HomeMy WebLinkAboutProject Information-- wrightsoft Pro ect Summary
Enfire House
For FdNG
Notes:
�. Design Information
Weather. Key West M FL, US
Winter Design Conditions
Outside db 58 OF
Inside db" 70 OF
Design TD 12 OF
Heating Summary
StructDucts 18746 BBthuh
Central vent (0 cfrn) 0 Btuh
(none)
Humidification 0 Btuh
Piping 0 Btuh
Equipment load 18746. Btuh
Infiltration
Method Simplified
Construction quality Average
Fireplaces 0
Area (fF)
Vblume (ft
Airchan esthour
Equiv.AVF (cfm)
He1hN co 1ti_ng
12760 125576600
1,00 1.00
213 213
Heating. Equipment Summary
Make
Trade
Model
AHRI ref
Heeating nput
H
Heating output
Temperature rise
Actuai airflow
80 AFUBtuh
0 Btuh
0 OF
1200 cfm
Airflowfactor
Staficpressure
Space thermostat
H64 cfmBtuh
0 in H2O
Jot:
sate: 02 JANUARY 2020
By.
Summer Design Conditions
Outside db
90 OF
;Inside db
75 OF
Design TD
15 OF
Daity rangue
L
60: 0/0Moisture
Relative hmidity
difference
68 grub
Sensible Cooling Equipment Load Sizing
structure
26478 Btuh
Central vent (0 cfm)
0 Btuh
(none)
Blower
0 Btuh
Use manufactureft data n
Ratelswing multipplier, 0.95
Equipment sensible load 25154 Btuh
Latent Cooling'Equipment Load Sizing
Structure
1083Ducts
0 BBtuh
Central vent (O cfm)
0 Btuh
none
Equipment latent load
16837 Btuh
Equipment To Load (Sen+Lat)
35991 Btuh.
Req. total capacity, at 0:70 SHR
3.0 ton
Cooling Equipment Summary
Trane
4T VV8036A
13;0 EEK 18 SEER
25200
'Btuh
10800
Btuh
36000
:Btuh
1200
dm
0.045
.
cfm/Btuh
0
in H2O
0.71
;` -awNrightsof - 2020-JB"2082402
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2017 - AIR BARRIER AND INSULATION INSPECTION COMPONENT CRITERIA
TABLE 402.4.1.1
AIR BARRIER AND INSULATION INSPECTION COMPONENT CRITERIA
Project Name: KING Builder Name:
Street: 217 SCHOONER LANE Permit Office:
City, State, ZJp: DUCK KEY, FL, Permit Number.
Y
U
Owner. Jurisdiction:
w
Design Location: FL, Key West
v
COMPONENT
AIR BARRIER CRITERIA
INSULATION INSTALLATION CRITERIA
General
A continuous air barrier shall be installed in the building envelope.
Air -permeable: insulation shall
The exterior thermal envelope contains a.continuous airbarrier.
not be used as a sealing material,
requirements
Breaks or joints in the air barrier shall -be -sealed.
Ceilinglattic
The air barrier In any dropped ceiling/soffit shall be aligned with
The insulation in any dropped ceilinglsoffit
the, insulation and any gaps in the air barrier shall be sealed.
shall be aligned with the airbarrier.
Access openings, drop down stairs or knee wall doom810
unconditioned attic spaces shall be sealed. 3
Walls
The junction of the foundation and sill; plate shall be sealed.
Cavities within comers and headers of frame walls
The junction of the top plate and the top of exterior walls shall be
shall be insulated by completelyfilling the cavity
sealed.
with a material having a thermal resistance of R-3
Knee walls shall be sealed.
per inch minimum.
Exterior thermal envelope insulation for framed
walls shall be installed in substantial contact and
continuous alignment with the air barrier.
Windows, skylights
The space between window/doorjambs and framing, and
and doors
skylights and framing shall be sealed.
Rim joists
Rim joists shall Include the airbarrier.
Rim joists shall be insulated.
Floors
The air barrier shall be installed at any exposed edge of
floor framing cavity, insulation shall be installed to
(including
insulation.
maintain permanent contact with the underside of
above -garage
subfloor decking, or floor framing cavity' insulation
and cantilevered
shall be permitted to be.in contact with the top side
floors)
of sheathing, or continuous insulation installed on
the underside of floor framing and extends from the
bottom to the top of all perimeter floor framing
members.
Crawl space walls
Exposed earth in unvented crawl spaces shall be covered with
Where provided instead of floor Insulation, insulation
a Class i vapor retarder with overlapping joints taped. :
shall be permanently attached to the crawispace
Shafts, penetrations
Duct shafts, utility penetrations, and flue shafts opening`to
exterior or unconditioned space shall be sealed.
Batts in narrow cavities shall be cut to fit, or narrow
cavities shall be filled by insulation that on
Narrow cavities
installation readily conforms to the available cavity
spaces,
Garage separation
Air sealing shall be provided between the garage and conditioned spac
as.
Recessed lighting
Recessed light fixtures installed in the building thermal envelope
Recessed light fixtures installed in the building
shall be sealed to the drywall.
thermal envelope shalt be air tight and 1C rated.
Plumbing and wiring
Batt insulation shall be cut neatly to fit around wiring
and plumbing In exteriorwalis, or insulation that on
installation readily conforms to available space shall
extend behind Riping and wiring,
Showeritub
The air barrier Installed at exterior wails adjacent to showers and
Exterior wails adjacent to showers and tubs shall
on exterior wail
tubs shall separate them from the showers and tubs.
be insulated.
Electrical/phone box or
The air barrier shall be installed behind electrical or communication
exterior walls
boxes or air -sealed boxes shall.be installed.
HVAC register boots
HVAC register boots that penetrate building thermal envelope shall
be sealed to the sub -floor or drywall.
Concealed
When required to be sealed, concealed fire sprinklers shall only be
sprinklers
sealed in a manner that is recommended by the manufacturer.
Caulking or other adhesive sealants shall not be used to fill voids
a. in aaartion, inspection or tog waus snau oe in accoroance wan me provrswns or w%�-qvu:
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Builder: Community: Lot: NA
Address: 217 SCHOONER LANE
City: DUCK KEY State: FL Zip:
Duct Leakage Test Result S (� Prescriptive llfle hod O Peir%rmance/ERl Method
System 1
cfm25
System 2
cfm25
System 3
cfm25
Sum of any
cfm25
Total of all
cfm25
+ 1548 = Qn
Total of all Total Conditioned
systems Square Footage
1-1 PASS [-]FALL
Duct tightness shall be verified by testing in accordance with ANSI/RESNE T/1CC380 by either individuals as defined in Section
553.993(5) or M, Florida Statutes, or individuals licensed as set fort hI.n Section 489.105(3)(% (g) or (i), Florida Statutes.
Testing Company.
F.
Company Name: Phone:
I hereby verify that the above duct leakage testing results are in accordance with the Florida Building Code requirements with the
selected compliance path as statedabove, either the Prescriptive Method or Performance Method.
Signature of Tester. Date of Test:
Printed Name of Tester.
License/Certification # Issuing Authority:
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Envelope Leakage Test Report (Blower Door Test)
Residential Prescriptive, Performance or ERI Method Compliance
2017 Florida Building Code, Energy Conservation, 6th Edition
}
Jurisdiction: Permit #:
Ie
Job informatiol� r
Builder. Community: Lot: NA
Address: 217 SCHOONER LANE
City: DUCK KEY State:: FL Zip:
AIr Leakage'est Results Passing results rriustmeet 6ierthe Perlorrrraace, Prescr►pfirrERl
e, oMefhotl
0' ' RRESCRIP711iE METHOD The building or dwelling unit sha4 be tested and .veriRed'as having'an air leakage rate of not exceeding 7' air
changes 11our at a pressure;of 04 inch w g (50 Pasgi§) m CAmate Zones 1 and 2
Q PERFORMANCE or ERI METHOD The building or dwelling unit shall)be tested and ver>fied as having an air leakage rate of not exceeding
the selected ACH(50) value, es shown on Form R4Q5-2017 (Petformancej or R406 2017 (ERI), sea'ion labeled'as infiltration sut>sechon,ACH50.
RGH(50) spegffled on Form R405=20fT Energy Ce(c (Performance) &R4064017 (ERI):' 4.651
X '60 + 15480 Method for calculating building volume:
CFM(50) Building Volume ACH(50)
0 Retrieved from architectural plans
F]PASS . Code software calculated
When ACH(50) is less than 3, Mechanical Ventilation installation 0 Field measured and calculated
must be verified by building department.
R402.4.1.2 Testing. Testing shall be conducted in accordance with ANSIIRESNETACC 38Q and reported at a pressure of 02 inch w.9.(50 Pascals)
Testing shall be conducted by either individuals as defined in Section 553.993(5) or (7), Florida Statues,orindividuals licensed as set forth in Section
489.105(3)(9, (g), or (i1 or approved third party. A written report of the results of the test shay be signed by the parry conducting the test and
provided to thecode official, Testing shall be performed at any time after creation of all penetrations of the building thermal envelope:
During testing:
1. Exterior windows and doors, fireplace and stove doors shall be closed, but=,noi sealed, beyond the intended weatherstripping or other infiltration
control measures:
2. Dampers including exhaust, intake, makeup air, back draft and flue dampers shall be closed, but not sealed beyond intended infiltration control
measures.
3. Interior doors, if installed at the time of the test, shalt be open.
A. Exterior doors for continuous ventilation systems and heat recovery ventilators shall be closed and sealed.
5. Healing and cooling: systems, if installed at time of the test, shall be fumed off.
6. Supply and return registers, if installed at the time of the test, shall be fullyopen.
Testing Company {
T .-
su .,... . ,:, ., ..: •- ... ._ fir' .. ,. ,a..,. -•.... £ .a: v..,. ,.'
Company Name: Phone:
I hereby verify that the above Air Leakage results,are in accordance:with the 2017 6th Edition Florida Building Code
Energy Conservation requirements according to the compliance method selected above.
Signature of Tester. Date of Test:
Printed Name of Tester:
License/Certification 4P Issuing Authority.:
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Florida Building Code, Energy Conservation, 6th Edition (2017)
Mandatory Requirements for Residential Performance, Prescriptive and ERI Methods
ADDRESS: 217 SCHOONER LANE Permit Number.
DUCK KEY, FL,
MANDATORY REQUIREMENTS See individual code sec#ions for full details.
SECTION R401 GENERAL
a R401.3 Energy Performance Level (EPL) display card (Mandatory). The building official shall require that an energy performance level (EPL)
display card be completed and certified by the builder to be accurate and correct before final approval of the building for occupancy. Florida law
(Section 553.9085. Florida Statutes) requires the EPL display card to be included as an addendum to each saes contract for both presold and
nonpresoid residential buildings. The EPL display card containsi information indicating the energy performance level and efficiencies of components
installed in a dwelling unit. The building official shall. verify that the EPL display cans completed and signed by: the builder accurately reflects the plans
and specifications submitted to demonstrate code compliance for the building. A copy of the EPL display card can be found in Appendix RD.
9402.4 Air leakage(Mandatory). The building thermal envelope shall be constructed to limit air leakage in accordance with the requirements of
Sections R402.4.1 through R402.4.5.
Exception: Dwelling units of R 2 Occupancies and multiple; attached single family dwellings shall be permitted to
comply with Section C402.5.
R402.4.1 Building thermal enveloftie building thermal envelope shall comply with Sections-R402.4.1.1 and R402.4.1.2.
The sealing methods between dissimilar materials shall allow for differential expansion and contraction.
R402.4.4.1 Installation.The components of the building thermal envelopeas listed in Table R402.4.1.1 shall be installed in accordance
with the manufacturers instructions and the criteria listed in Table R402.4.1:1, as applicable to the method of construction. Where required
by the code official, an approved third party shall inspect all components and verify compliance.
0 R402.4.1.2 Testing. The building or dwelling unit shall be tested and verified as having an air leakage rate not exceeding seven air
changes per hour in Climate Zones 1 and 2, and three air changes per hour inClimate Zones 3 through 6. Testing shall be conducted in
accordance With ANSURESNE?/ICC.380 and reported at.a pressure of 0.2 inch w.g. (50 pascals). Testing shall be conducted by either
individuals as defined in Section 553.993(5) or (7), Florida Statutes, or individuals licensed asset forth in Section 489.105(3)(0, (g) or (i) or
an approved third party. A written report of the results of the test shall be signed by the party conducting the test and provided to the code
official. Testing shall be performed at any time after creation. of all penetrations of the building thermal envelope.
Exception: Testing. is not required for additions, alterations, renovations, orrepairs, of the.building thermal envelope of existing
buildings in which the new construction is less than 85 percent of the building' thermal envelope.
During testing:
1. Exterior windows and doors; fireplace and stove doors shall be closed, but not sealed, beyond the intended weatherstripping or
other infiltration control measures.
2. Dampers Including exhaust, intake, makeup air, backdraft and flue -dampers shall be closed; but not sealed beyond Intended
infiltration control measures.
3. Interior doors. if installed at the time of the test, shall be open.
4. Exterior doors for continuous ventilation systems and heat recovery ventilators shall be closed and sealed_
5. beating and cooling systems, if Installed at the time of the test, shall be turned off.
6. Supply and return registers, if installed at the time of the test, shall be fully open.
R402.4.2 Fireplaces. New wood -burning fireplaces shall have tight -fitting flue dampers ordoors, and outdoor combustion air. Where
using tight -felting doors on factory -built fireplaces listed and labeledin accordance with UL 127, the doors shall be tested and listed for the
fireplace. Where using tight -fitting doors on masonry fireplaces, the doors shall be listed and labeled in accordance with UL 907.
ci R402.4.3 fenestration air leakageWindows, skylights and sliding glass doors shall have an air infiltration rate of no more than 0.3 cfm per
square foot(1.5 Us/m2), and swinging doors no more than 0.5 cf n per square foot (2.6 1Js/m2), when tested according to NFRC 400 or
AAMA/ WDMA/CSA I01/1,S.2/A440 by an accredited, independent laboratory and listed and labeled by manufacturer.
Exception: Site -built windows, skylights and doors.
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MANDATORY REQUIREMENTS - (Continued)
a,R402.4A Rooms containing fuel -burning appliances. In Climate Zones 3.through 8, where open combustion air ducts provide combustion air to
open combustionfiuel.bumfng appttaaoes, the.appiiances:and combustion air operiingshall be located outside. the buitding thermal envelope or
enclosed in a room, isolated from inside the thermal envelope. Such rooms shall be seated and insulated°in accordance with ':the envelope requirements
of Table R402.1.2, where the walls, floors and ceilings shall meet not less than the basement wa1iR•value requirement: The door into the room shall be
fully gasketed and any water lines and duds in the room Insulated in accordance with'Section.R401 The combustion air duct shall be insulated where It
passes through conditioned space to a minimum of R=8.
Exceptions:
1. Direct vent appliances with both intake and exhaust pipes installed continuous to the outside.
2. Fireplaces and stoves complying with Section R402A.2 and Section R10061-of the Ftorida;t3uilding Code, Residential.
Q R402.4.5 Recessed lighting. Recessed luminaires installed in the building thermal envelope shall be sealed to limit air,leakage
between conditioned and -unconditioned spaces. All recessed, luminaires shalt:;be IC -rated and labeled as having an air leakage -rate not
more than2.0 cirri (0.944 Us) -when. tested in accordance wHh ASTME283 at,"a 1.57 psf (75 Pa) pressure differential. Ali recessed
luminaires shall be sealed with a gasket or caulk between the housing and the interior wall at calling covering..
SECTION R403 SYSTEMS
R403.1 Controls.
R403.1.1 Thermostat provision (Mandatory). At least one thermostat shall be provided for each separate heating and cooling system.
0 R403.1.3 Heat pump supplementary heat (Mandatory). Heat pumps having -'supplementary electric -resistance heat shall have controls
that, except during defrost, prevent supplemental=heat operation'whenthe heat pump compressor can meet the Heating load.
R403.3.2 Seating (Mandatory) All ducts, air handlers, filter boxes and building cavities that form the primary. air containmentpassageways
for air distribution systems shall be considered ducts or pienum.chambers, shall be constructed and>sealed in accordance with Section
.C403.2.9.2 of the Commercial Provisions of this code and shallbe shown to 'meet duct tightness criteria below.
Duct tightness shall be verified by testing in accordance with AN$HRESNET/ICC 380 by either individuals as defined in Section 553.993(5) or
(7). Florida Statutes,- or individuals licensed as set forth in Section 460.105(3M, (g) or (t), Florida Statutes; to. be "substantially leak free" in
accordance with, Section R403 3.3.
a R403.3.2.1 Sealed air handler. Air handlers shall have a manufacturer's designation for an air leakage of no more than 2 percent
of the design airflow rate when tested in accordanoe.with ASHRAE 193.
rl R403.3.3 Duct testing (Mandatory). Ducts shall be pressure tested to determine atrleakage by one.of thefnliowing methods:
1_ Roughdn test Total leakage shall be measured with a;pressure differential of 0;1 inch w.g; (25 Pa) -across the system, including the
manufacture'stair handler enclosure -ifinstalled at the1irte:of the test. An registers shall be taped or otherwise seated during the test.
2. Postconstructiontest: Total leakage shall be measured with a pressure differential of 0.1 inch w.g. (25,Pa) across the
entire system, including the manufacturer's air handler enclosure. Registers shah be taped or otherwise sealed during the
test.
Exception.
1. A duct air leakage test shall not be required where the ducts and air handlers are located,enbrely within the building
thermal' envelope.
2. Duct testing is not mandatory for buildings cornplying'by Section 405. of this code..
A written report of the results of the test shall be signed`cbythe party conducting thwtest and provided to the code official.
R403.3.5 Building cavities (Mandatory). Building framing cavities shall.not;be used as ducts orplenums.
o R403.4 Mechanical system piping insulation (Mandatory). Mechanical system piping capable of carrying fluids above 105'F (41 °C)
or below 551F (13'C) shall be Insulated to a minimum ofR 3.
a R403,4.1 Protection of piping Insulation. Piping insulation expand to weather shall be protected from damage, including that
caused by sunlight, .moisture, equipment maintenance and wind, and shall. provide shielding from solar radiation that can cause
degradation ofthe material. Adhesive tape shall not be permitted.
R403.5.1 Heated water circulation and temperature maintenance systems (Mandatory). Heated water circulation systems shall be in
accordance with Section R403.5.1.1. Heat trace temperature maintenance systems shall be In accordance with Section R403.5.1.2.
Automatic controls: temperature. sensors and pumps shall be accessible. Manual controls she be readily accessible.
R403.5.1.1 Circulation systems. Heated water circulation systems shall be provided with a circulation pump. The system return
pipe shall be a dedicated return pipe or A cold water supply pipe. Gravity and thenmosiphon circulation systems shall be prohibited.
Controls for circulating hot water system pumps shallstart:the'pump based onthe identification of a demand for trot water within the
occupancy. The controls shall automatically turn off the pump when the water In circulation loop Is at the desired temperature and
when there Is no demand for hot water.
Q R4035.1:2 Heattrace systems. Electric heat trace systems shall comply with IEEE 515.1 or UL 515. Controls for such systems
shall automatically adjust the energy input to the heat tracing, to maintain the desired water temperature in the piping In accordance
With the times when heated water is used in the occupancy.
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MANDATORY REQUIREMENTS - (Continued)
1-1 R403.5.5 Heat traps (Mandatory). Storage water, beater not equipped with Integral heat traps and having vertical pipe risers shall have
t_1 heat traps installed on both the inlets and outlets. External heat traps shall consist of either a commerdaliyavailable heat trap Ora
downward and upward bend of at least 3'! Inches (89 mm) in the hot.water distribution line and cod waterline, located as close as possible
to the storage tank.
R403.5.6 Water beater efHcienctes(Mandatory).
R403.5.6.1.1 Automatic controls. Service water -heating systems shall be'equipped with automatic temperature controls capable
of adjustment from the lowest to the highest acceptable temperature settings for the Intended use: The minimum temperature
setting range snail be from I00'F'to 140-F (38°Cto 60°6).
R403.5.6.1.2 Shut down. A separate switch or a clearly marked circuit breaker shall be provided to permit the power supplied to
electric service. systems to be turned off. A separate valve shall be provided to permit the energy supplied to the main bumer(s) of
combustion types of service water -heating systems to be tumed ;off.
R403.6.6.2 Water -heating equipment Water -heating equipment installed in residential units shall meet the minimum efficiencies of
Table 0404.2 in Chapter 4 of the Florida Building Code, Energy Conservation, Commercial Provisions, for the type of equipment installed.
Equipment used to provide heating functions as part of a combination, system shall satisfy all stated requirements for the appropriate
water -heating category. Solar water heaters shall meet the criteria of Section R4015.6.2.1.
R403.5.6:2.1 Solarwater-heating systems. Solar systems for domestic hot water production are rated by the annual solar energy
factor of the system. The solar energy factor of.a system snail be determined from the Florida Solar Energy Center Directory of
Certified Solar Systems. Solarcoilectom shall be tested fri accordance with ISO Standard 9806, Test Methods for Solar Collectors,
and SRCC Standard TM-1, Solar Domestic Hot Water System and Component Test Protocol. Collectors in installed solar
water -heating systems should meet the following criteria:
1. Be installed with atilt angle between l0, degrees and 40 degrees of the horizontal;. and
2. Beinstalled, at an orientation within 45.degrees of true south,.
R403.6 Mechanical ventilation (Mandatory). The building shall be provided with ventilation. that meets the requirements of the
Florida Building, Code,. Residential, or Florida Building Coale, Mechanical, as applicable, or other approved: means of ventilation
including; Natural, Infiltration or Mechanical means. Outdoor air intakes and exhausts shall have automatic or gravity dampers that
dose when the ventilation system is not operating.
11403.6.1 Whole -house mechanical ventilation system fan efficacy. When installed to function a whole -house mechanical
ventilation system, fans shall meet the efficacy:requirements of Table R403.6.1.
Exception: Where whole=house mechanical ventilation fans, are integral to tested and listed HVAC equipment, they shall be
powered by an electronically commutated motor.
R403.6.2 Ventilation air. Residential buildings designed. to be:operr~ated at a positive Indoor pressure or for mechanical ventilation
shall meet the following.criteria:
1. The design air change per hour minimums for residential buildings in ASHRAE 62.2; Ventilation for Acceptable
Indoor Air Quality, shall be the maximum rates allowed for_tesidential applications.
2. No ventilation or air-conditioning system make-up air shall be provided to conditioned space from attics,
rrawispaces, attached enclosed garages or outdoor spaces adjacent to swimming pools or spas.
3, if ventilation air Is drawn from enclosed spaae(s), then the walls of thespace(s) from which air indrawn shall be
Insulated. to a_minimum of R 11 and the ceiling shall be insulated to a minimum of R 19. space permitting, or R-10
otherwise.
R403.7 Heating and cooling equipment (Mandatory).
R403.7.1 Equfpmentsizing. Heating and cooling equpmei
equipment loads calculated in accordance with ACCA:Manuat
based on building loads for the directional orientation of the bt
indoor units (if split system) shall ;be submitted along with the;
described in Section R302.1. This Code does not allow desigr
affect. equipment sizing. Systemsizizing calculations shall.not Ir
as standard kitchen and bathroom exhaust systems. New or n
rating equal to or greater than the minimum required byfedera
shalt be sized In accordance with ACCA Manual S. based on the
or other approved heating and cooling calculation methodologies,
ling. The manufacturer and model number of the outdoor and
risibteand total cooling topacitles at the designconditions
r safety factors,,provisions for future expansion. orother factors that
lude loads created by local.intermittentmechanical ventilation such
lacement heating and cooling.equipment shall have an efficiency
aw for thegeographic location where'the equipment Is installed.
TABLE R403.6.1 .,
WHOLE -HOUSE MECHANICAL VENTILATION SYSTEM FAN EFFICACY
FAN LOCATION
AIRFLOW C RATE MINIMUM
MIN`MUUM EF ICACY a
m
AIRFLOW RATE MAXIMUIV
(CFM)
Range hoods
Any
2.8 cfrrdwatt
Any
In -line fan
Any
2.8 cfm/watt
Any
Bathroom, utility room
10
1A cfmlwatt
<90
Bathroom, utility room
90
2 8 cfmlwatt
Any
For SI: 1 dm = 28.3 Umin, a. When tested in accordance with HVI Standard 916
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Page 3 of
MANDATORY REQUIREMENTS - (Continued)
ElR403.7.1.1 Cooling equipment capacity. Cooling only equipment shall be selected so that its total capacity is not less
than the calculated total load but not more than 1.15 times greater than the, total load calculated according to the procedure selected in
Section 403.7. or the closest available size provided by the: manufacturer's°product lines. The corresponding latent capacity of the
equipment shall not be less than the calculated latent load.
The published value for AHRI total capecity'is a nominal, rating -test value and shall not be used for equipment sizing. Manufacturers
expanded performance data shall be used to select cooling -only equipment. This selectionshalt be based an the outdoor design dry-bulb
temperature for the load calculation (or entering water temperature for water -source equipment), the blower CFM provided by the expanded
performance data,, the design value for entering wet -bulb temperature and the design value for entering dry-bulb temperature.
Design values for entering wet -bulb and dry-bulb temperatures shall be for the indoor dry bulb and relative humidity used for the load
calculation and shall be adjusted for return side gains .if the return duct(s) is installed in an unconditioned space.
Exceptions:
1. Attached single- and multiple -family residential equipment sizing may be selected so that its cooling capacity is less than the
calculated total sensible load but not less.than 80 percent of that load.
2.
When signed. and sealed by a Florida=registered engineer, in attachedsingle- and multiple -family units, the capacity of
equipment may slzed in accordance with good design practice.
R403.7.1.2 Heating equipment capacity.
R403.7.1.2A Heatpumps. Heat pump sizing shall be based on the cooling requirements as calculated according to SectionEl .
R403.7.1.1, and the heat pump total cooling capacity shall not.be more than 1.15 times greaterthan the design cooling load even if
the design heating load is 1.15 times greater than the design cooligTload.
❑ R403.7.1.2.2 Electric resistance fumaces. Electric resistance;fumaces shall be sized within 4 kW of the design
requirements calculated according to the procedure selected in Section R403.7.1.
❑ R403.7.1.2.3 Fossil fuel heating equipment. The capacity of fossil fuel heating equipment with natural draft atmospheric burners
shall not be less than the design load calculated in accordance with Section R403.7.1.
❑ R403.7.1.3 Extra capacity required for special occasions. Residences requiring excess cooling or heating equipment capacity on an
intermittent basis, such as anticipated additional loads caused by major entertainment events, shall have equipment sized or controlled to
prevent continuous space cooling or heating within that space by one or more of the following options:
1. A separate cooling or heating system is utilized to provide cooling or heating to the major entertainment areas.
2. A variable capacity system sized focoptimurn performance during base load periods is utilized.
R403.8 Systems serving multiple dwelling units (Mandatory). Systems serving multiple dwelling units shall comply with Sections
Cl C403 and C404 of the IECC—Commercial Provisions in lieu of Section k403:
❑ R403.9 Snow melt and ice system controls (Mandatory) Snow- and ice -melting systems, supplied through energy service to the building,
shall include automatic controls capable of shutting off the system when the pavement: temperature is above 50'F (10'C), and no
precipitation is failing and an automatic or manual control that will allow: shutoff whenthe outdoor temperature is above 40'F (4:8"C).
R403.10 Pools and permanent spa energy consumption (Mandatory). The energy consumption of pools and permanent spas
shall be in accordance with Sections R403.10.1 through R403.10.5.
❑ R403.10.1 Heaters. The electric power to heaters shall be controlled by a readily accessible on -off switch that.is an
integral part of the heater mounted on the exterior of the heater, or external to and within 3 feet (914 mm) of the heater. Operation
of such switch shall not change the setting of the heater thermostat. Such switches shall bean.Addition to a circuit breaker for the
power to the heater. Gas -fired heaters shall not be equipped with` continuously burning ignition pilots.
❑ R403.10.2 Time switches. Time switches or other control methods that. can automatically turn off and on according to a preset schedule
shall be installed for heaters and pump motors. Heaters and pump motors that have built-in time switches shall be In with this
section.
Exceptions:
1. Where public health standards require.24-hour pump operation.
2. Pumps that operate solar- and waste -heat -recovery. pool heating systems.
3. Where pumps are powered exclusively from on -site renewable generation.
R403.10.3 Covers. Outdoor heated swimming pools and outdoor permanent -spas shall be equipped with a vapor -retardant cover on or at
❑ the water surface or liquid cover or other means proven to reduce heat loss.
Exception: Where more than 70 percent of the energy for heating, computed over an operation season, is from site -recovered
energy, such as from a heat pump or solar energy source, covers or other vapor -retardant means shall not be required.
R403A0.4 Gas- and oil -fired pool and spa:heaters. All gas- and`o l-fired pool and spa heaters shall have a minimum thermal
❑ efficiency of 82 percent for heaters manufactured on or after April 16 u2013, when tested in accordance with ANSI Z 21.56. Pool
heaters fired by natural or LP gas shall not have continuously burning; pilot lights.
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R403.10.5 Heat pump pool heaters. Heat pump pool heaters shall have a minimum'COP of 4.0 when tested in accordance
with AHR11160, Table 2, Standard Rating Conditions -Low Air Temperature. A test report from an independent laboratory is
required to verity procedure compliance. Geothermal swimming pootheat pumps are not required to meet this standard.
R403.11 Portable spas (Mandator0e energy consumption of electrio-powered portable spas shall be controlled by the
requirements of APSP-14.
SECTION R404
ELECTRICAL POWER AND LIGHTING SYSTEMS
R404.1 Lighting equipment (Mandatory). Not less than 75 percent oi+the lamps In permanently installed lighting fixtures shall be
high -efficacy lamps or not'less than 75 percent of the permanently installed lighting fixtures shalt contain only high -efficacy lamps.
Exception: Low -voltage lighting.
R404.1.1 Lighting equipment (Mandatory). Fuel gas lighting systems shall not have continuously burning pilot lights.
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