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HomeMy WebLinkAboutELEVATION CERTIFICATEU.S. DEPARTMENT OF HOMELAND SECURITY ELEVATION CERTIFICATE OMB NO. 1660-0008 Federal Emergency Management Agency I Exoires February 28. 2009 National Flood Insurance Program IRlpOftant: Read the instructions on pages 1-8. SECTION A - PROPERTY INFORMATION For Insurance Company Use: Al. Building Owner's Name MANNY NEGREIRO JOB# 4612-01 Policy Number f A2. Building Street Address (including Apt., Unit, Suite, and/or Bldg. No.) or P.O. Route and Box No. Company NAIC Number 3712 ANIACOSTIA PLACE City FT. -'PIERCE State FL ZIP Code 34949 ` A3. Property Description (Lot LOT 4 ANACOSTIA Tax Parcel Number, Legal Description, etc. I A4. Building Use (e.g., Residential, Non -Residential, Addition, Accessory, etc.) RESIDENTIAL A5. ' Latitude/Longitude: Lat. Long. I Horizontal Datum: ® NAD 1927 ❑ NAD 1983 A6. Attach at least 2 photographs of the building if the Certificate is (being used to obtain flood insurance. AT Building Diagram Number 5 A8. For a building with a crawl space or enclosure(s), provide I A9. For a building with an attached garage, provide: a) Square footage of crawl space or enclosures) N/A sq ft a) Square footage of attached garage N/A sq ft b) No. of permanent flood openings in the crawl space or I b) No. of permanent flood openings in the attached garage enclo: ure(s) walls within 1.0 foot above adjacent grade N/A walls within 1.0 foot above adjacent grade N/A c) Total net area of flood openings in AB.b N/A sq in c) Total net area of flood openings in A9.b N/A sq in SECTION B - FLOOD INSURANCE RATE MAP (FIRM) INFORMATION B1. NFIP Community Name & Community Number ST. LUCIE UNINCORPORATED 120285 B2! County Name STD LUCIE B3. State FLORIDA B4. Map/Panel Number 12111 C0191 B5. Suffix G B6. FIRM Index Date 6/30/99 B7. FIRM Panel Effective/Revised Date 6/30/99 B8. Flood Zone(s) AE B9. Base Flood Elevation(s) (Zone AO, use base flood depth) 10.0 n i u. maicate the source or the Base Flood Elevation (BFE) data or base flood depth entered in Item B9. ❑ FIS Profile. ® FIRM ❑ Community DetermiIIned ❑ Other (Describe) B11. Indicate elevation datum used for BFE in Item 69: El NGVD 1929 XNAVD 1988 t (Describe) 612. Is the building located in a Coastal Barrier Resources System �CBRS) area or Otherwise P (OPA)? ❑Yes ®No Designation Date ❑ CBRS ❑ 0 SECTION C - BUILDING ELEVATION I G1. Building elevations are based on: ® Construction Draw *A new Elevation Certificate will be required when construction C2. Elevations — Zones Al-A30, AE, AH, A (with BFE), J,, V1below according to the building diagram specified in ABenchmark Utilized N/A Vertical Datum NGVD 19 Conversion/Comments NONE a) Top of bottom floor (including basement, crawl space, or enclo! b) Top of the next higher floor ct, Bottom of the lowest horizontal strictural member (V Zoni d) Attached garage (top of slab) e) Lowest elevation of machinery or equipment servicing the (Describe type of equipment in Comments) 0 Lowest adjacent (finished) grade (LAG) g) Highest adjacent (finished) grade (HAG) REQUIRED) gs' Bu'l ng Under Construction* ❑ Finished Construction f b '(ding plete. V BFE), AR, ARIA, AR/AE, AR/A1-A30, AR/AH, AR/AO. Complete Items C2.a-g a_ Check the measurement used. re floor)_ kal �� �3 ® feet ❑ meters (Puerto Rico only) ❑ feet ❑ meters (Puerto Rico only) only). ❑ feet ❑ meters (Puerto Rico only) ❑ feet ❑ meters (Puerto Rico only) jilding ❑ feet ❑ meters (Puerto Rico only) ❑ feet ❑ meters (Puerto Rico only) ❑ feet ❑ meters (Puerto Rico only) SECT( N D - SURVEYOR) ENGINEER, OR ARCHITECT CERTIFICATION ,T3tis certification is to be signed and seal by a land surveyor, engineer, or architect authorized by law to certify elevation ' ink0fiation. I certify that the informatigdon this Certificate represents my best efforts to interpret the data available. I understand that any false stateme �r{ay be punishable by frne o� imprisonment under 18 U.S. Code, Section 1001. ❑ Check here if comments ar pro ided on back of form. Certifier's Name Steph J. B bwn License Number # 4049 I Title Surve or & M I / / y per JI/1 Company Name Stephen J. Brown, Inc. / Address 619 E Street, City Stuart I State FI ZIP Code 34994 / /' ! Signature i Date 02/13/09 I Telephone (772) 288-7176 �1 � ' � FEMA Form 81-31, Feb ary 2006 Sei reverse side for continuation. Replaces all previous editions ?[> IANT: In these spaces; copy the corresponding information from Section A. For Insurance Company Use: Building Street Address (including Apt., Unit, Suite, and/or Bldg. No.) or �.0. Route and Box No. Policy Number 3712 ANACOSTIA PLACE s " City Fr. PIERCE State FL ZIP Code 34949, Company NAIC Number CTION D,='SURVEYOR, ENGINEER; OR ARCHITECT CERTIFICATION (CONTINUED) Copy both s' espf this Elevati n Certifcatf ,for (1) community official, (2j insurance agent/company, and (3) building owner. ,�ommen V / i i 1 i i Signatu . NJ.BROWN,I Date 02/13/09 . l ❑ Check here if attachments i SECTION E -BUILDING ELEVATION INFORMATION (SURVEY NOT REQUIRED) FOR ZONE AO AND ZONE A (WITHOUT BFE) For Zones AO and A (without BFE), complete Items El-E5. If the Certificate is intended to support a LOMA or LOMR-F request, complete Sections A, B, and C. For Items E1-E4, use natural grade, if available. Check the measurement used. In Puerto Rico only, enter meters. E1. Provide elevation information for the following and check the approlpriate boxes to show whether the elevation is above or below the highest adjacent grade (HAG) and the lowest adjacent grade (LAG). a) Top of bottom floor (including basement, crawl space, or enclos re) is ❑ feet ❑ meters ❑ above or ❑ below the HAG. b) Top of bottom floor (including basement, crawl space, or enclosure) is ❑ feet ❑ meters ❑ above or ❑ below the LAG. E2. For Building Diagrams 6-8 with permanent flood openings provided; in Section A Items 8 and/or 9 (see page 8 of Instructions), the next higher floor (elevation C2.b in the diagrams) of the building is ❑ feet ❑ meters ❑ above or ❑ below the HAG. E3. Attached garage (top of slab) is ❑ feet ❑ meters ❑above or ❑below the HAG. E4. Top of platform of machinery and/or equipment servicing the building is ❑ feet ❑ meters ❑ above or ❑ below the HAG. E5. Zone AO only: If no flood depth number is available, is the top of ttie bottom floor elevated in accordance with the community's floodplain management ordinance? ❑ Yes ❑ No ❑ Unknown. The local official mast certify this information in Section G. SECTION F - PROPERTY OWNER (ORJOWNER'S REPRESE ATIVE) CERTIFICATION The property owner or owner's authorized representative who completes Pections A, B, and A (without a FEMA-issued or community -issued BFE) or Zone AO must sign here. The statements in Sections A, B, and E are 6orrect to the bes - m kno dge. Property Owner's or Owner's Authorized Representative's Name Address%20VState FL ZIP Code Signature a Telephone Comments Fl Check here if attachments The local official who is authorized by law or ordinance to administer the and G of this Elevation Certificate. Complete the applicable item(s) and INFORMATION (OPTIONAL) munity's floodplain management ordinance can complete Sections A, B, C (or E), below. Check the measurement used in Items G8. and G9. G1. ❑ The information in Section C was taken from other documentatiod that has been signed and sealed by a licensed surveyor, engineer, or architect who is authorized by law to certify elevation information. (Indicate the source and date of the elevation data in the Comments area below.) G2. ❑ A community official completed Section E for a building located in Zone A (without a FEMA-issued or community -issued BFE) or Zone AO. G3. ❑ The following information (Items G4.-G9.) is provided for commun'ty floodplain management purposes. G4. Permit Number G5. Date Permit Issued G6. Date Certificate Of Compliance/Occupancy Issued G7. This permit has been issued for. ❑ New Construction ❑ Substantial GEh, Elevation of as -built lowest floor (including basement) of the building: Gy. BFE or (in Zone AO) depth of flooding at the building site: Improvement _❑ feet ❑ meters (PR) Datum ❑ feet ❑ meters (PR) Datum Local Official's Name Title Community Name Telephone Signature Date Comments I ❑ Check here if attachments FEMA Form 81-31, February 2006 1Replaces all previous editions Marina N. �Llioren5 Architects, P.L. 2600 ne 45th Street . Lighthouse Point . Florida . 330G4 Comnanv Lic. # AA26000902 May 29, 2009 St. Lucie County Building Department 2300 Virginia Avenue Ft. Pierce, Fl. 34982 Permit Number_ 0902-0146 RE: Negreiro Residence Building Deparl This letter is to notify that Marina N. Llq located on 3712 Anacostia PI, Fort Piero Sincerel Marir N. Llorens Designer/Architect AR9174 - nt Comments is is the Design Professional for the Negreiro Residence Project, 1.34949. Mar 26 09 10:41a Kathleen Murphy NOV-04-2008 TUE I)3:48 P1'1 Beaches & Coastal 5619559599 FAX H6. 8504885257 I:b P. 01/0€ Von November 4, 2068 OF Partners Sea Oa c/o Hggy-J RU% rs Mathers Ehgi teerin 2431 $- TL Dixie Ri Stuart, f jm da• .349 Dear W.-Matbers: Approval.of;,ROU pe• �e �, Wile pewpl isiftici y-1 No f,ltaewal 'assurance that a p application. You are.rp*red tf of cotpttwion. Al If you.,have any qi Iettethead • addres! Krr;gee►.Setl e4a1c Sincerely, Florida• Dej Environment. Amer-ory stonomm 3900 comm" Taltahassec, Flo] 3 LLC Corp. ghway ►5 � IT © .w ; 209 parmers Son oats 3 LLC 1ge 6ceipt-ofyoum4ijest fora twc ranted, and the permit'is na.W. vali� t of this permit -are authorized. You :Trait for any of the same Botts post a copy of this letter on the site mquirements and conditions o€the; protection glas-euitdyar, Boulevard 2010. Charlie Crist Governor Jeff Kottkamp Lt. Governor Michael W. Sale Secretary File Number SL-209. The apply for a new permit. However, there is no -or actiuitics_ will be authorized upon future - with the-psrrnit-pla=,d for dwentire-period remain in effect. ;stions' dr concerns, or-need-additio%al-iuformatinn, please contact me by Inail at the (add Mail Station 300), or by telephone at . 950/921-7778, or by .e-rnai) at )Ctiste� I eisysi-Se 1a,• pemdt Manager Hwea�,of�3eachc and 'Coastsl Systems KNSldW cc: Mark Tar St. Lucie I GF Fartne ton, Field Inspector ounty, Building Official 9 Sea -oats 8, LLC, i'ropertYOwner NOTE: THIS AUTHORIZATION IS DIFFERENT FROM TIH✓ ORIGINAL REQUEST. SEE SPECIAL PERMIT CONDITIONS. PERMITTEE GF Partners Sea Oats 3, LLC c/o William J. Mathers, P.E. Mathers Engineering Corp. 2431 S.E. Dixie Highway Stuart, Florida 34996 PERMIT FOR CONSTR PURSUANT TO SECTI( FINDINGS OF FACT: An application for coastal construction control line which are applicant/perrnittee named herein on Dece pursuant to rule on March 17, 2005. The prc erosion projection. There is no reasonably existing major structures in this area due to CONCLUSIONS OF LAW: After con from affected persons, the Department activities indicated in the project descriptio adverse impacts to the beach/dune areas or adversely impact nesting sea turtles, their h; nature and/or is appropriately designed in ac Code; and that it is an activity or type of cor, STATE OF FLORIDA DEPARTMENT OF ENVIRONMENTAL PROTECTION Division of Water Resource Management Bureau of Beaches and Coastal Systems 3900 Commonwealth Blvd. - Mail Station 300 Tallahassee, Florida 32399-3000 (850) 487-4475 PERMIT NUMBER: SL-209 PION OR OTHER ACTIVITIES 161.053, FLORIDA STATUTES ORDER rizatio6thep etiMies seaward of the ited insect ption, was filed by the 20, 20w etermined to be complete i projea ocated landward of the 30-year obus lnstruction established by similar elopment of the subject shoreline. m erits ofthe proposal and any written objections that upon compliance with the permit conditions, the ire of such a nature that they will result in no significant adjacent properties; that the work is not expected to ;hlings, or their habitat; that the work is expendable in ordance with Rule 6213-33.005, Florida Administrative :ruction which the Chief of the Bureau of Beaches and Coastal Systems has authority to approve or deny pursuant to Delegation of Authority, DEP Directive 100, effective September 27, 2002. The direct and cumulative impacts to the beach and dune system that will be caused by the seaward location of the proposed construction represent the maximum such impacts that are acceptable io the Department. Therefore, future construction on the site seaward of the coastal construction control line shall not ext?Yd further seaward of the proposed structures approved pursuant to this permit. I Based on the foregoing considerations, the Bureau Chief approves the application; authorizes construction and/or activities at the location indicated below in strict accordance with the project description, the approved plans (if any) and the General Permit Conditions which are attached and are byl this reference incorporated herein, and any additional conditions shown below, pursuant to Subsection 161.053(5), Florida Statutes. EXPIRATION DATE: June 10, 2008 PERMITTEE: GF Partners Sea Oats 3, LLC PERMIT NUMBER: SL-209 PAGE 2 LOCATION: Between approximately 45 feet and 120 feet south of the Department of Environmental Protection's reference monum nt R-57, in St. Lucie County. Project address: Lot 4, Anacostia Place, Ft. Pierce. PROJECT DESCRIPTION: Single -Family Dwelling I 1. Location relative to control line: A maximum of 100.5 feet seaward. 2. Exterior dimensions: Approximately 68 feet in the shore-nornlal direction by 54 feet in the shore -parallel direction. 3. Type of foundation: Piles. Swimming Pool I 1. Location relative to control line: A �maximui of 14 eaward, with a 15.5-foot pile supported concrete pool deck extendin,g# ma ui f 155.5 feet seaward. 2. Exterior dimensions: 27 feet ' 1 ho ' al direction by 38 feet in the shore -parallel direction. 3. Type of foundation: Piles. 4. Deck elevation of swimming pool: pproximately +17.0 feet (NAVD). 5. Bottom elevation of swimming poo Approximately +11.0 feet (NAVD). 6. Maximum depth of swimming pool 5 feet. 7. Height of pool deck above existing grade: 9 feet. Fill 1. Volume of fill to be placed: A Condition 6. 2. Location of fill to be placed: From 927 cubic yards. See Special Permit 13 feet to 155.5 feet seaward of the control line. PERMITTEE: GF Partners Sea Oats 3, LLC PERMIT NUMBER: SL-209 PAGE Other Structures/Activities A paver -block driveway of approximate dimensions 39 feet shore-nonnal by 59 feet shore - parallel is to be located a maximum o�39 feet seaward of the control line. 2. Frangible 4-foot high concrete block rivacy walls are to be located on the north and south sides of the property a maximum of 169.6 feet seaward of the control line. 3. An 8-foot diameter spa pool is to be located on the landward side of the swimming pool. 4. Landscaping and dune restoration is tb be conducted a maximum of 300 feet seaward of the control line. See Special Permit Conditions 7 and 8. 5. Front entry stairs on the landward si a of the single-family dw me%ions 14 feet shore-nonnal by 20 feet shore-paralle are to be located a maxi um feet seaward of the control line. SPECIAL PERMIT CONDITIONS: 1. No work shall be conducted unde i til the permittee has received a written notice to proceed from the Departm 2. Prior to issuance of the notice to pri site and grading plans, foundation F and sealed by the design engineer or State of Florida. The plans and spec the Bureau of Beaches and Coastal 2.1. Consistent maximum sec throughout all plans. 2.2. Consistent depiction ofall 3. Prior to issuance of the notice to l • lighting plans which shall be subj reflect consistent, maximum seawo shall not exceed one fixture per h floor area, or one fixture per 8 lb , the permittee shall submit two copies of revised and pool plans. These documents shall be signed tect (as appropriate), who must be registered in the :ions shall be subject to approval from the staff of ms, and shall include or reflect the following: distances of structures from the control line elevations and dimensions throughout all plans. treed, the pennittee shall submit two copies of revised It to approval by Bureau staff. The revised plans shall � distances from the control line. Exterior light fixtures Tess/egress, one fixture per 100 square feet of exterior nl feet of stair or path. Exterior wall mount and PERMITTEE: GF Partners Sea Oats 3, LLC PERMIT NUMBER: SL-209 PAGE 4 ceiling lights shall be equivalent in) a 40 watt (480 lumen) output stands bulbs shall not exceed 7 watts (400 it wavelength and shall not exceed the illumination of incandescent yellow bug light. Compact flourescent nens). Halogen bulbs are prohibited. 4. Prior to issuance of the notice to proceed, the permittee shall describe the method of waste disposal and depict on signed and sealed drawings that shall be subject to approval by Bureau staff the waste disposal system to be located to the landward side of the single-family dwelling. Prior to commencement of construct conference shall be held at the site ai a staff representative of the Bure understanding among the parties conditions of the permit. The propo conference. Contact Gene Varano, conference. 6. All fill material shall be obtained fi of sand which is similar to that alre material shall be free of constructie sand shall be provided to the staff 7. Landscaping and dune restoration sh, and the pennittee shall remove all control line, including but not limiter Schinus terebinthifolius, beach naup; Pest Plant Advisory Council List of non-native grasses and large specime or decks. Plantings in other areas of t: species such as listed in the Florida 1 Species Category I and II. The "I vegetation of similar type and spa planting; the 6-foot beach access ea dune; and trees are to be limited to . Prior to submitting the final certific permittee shall submit an as -built architect showing the landscaping at Condition 7 to be completed. i activity authorized by this permit, a preconstruction no the contractor, the owner or authorized agent, and of Beaches and Coastal Systems o establish an to the items specified in tl I and general locations of the structur s e s -ed out for the 11 free pager number 7 329, to schedule a a sour a dwaft*he control line and shall consist e s - i both grain size and coloration. This fill e , or other foreign matter. A sample of the ese a ive during the preconstruction conference. 11 be in accordance with the Department approved plan evasive nuisance plant species from seaward of the to Australian pine, Casuarina spp., Brazilian pepper, ka, Scaevola taccada, and others on the Florida Exotic �ategory I and Il Invasive Species. Sod composed of i palms are not authorized seaward of a major structure .e project site shall not include invasive nuisance plant .xotic Pest Plant Council's May 2003 List of Invasive 'aturalization Zone " is to be stabilized with native ;ing as proposed in the adjacent dune restoration ement is to be located along the landward toe of the 4-foot overall height and anchored. on, referenced in General Permit Condition 1(s), the .an prepared and certified by a licensed landscape dune restoration program referenced in Special Permit PERMITTEE: GF Partners Sea Oats 3, LLC " PERMIT NUMBER: SL-209 PAGE 5 9. All lighting shall be installed and i No additional pennanent exterior r CAVEATS: �d as depicted in the approved lighting schematic. is authorized. 1. Due to potential adverse impacts t¢ the beach and dune system that may result from additional development on the prope I y, the seaward extent of the permitted structures shall not be increased, nor will any additio al major structures be permitted which would exceed the limits established by the permit ed construction seaward of the coastal construction control line. 2. The plans reviewed by the Departm( be designed consistently with the sta dwellings located seaward of the approving this permit request, the D authorized work, and does not gua prevent immediate or future collap storm event. Approved plans are incorporated into thi Done and ordered this t0 day of Attachment: General Permit Conditions FILING AND ACKNOWLEDGEMENT FILED, on this date, pursuant to S 120.52 Florida Statutes, with the designated Department Clerk, receipt of which is hereby acknowledged. 4 /- ` Deputy Clerk Date indicate that the proposed building does not appear to ards of Section 3107 of the FloA'dauilding Code for oastal Construction ConTherefore, by irtinent does not endo Therefore, of the itee or warrant t ch will be sufficient to of the dwelli stru ring a 100-year coastal �by rice. 2005, in Tallahassee, Florida. State of Florida Department of Environmental Protection Michael R. Barnett, P.E., Chief Bureau of Beaches and Coastal Systems A. M. EN 3504 Im FORT P] (772) 461-7508 Crimson North 8212 Kiawah Trace St. Lucie West, Florida 34986 Re: Geotechnical Exploration for Lot 4, Anacostia Project, SR. Project No. D-03307 Ladies and Gentlemen: A. M. Engineering and Testing, Inc. is ple the referenced lot. Our exploration was ci lots in the project. This letter presents our explorations, a summary of the site as recommendations for the foundation of*6 PROJECT DESCRIPTION G AND TESTING, INC. UAL 33RD STREET FLORIDA 34946 :E - (772) 461-8880 FAX May 29, 2003 used Residential Structure St. Lucie County, Florida to submit thi eot � 'cal exploration report for ;ted in dun th an exploration for all the rd' of . e project, a brief description of the �`Tsswface nditions. and our conclusions and The project site is in a ten lot ocean front development on the east side of Highway AIA on South Hutchinson Island in St. Lucie County, Florida. Our client advised us that the project site was cleared and filled in 1982. The access road has been constructed and the lot has been leveled. We estimate that no additional fill will be nlacedl on the lot. The residence will be located to the east of Ithe 1987 Coastal Construction Control Line (CCCL), and consequently will require pile foundations. We estimate the first floor elevation at +16 feet NGVD. Based on information from previous projects, we understand that the scour elevation prescribed by the DEP for St. Lucie County, is +2.7 feet NGVD. FIELD EXPLORATIONS The subsurface conditions at the project site were explored between March 48 and April 10, 2003 in conjunction with the other nine lots of the development. Two (2) Cone Penetrometer (CPT) soundings were conducted in each of the iten lots. Subsequently three (3) Auger (AB) borings were performed at selected locations throughout the site. The approximate locations of the CPT A. M. Engineering and Testing, Inc. explorations are noted on the Boring Lc below the ground surface at the time the The CPT soundings were performed in ge: Static, Cone and Friction -Cone Penetration 1452, "Practice for Soil Investigation and Si We reviewed the USGS 7.5-minute series c Pierce, that was revised based on aerial pho project site is located in a mangrove swamp approximately 3/a mile to the west. The dune east of the site. According to the Soil Survey of the St. Luc soil type occurs within the area of the proje poorly drained soils are found in tidal ma Variant consists of fine sands to depths of c outer edges of the swamps. The Kaliga Vaj 17 inches of sands with some silt and c FINDINGS Lot 4, Anacostia Project Project No. D-03307 Plan. The depths indicated on the boring logs are were completed. compliance with ASTM D 3441, "Deep Quasi - of Soils', and the auger borings with ASTM D ig by Auger Borings". adrangle topographic map of the area, entitled Ft. graphs taken in 1983. The USGS map showed the -low elevation 5 feet NGVD. The Indian River lies ne along the Atlantic Ocean es immediately to the County Area b he Dept. of Agriculture one site, Po '� : —Kaliga Variant (35). These rove sw. s ' the Indian River. The Pompano ;r the , ' ese soils are generally found on the s ,ofile includes 35 inches of muck overlying The project site is accessed along a paved road that runs through mangrove swamps. The terrain at the site was flat with sparse grass cover. the grade of the lot was estimated to be slightly above the access drive at the time of our explorations. Based on the Paving and Drainage Plan prepared by Culpepper and Terpening, Inc. dated October 22, 2000, the elevation of the site appears to be approximately 6.5 to 7 feet NGVD. The subsurface soils observed in the auger borings were fine sands with varying amounts of silt, clay, and shell fragments from the existing surface to depths of 5'/2 to six feet. The fine sands were underlain by organic silt (muck) to depths of seven to eight feet. The organic silt was underlain by fine sand little to some shell fragments to the bottom of the deepest boring at a depth of ten feet. The two CPT soundings indicated four to five feet of very loose to firm soils overlying a very soft to loose layer that extended to depths of nine to ten feet. Below ten feet a stratum of firm to medium dense sandy soil (eight feet thick) covered a second loose zone that was one to three feet thick. Below depths of 20 feet, the soils were generally dense to very dense to a depth of 40 feet, the termination of the deeper sounding. This profile is similar to the data from the remaining lots. 2 A. M. Engineering and Testing, Inc. Ground water was encountered 31/2 to 41/2 borings. The water table will fluctuate with t FOUNDATION RECOMMENDATIONS Due to the positions to the east of the Coas residence must be supported by pile foundati we consider that performance, cost and ease cast) piles. Table 1 presents allowable beary concrete piles. The analyses were performed the University of Florida. The pile capacities feet NGVD. Lot 4, Anacostia Project Project No. D-03307 ;et below existing grade at the completion of the tides. Construction Control Line (CCCL), the proposed i. While a wide variety of piles may be considered, construction favor the use of cast -in -place (auger - capacities for 14 and 16-inch diameter auger -cast ing the FDOT COMPILE program developed by re calculated assuming scour to an elevation of +2 Ai ift-i- 'i2o 99"Ci Pile Pile Length Elevation of Ul to I Allowable Allowable .Diameter below Existing Pile Tip* no earmg Bearing Uplift Grade %,% pacity Capacity** Capacity inches feet fe (tons tons 14 28 -71 120 40 9 16 28 -2 - 150 50 11 * Assuming existing grade is at elevation +7 feet NGVD. ** Pile load tests are required for design p1le capacities greater than 40 tons. The bearing capacities of the piles have r friction since the site was filled over 20 additional fill is to be placed, A. M. immediately so that we can adjust the pile c We do not have any specific information n application. We have calculated the deflecti lateral load applied at the middle of a pile elevation +2 and —2.5 feet are very soft, elevation —2.5 feet for our calculation of the been adjusted for large amounts of negative skin rs ago. If this information is not correct or if agineering and Testing, Inc. should be advised rding the estimated lateral load or the point of its and the maximum moment associated with a 4-kip p at elevation +7 feet. Because the soils between e have considered that the scour will extend to eral capacity of the piles. The lateral capacity was calculated according Ito Navfac DM-7 assuming a flexible cap condition. The deflection of a 14-inch diameter pile 'at elevation —2.5 feet will be approximately 1/2 inch. The maximum moment of 44 ft-tons will occur at elevation —6.5 feet for a 14-inch diameter pile. We recommend that the reinforcing ' steel extend at least several feet below the point of maximum moment. A. M. Engineering and Testing, Inc. The piles. should be installed with center -to Larger spacings of at least 2.5 to 3.5 D, are Lot 4, Anacostia Project Project No. D-03307 spacings of at least twice the pile diameter, D. We recommend that the project specification for the piles follow The Augered Cast -in -Place Pile Model Specification published by the ' Deep Foundations Institute. If not, the pile installation should be done in accordance with the specifications presented in the FDOT Standard Specifications for Road and Bridge Construction, 2000, as well as the criteria presented in Attachment B. An experienced inspector should monitor the installation of the piles so that these criteria are followed. The project site should be prepared in accordance with the applicable recommendations in Attachment A. Please note that the general Isite preparation procedures must be followed before construction begins. If additional fill will be required, we should be advised immediately. The weight of the fill will cause the underlying layers of muck tQ settle which will, in to drag down on the piles (negative skin friction). The pile capacities ould need to be red cordingly. Generally we recommend a waiting period after the fill isplaced before the in do of the piles in order to allow some of the fill -induced settlement to occur. CLOSURE This report has been prepared in a practices in the State of Florida. N F guarantee performance in any respect, care. Our recommendations are based on t our field explorations and our past expej conditions that may exist between our borin extent of such variations may not becoi construction is underway. Should such v Engineering and Testing, Inc. be requested our recommendations, if necessary. �� generally accepted geotechnical engineering anty, expressed or implied, is made. We do not t our work meets normal standards of professional project information furnished to us, the results of .ce. They do not reflect variations in subsurface and in unexplored areas of the site. The nature and evident until further explorations are made or itions be observed, we recommend that A. M. observe the actual site conditions and re-evaluate Environmental concerns, including (but n�ater limited to) the possibility that hazardous materials or petroleum contaminated soils or ground -may be present on the project site, were not included in the scope of work. Furthermore, our explorations did not include determination or delineation of "wetland" areas. 4 A. M. Engineering and Testing, Inc. • • A. M. Engineering and Testing, Inc. has al of your project. If you have any questions please call us. Respectfully submitted, A. M. ENGINEERING AND TESTING, I Paul C. Martin, E.I. Project Engineer PM/RGA Attachments: Attachment A Attachment B Boring Location Plan CPT Logs (2) Copies: Client (4) 11ServerWA4ppsWMDATA1Cr1mson NorthlLot 4,, Anacosda Lot 4, Anacostia Project Project No. D-03307 -ciated the opportunity to assist you with this phase ;arding this report or need any further information, Rebecca Grant Ascoli, P.E. Senior Geotechnical En&eer Florida Registration No. 51863 wi A. M. ENGINEERING AND TESTING, INC. ATTACHMINT A I. General Site Preparation The construction area should be stripped of all surface vegetation, trees, roots, debris and other deleterious matter within and five feet beyond the perimeter of the proposed building and in all paved areas. Areas to receive fill should be likewise stripped. Any holes or voids from tree roots, abandoned septic tanks, etc. should be filled las indicated in Section IV. The cleared areas should then be proof -roll roller operating at a "slow walk" speed. Tl: area with a series of overlapping passes. passes with the compactor moving in one compactor moving at a right angle to the rolling areas with adjacent or nearby struct any soft or loose zones and buried debris. I or the geotechnical consultant should be resolved. Because the initial proof-ro representative of A. M. Engineering and I and compacted with a 10-ton (minimum) vibratory vibratory compactor should cover the entire cleared he compactor should make at ast three series of irection and at least three of passes with the irection of the first seri p es. (When proof- -es, refer to Sectio f-rolling helps to detect unstable are co ered, the project engineer advised the att , vestigated and the problem ing ery cal, we recommend that a t%n monitor the operation. After proof -rolling, the cleared areas s `ild %e compacted until the upper two feet of soil achieve a density of at least 95 percent of t modified Proctor maximum dry density (ASTM D 1557). The compaction should be checked *ith field density tests. Where the project site is located adjacent operation of heavy vibratory rollers, th alternative equipment. Loaders with a raise, "jumping jack" type compactors have beer need to be modified because of reduced i since small plate compactors are generally inches, thinner lifts will be required. M. Excavation and Backfilling Where excavation and backfilling are req depth. Soils that are suitable for use as surface should be compacted (as describe subgrade soil achieve a density of at leas density (ASTM D 1557). The compaction should then be filled to grade in compacted Ito existing structures that may be damaged by the required densifrcation should be achieved with 1 bucket filled with soil, heavy plate compactors, and used successfully. The densifrcation procedure may ;apacity of the acceptable equipment. For example, effective only to a maximum depth of six to eight fired, the soils should be removed to the specified M should be stockpiled separately. The excavated d in Section 1) so that the upper two feet of the 95 percent of the modified Proctor maximum dry should be checked with field density tests. The site lifts as indicated in Section IV. i A. M. ENGINEERING AND TESTING, INC. ATTACHMENT A continued IV. Fill Placement Fill should be "clean" sand with less than five percent fines (percent of dry weight passing a U.S. No. 200 sieve). Higher fine contents can be used but more construction control is necessary. Fill behind walls should be very pervious, with no more than three percent fines. If the proposed fill soil does not meet the requirements, the project engineer or the geotechnical consultant should be advised in order to evaluate the situation. Where fill is to be placed on the existing Section I. The outer edges of the fill shout slopes with a minimum horizontal to vert outside the building perimeter to the existi compacted lifts with each lift compacted to dry density (ASTM D 1557). The compacti Fill that is placed in confined areas such as eight inch thick lifts to at least 95 percent c D 1557). V. Footing Excavation After the footings have been excavated should evaluate the bottom of the f in bearing layer is present. Our repre at" density of the upper two feet of soil 1 the modified Proctor maximum dry density (A; was loosened during excavation or if the design grade, the footing subgrade should b type compactor until the required density is VI. Groundwater )und, the surface must be prepared as indicated in extend sufficiently beyond the building to provide J ratio of 4":1(V) from approximately five feet grade. The fill should be placed in 12-inch thick least 95 percent of the modified Proctor maximum should be checked with field density tests. itility trenches or holes shouW be compacted in six to 'the modified Proctor m in dry density (ASTM -p a atiive of A. M. Engineering and Testing, Inc. i spect to the boring data and assess if a suitable e should perform density tests to confirm that the bottom of the footings is at least 95 percent of the TM D 1557). If the soil in the bottom of the footing :ootings were overexcavated and then ' backfilled to . compacted with a vibratory plate or "jumping jack" If a high water table is encountered while the foundations are being constructed and there are difficulties with the site preparation, the project engineer or the geotechnical consultant should be advised so that appropriate construction techniques are used to overcome the problems. VII. Monitoring and Testing We recommend that the site preparation and the subsequent earthwork be monitored by an engineering technician from A. M. Engineering and Testing, Inc. The technician will observe the stripping, proof -rolling and compaction of the existing soils; determine the suitability of fill and backfill soils; observe the subgrade in the footings; and evaluate the degree of compaction attained by performing field density tests. ii A.M. ENGINEERING AND TESTING, INc. o u o The flighting of the auger used to form the piles should have a constant diameter that achieves the specified cross-section, and should be continuous from the auger head to tip. The center hole of the auger through which the grout is pumped should have a diameter of at least 3 inches. The auger head used to drive the flighting s�ould have a minimum static weight of 4,000 pounds. It should be powered by a drive unit with at least 150 horsepower and a minimum rated torque of 9,000 foot-pounds. The piling leads should be prevented from rotating by a stabilizing arm attached to the crane or by firm embedment of the pile leads in the surficial soils. A positive displacement pump capable of developing a displacement essure greater that 350 psi should be used to transport the grout to the augered hole. The hould be provided with a gauge for monitoring pressure and a digital counter for measu ' t out volume. Each pile should be augered and grouted in a0�8' p d sequence. Once the design penetration depth is reached, the auger should b 0.5 to 1 foot while maintaining positive rotation. This position should be mW amrout flow has reached the tip at which time the auger should be lowered into th@,bo of the hole. The rate of grout injection and. au al should be closely coordinated so that a positive gauge pressure is maintained at all t' A minimum head of 5 feet of grout should be provided above.the auger tip during grouting. The auger should be raised, with minimal rotation and with a continuous, steady rate of pull, which allowsl the required grout head to be maintained. The volume of grout per linear foot of pile should be at least 10 percent larger than that of the neat excavation. In no case should a pile with a grout volume less than the neat excavation volume be accepted. A sequence of pile installation should be u; not disturbed. 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ENGINEERING AND TESTING, INC. 3504 INDUSTRIAL 33RD STREET FORT PIERCE, FLOMA 34946 FORT PIERCE (772) 461-7508 800-233-9011 FAX (772) 461-8880 VERO (772) 567-6167 STUART (561) 283-7711 Client Crimson North Date 1 O-Apr-03 Project Lot 4 - Anacostia, SR AlA, St. Lucie County, Florida Job No D-03307 Location CPT-413 page 2 Elevation Existing Field Crew JC & RC Rig # 2 Depth P P+S qc FR Meters 120 140 240 1.1 11.2 130 150 260 0.6 11.4 125 135 250 0.5 11.6 100 110 200 0.3 11.8 105 110 210 0.6 12 90 100 180 12.2 ELYI-) i L:2;1. 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