft for proper operation,extend the chimney at least three feet above the highest point where it penetrates the roof and at least two feet higher than any surface within 10 feet of the chimney(Figure 92).Use additional section(s)of chimney pipe(not provided)if required by local code or if the site has obstructions within 10 feet of the chimney. 3. Install shingles.Install shingles up to the edge of the flue cut-out in the roof deck.Secure shingles Installed under the roof flashing with asphalt cement: upp 4. Install flashing.Place flashing over pipe section and shingles and set In as- "�600^ Shk Q ROo19hNglea Ran phalt cement.Secure flashing to roof deck at top two comers with roofing z 0au1Yp FI°rg° u nails. Fb pe � 8W.CW FI°°Hy 5. Complete shingles.Cut shingles in successive courses to fit around the pipe and embed them In asphalt cement where they overlap the flashing.Secure z I shingles with roofing nails through flashing and apply asphalt cement over nail heads.The completed installation should appear as shown in Figure 93,with g the lower part of the flange overlapping the lower shingles and the side and upper shingles overlapping the flange. Tr.With SW(PMi F"0Fa0 L— 6h II DIEwtl To Md• �'°I Z FhIWO lay Flu On Rod 1/8/2016 11:39 AM 93 94 * P i I Prep e Prepare App�liancesm -ar Appliances and Equipmen.t.1 aIndEquipmont COMBUSTION AIR INLETS INSTALL EXTERIOR LIGHTING Combustion air inlets provide combustion air through the floor or an exterior wall to a Install exterior lighting according to Figure 94 and the following: combustion appliance.If through an exterior wall,site installation is not required.If • 1. Remove cover.Remove the screws and cover from electrical jun, through the floor combustion air must be provided from outside the home and through Installing combustion air the skirting. Using a combustion air duct system,as shown in Figure 91,that Is listed Inlets.Do not install the 2. Install flash ring.Place the non-combustible flash ring over theji for use with the fireplace provided with the home and installed in accordance with the combustion air Inlet such 3. Connect wires.Connect fixture wires to house wires in the box,t instructions provided. that material from the black,white to white,and equipment ground to equipment ground Locate the inlet damper above expected snow levels.(Contact the LAHJ for snow hearth can drop beneath wire connectors.Push wires Into the box. levels). the home. 4. Connect fixtures.Connect the fixture to the junction box or strap screws provided with the light fixture. Follow the fireplace manufacturers Instructions In all cases(typically In the fireplace/stove or with the chimney parts). 5. small gap the Weatherproof/caulk inkinghebottom around the base of the fixturea small gap In the caulking on the bottom to permit drainage of vats HEARTHS -accumulate. If shipped loose,install the fireplace hearth according to the fireplace manufacturer's 6. Complete Installation.Install bulb and globe on the fixture and w Instructions. operation. PREPARE KITCHEN AND BATH APPLIANCES/FIXTURES Install kitchen and bath appliances according to the manufacturer's Instructions and the ' / nmc.w..M wv.vmn wu. procedures described for each appliance below. : � ora.am.m wineu sam rw• ctta-o Fcam CODIUNG APPLIANCES Installing exhaust ducts. If the home Is provided with a range,cook top and/or grill containing its own exhaust Route exhaust ducts so �m ' system that penetrates the floor,complete the exhaust system as follows: they do not terminate be- w- neath the home. ^a 1. Remove covers.Remove the cover on the factory-installed exhaust pipe pro• t trading from beneath the floor near the appliance. U 2. Install termination fitting.Secure the provided termination fitting at the outside Dime edge of the floor. Pa•nn,o,..wc.a,q °°�-� 3. Install duct.Use the provided flexible metallic duct to connect the elbow pro- wv.roomu rw. trading from the floor and the termination fitting.Refer to the manufacturer's Installation Instructions for guidance on supporting the duct and making the connections. INSTALL CEILING FANS/LIGHTS SITE-INSTALLED GAS APPLIANCES Install ceiling fans no closer than 36 Inches to a smoke alarm,measured fr Install only appliances with a Btu capacity equivalent to or less than the capacity of the the fan blade to the alarm and with the trailing edges of the blades at least factory-Installed piping and at the location of a factory-Installed gas riser. Inches above the finished floor.Comply with all fen manufacturers'Instruct] requirements below. REFRIGERATOR Prepare the refrigerator as follows: CEILING FANILIGHT MOUNTED TO FACTORY-INSTALLED ELECTRIC. • IN CEILING Remove straps,blacks,or other securement devices used for shipping and Before Installing the unit,make sure that adequate structural bracing Is pre: patch any resvlting marks on floors or walls. calling.If uncertain,check with the manufacturer.Follow the fan or light me If the refrigerator has an Icemaker,check water lines for leaks upon Installa• instructions to connect the unit and complete the wiring.If the Instructions e tion and a few days later to make sure no leaks have developed. J available,connect the wiring as shown In Figura 95. SITE-INSTALLED APPLIANCES AND FIXTURES Z If sinks,tubs,showers or other fixtures or appliances are to be site-Installed,follow the ittll Q manufacturer's Installation Instructions.Use only products listed for use In 2 manufactured homes and follow ell applicable local codes. zo r� F¢- f ZZ Z _Lighting Installation.Ag� qualified electrician should $ install lighting.Before con- necting lighting,disconnect power to the lighting circuit, 1/8/2016 11:39 AM 95 96 t► pr6pare Appliancesi e Equipment G—a Figure 95.Kriring for acoil- Complete Exterior Work ing fan or chain-hung light fixture with a maximum This chapter covers sealing the bottom board,Installing the ground cover a cmm s� weight of 351bs and completing site-built structures. �Follow the Steps below: wirewa sre Cd6ry Bm 6eo ® STEP 1.REPAIR AND SEAL BOTTOM BOARD(p.98) Umu•da Scry w•° °tl„t 0 STEP 2,INSTALL GROUND MOISTURE RETARDER(p.98) TEST ELECTRICAL SYSTEM ® STEP 3.INSTALL SKIRTING(p.99) After completion of all electrical wiring and connections,including crossovers,appli- ances,lights,and ceiling fans,inspect and test the electrical system as follows: I . 1. Fill water heater.RO water heater before turning on power to the home or switching on the circuit breaker. 2. Test continuity.Before turning on the electrical power to the home,conduct 1 an electrical continuity test to ensure that exposed metallic parts of the home and the chassis are effectively bonded, Check continuity as follow: • Between chassis frame and metal gas piping STEP 4.ASSEMBLE OPTIONAL WIND PROTECTION SHUTTERS • Between chassis frame and metal water piping(if any) ® STEP S.COMPLETE SITE-BUILT STRUCTURES(p.101) • Between chassis frame and metal raceway below electrical panel box f • Between one riser of metal heat duct and convenient ground Investigate and correct any loss of grounding continuity. STEP 1.REPAIR AND SEAL BOTTOM BOARD NOTE—Continuity is not required on metal inlet of plastic piped water system. Tears and openings In the bottom board can result from transportation or Ir When plumbing fixtures such as metallic sinks,tubs,faucets and shower ris- activities.Inspect for holes and gaps the entire bottom board,especially an am are connected only to plastic water piping and plastic drain piping,continu- service penetrations,crossover connections,pipe and duct hangars,found, ity to ground Is not required. ments,and the perimeter of the floor.Using approved materials appropriate 3. Test operation.After turning on the electrical power to the home,conduct of repair,repair the bottom board wherever tom or loosened as follows: operational tests of all devices(except water heaters,electric ranges,electric 1. Insulate.Replace any missing Insulation prior to closure and reps furnaces,dishwashers,clothes washers/dryers,and portable appliances)to tom board,paying particular attention to Insulation gaps that may demonstrate that they are connected and in working order. Install light bulbs If created at P-traps. not already Installed and check fixture for proper operation. Correct any de- 2. Repair large openings.Repair large openings with a durable pat fective situations discovered, bottom board fabric or other compatible material and fastened will 4. Test receptacle polarity.After turning on the electrical power to the home, tom board tape held In place by fasteners installed with a diverger conduct electrical polarity checks on all receptacles to determine that there Seal the edges around patches with foam or mastic.For large ope are no conditions of reversed polarity,open grounds or shorts. Repair or re- stall a dgid backer board behind the bottom board to provide a fas place any defective receptacles or wiring. strata for the patch. 3. Repair small openings.Repair small gaps and tears with a comt go to Complete Exterior Work(p.98). vinyl bottom board tape,patches,mastic,or foam sealant. a 6� Z STEP 2.INSTALL GROUND MOISTURE RETARDER a If the space under the home Is to be enclosed with skirting or other mateda 2 moisture retarder of a minimum six mil thick polyethylene sheeting or equiv be Installed covering the ground under the home.Moisture retarders are nc Fand regions(less than 15 Inches of rainfall annually)with dry soil condition a grade(surface)footings are used,install the ground moisture retarder prior the footings,or Install It around the footings after all other work under the hi F plate. z Install the ground moisture retarder as follows: 1191 1. Apply sheeting.Unroll the ground moisture overlapping Joints In the q minimum of 12 Inches and covering the entire area under the home areas under recessed entries,decks,and porches. 2. Seal Joints.Seal Joints In the retarder with mastic. 1/8/2016 11:39 AM 97 98 Complete Exterior • • - Exterior Wor k Wark 3. Weigh down.To keep the retarder in place,weigh it down with stones,concrete For enclosed perimeter wall blocks,or other heavy,durable materials. crawlspace foundations In 4. Repair tears.Repair any voids or tears In the retarder by patching with like me- areas where radon is com- terial,maintaining a minimum 12-inch overlap and seating joints with mastic. c oonttin innly ue the m found the sell, coisture re- tarder up the perimeter wall at least 12Inches,sealing the edges and between the STEP 3.INSTALL SKIRTING seams with mastic. STEP 4.ASSEMBLE OPTIONAL WIND PROTECTION Skirting is any structural or non-structural perimeter crawlspace enclosure.Complete site-built structures(see STEP S.COMPLETE SITE-BUILT STRUCTURES,p.101) SHUTTERS that abut the home(such as porches,attached garages,and steps)prior to Installing t � If desired,prepare temporary protective window covers for use during sew skirting. • d stones and hurricanes according to Figure 96,Figure 97,Table 34,and t TABLE 33.SKIRTING SYSTEM MATERIALS SPECIFICATIONS Avoid backfilling against below. skirting.Do not backfill Sheathing shown in Table 34 must be labeled'APA Rated Sheathing,Ext against non-structural skirt- equivalent Where any portion of the window or sliding glass door openinc Skirting must be of weather-resistant materials or provided with protection Ing, feet of the comer of the home,use the appropriate'comer"materiels as si against was, deterioration at least equivalent to that provided by a coat- ble 34. For ease of removal,it is recommended that all nailing for the shu Ing of zinc on steel of not less Man0.30 oz per sq ft of surface led with double-headed nails. Sld Inn made from wood or wood products and used wlihin six Inches of Jthe ground needs to be made of materials naturally resistant to decay and • After use,remove shutters from the home,patch nail holes in the home wt termite Infestation or pressure-treated. Skirting and decks.Homes store them for possible reuse, Ventilation openings must be covered for their full height and width'with a with open slatted decking ped'rated-(1/4 Inch maximum opening in any dimension)corrosion end - (recessed entries,porches, weather-resistant covering that Is designed to prevent the entry of rodents. or decks)must have sklrt- In areas subject to freezing,the ventilation openings must also be of the Ing or foundation behind adjustable type,permitting them to be in the open or closed position,.de- these areas to prevent wa- pending on the climatic conditions, ter from draining back un- Windowvridth To design and Install skirting,comply with the skirting manufacturer's Instructions(if der the home. provided)and the following: Freezing climates.Skirting on to 1. Configure skirting.Run the skirting along the perimeter of the home's heat- should not be yelled up • ''--------"-----I ed,conditioned space.Do not enclose with skirtingareas under recessed en- prevent freezing of the I I ides,porches,or decks(whether constructed as prt of the home or added on plumbing underneath the �� I Neither should skirt- ter unless skirting Is of the fully vented type and Installed so as to allow wa- home. I I ter to freely flow out from under the home. Ing be relied upon to re- opening wall A I A I 2. Fasten skirting.Attach skirting to the home in a manner that prevents water duce the need for frost pro freml g Glaee I Face grain direction I 9 faction of the footings as I I from being trapped between the siding or trim and the skirting or forced up In- described elsewhere in this I to the wall cavities trim to which It Is attached.Allow for frost heave when In- manual. h V min.from edge stalling skirting In areas subject to frost. I of sheathing Ventilation Importance, I I 3. Provide ventilation.Unless the skirting has Integral ventilation openings that The area under the home S cud I I meet the following ventilation requirements,Install equally sized ventilation must be properly ventilated sheathing I openings on at least two opposite sides of the foundation.Size ventilation ar- to minimlze the accumuls- Face grain direction I ea to equal at least one square foot for each 150 square feet of under-floor lion of moisture.Failure to I ———— area(or for each 1,500 square feet If a ground moisture retarder is Installed provide adequate ventila- Section A-A according to STEP 2.INSTALL GROUND MOISTURE RETARDER,p.98). bon may result in moisture a Place vents as high above the ground as practical. migration Into the home It- 4• Fasteners Z (Typical) (see table) 4. Install access.Provide an access opening not less than 18 Inches wide and self resulting In high hu- g 24 Inches high and located so that any utility connections located under the midity,formation of con- home are accessible. densation,and even Ice on z Z 5. Extend vents,drains,and Inlets.Run appliance exhaust vents,combustion cold surfaces. cn a air Inlets,and air conditioner condensation drains through the skirting to the r outside and terminate each as Instructed in the sections of this manual corre- sponding to each appliance. 5 F O 2 Z Z D Z C D r 1/8/2016 11:39 AM 99 100 s , ComPlete Exteri or - • . • or Work, • • . Lumber Figure 97.Wind Protection (se awe) Shutters Constructed of Lumber Prepare Home for Occupa Festenera (sea table) •r opera s coati Follow these steps for final inspection and completion of the home. i•l l i l I LI rmmala Glass I:I� 11 �I� ��E$31p, Follo ps •- s STEP 1.VERIFY ALTERNATIVE CONSTRUCTION(AIC)INSPE B I B i is (///l ,; ® STEP 2.COMPLETE INSPECTION CHECKLIST(p.102) 33105 •I �i la 2 X 6 Lumbar I,l I t 1. STEP 3.COMPLETE ENERGY STAR CHECKLIST.(p..102) Section B-8 i s�TF4,f tylGr��, r _ •I Q nL+ic .STEP 4.CLEAN THE HOME(p.102) i Window width STEP 1.VERIFY ALTERNATIVE CONSTRUCTION(A INSPECTION TABLE 34.SHUTTER CONSTRUCTION SPECIFICATIONS This is normally the responsibility of the retailer and the manufacturer,how stallation Is not complete until the alternative construction inspection has b and documented. STEP 2.COMPLETE INSPECTION CHECKLIST 1 layer 1 f 2layers 11 layer After all previoussteps have been accomplished,Inspect the home to vent 15/32 sheathing 15f32sheathing 20d nails 2x8#2 SPF been completely and properly installed using the checklist starting on p.10 ,i 32/16 span rating 32/18 span rating I st 4'oc I___-_.__ qod nano Correct any deficiencies found,If possible,or if not possible,Inform the rat r 1 layer- god nails F--- 2 iayera,-- '• tt - I ufacturer Immediately. 23/32 sheathing (0.13t"x 4) I I k (0.731'x 4°) I ;23P32 sheathing 2ntl layer 2x8#2 3PF. et4edg - , .,i 3 each ateach STEP 3.COMPLETE ENERGY STAR CHECKLIST -gtu24spanrati°t3'=! along edges I 48Y14 span rating 40tl naUs _ _ end of board For ENERGY STAR qualified homes(check with the retailer or manufaclut "layer J 2layets (O.t31 x8 3 a ' Is to be completed by the manufacturer's designated representative.Ask 9 1.1l8"sheathing � 1-1/8'sheathing et TOG 2x8#2 SPF 48"oc span rating 48'oc span rating along edges the manufacturer who this Is. The manufacturer's representative must complete the Energy Star Site Ins STEP 5.COMPLETE SITE-BUILT STRUCTURES Checklist,obtain signatures on the ENERGY STAR label,and return the a Install site-built structures such as steps,landings,garages,awnings,carports, /&Irj / ENERGY STAR Site Installation Checklist to the manufacturing plant. breezeways porches,decks,raliings,sheds,and utilityrooms according to manufee- /I turees Instructions(if any),In compliance with all local regulations Including fire separa- Deal nin slte•bulit struc- STEP 4.CLEAN THE HOME tion and electrical requirements,and according to the following: 9 g Remove and properly dispose of all installation-generated dust,debris,ant tures.All site-built struc- materials from the home and the surrounding property.Ensure that the hot • Do not obstruct any of the two required exit doors from the home. tures must support their move in"condition. • Construct site-built structures to be structurally Independent unless provided own dead,live,and wind c for In the design of the home(instructions will be provided by the manufactur- loads and must not or),The only connections to the home should be for appearance or water transmit any loads to thez Installation is Complete drainage and should not transmit any loads to any part of the home. home's structure.All car- Z g ports,awnings and patio• Do not damage the Integrity of the home's structural or weatherproofing sy8• p N z tem.Seal any weatherproofing connections between the site-built structure covers should be free- D O and the home and flash any roof connections. standing. r g • Utllize only GFCI outlets for site-built structures. • Install and test smoke alarms In any site-built structures according to local z code. z • Any site built structure must provide its own heating and cooling,light and Z ventilation,and egress means Independent of the manufactured home. z D No- goto�Preparq,Home,fbrOctupancy(,p.102). 4 1/8/2016 11:39 AM 101 102 ,i+ a • .• Complete, Installation 'Complete,Ihstallation Checklist �Checklist accordance with the manufacturer's Instructions CHANGES TO THE MANUAL SINCE THE LAST PUBI • Air conditioner/heat pump is sized properly publication. e able below lists the locations In the manual where text,data,or figure MISCELLANEOUS P.ge I Chapter Step Installation/anchoring certificates or seals have been Issued and Installed(if emoving ship required) emove shippi • Owner's and operation manuals are available for all appliances pair Rapt • This Installation manual is left with home tingles In acc tingle manuft 54 Complete Roof and Margin nstructions.Ri Exterior Walls In leaare fill 73 Install Stabilizing End Wall Frame Anchors dded note cla Systems nditlons. Install StebllizIng aqulre loop n 79 Systems Figure 81 rough upper Oded: In areas sub)• e ventilatiot 99 Install Skirting Table 33 Vents ISO be of the rmitting the pen or close epanding or ndllions, 47.49 Complete Multi- Ste 7 Added: Section Set p or filter chords larify: 69,61 Connect Crossovers Step 1 That duct may supported by c Added: 80 Connect U611flas Step 1 umlaum Con Izes 69 Install StabllWng Step 1 ded: QSystems Frame Anchors inimum sped lip ermined refen z Complete Roof and Q 56 Removing Shipping Protection Ilminete reten 2 Exledorwalls- anufacturer's z dded"Import O Complete Roof and F 68 Extedor Walls Step 3 ma aline Z Z 4 1/8/2016 11:39 AM 105 106 � c Y �� •i r � r 3 i`•.'�• �L':rV'X.-�:?�3i'4T �iM1tt• a — f t t .. 1 � t I { i 1 f {