|
STATE E� ER�Y ��DE REQIJIREMENT� - PERS� RIPTIVE D � . ��
<br /> � � � � .
<br /> m _.,.
<br /> Specific insulation requirements (Prescriptive) . In additton ta the requirements of Section R4Q2.4.1.2 Testing, The building or dwelling unit shall be tested and veri�ied as having an 2. Rough-in tes�: Total leQkage shall be less than or equal to 4 cfm (113.3 � =
<br /> TABLE R402.1 .1 : INSULATIOh1 AND FENSTRATION R402.T, insulation shall meet the s ecific re uirements of Sections R4f32.2.1 throu h air lec�ka e rate of not exceedin 5 air chan es er hour. Testin shall be cQnducted
<br /> REVISED AS PER P G 9 9 9 9 P 9 L/min} per 10(} square feet (9.29 m2) 4f conditic�ned flaor area when tested a# a � �
<br /> REQUIREMENTS BY COMPONEf�T R402.2.12. with a blower doar at a ressure of 0.2 inches w. 50 Pascals , Where re uired b �
<br /> QPT�QN tia p 9• � ) q Y pressure differential of n
<br /> - CLIM ATE Z�N E 4 � -� the cade official, tes#ing shall be canducted by an approved third party, A written 4,1 inches w.g. {25 Pa) across the system, includinq the manufacturer's air handler ro ,
<br /> Ceilings with �ttic spaces. When Section R402.1.1 would require R-38 in the ceiling, R-30 report of the results af #he tes� shall be signed by the party c�nducting the test enclosure. All registers shall be taped or otherwise sealed during the test. If the air x
<br /> FENESTRATION U-FACTOR {}.3Q Q,�g shall be deemed ta satisfy tl�e requirement for R-3� wherever the full height of und provided to the code official. Testing shall be performed at any tim� after handler is not installed at the time of the test, total leakage shall be less than or Q
<br /> uncompressed R-30 insulation extends over the wall top plate at #he eaves. Similarly, creation o# all penetrations of the building thermal envelope. Once visual inspection equal to 3 cfm (85 L/min) per 10fl square feet (9.29 m2) of eanditiflned floor area. � �
<br /> R-38 shall be deet�r�ed to satisfy the requirement for R-49 v�herever the full ;height has con�rmed sealing (see TQlale R402.4.1.1), operoble windaws and doors � :
<br /> SKYLIGHT U-FACTOR �.J� of uncompressed R-3$ insulatir�n extends a�er the woll top �late at the eoves. This r�anufactured by small business shall be permitted to be sealed off at the frame Exceptio�: The total I�akage test is not required for ducts and air handlers Iocated °
<br /> reduction shafl not apply to the U-factor alternative approach in Section R402.1.3 prior ta the test. entirely within the building #hermal envelape. Ducts located in crawl spaces do not �'
<br /> GLAZED FENESTRATI01�1 SHG� NR and the total uA alternative in SeGtion R402.i.4. qualify far this exception. J
<br /> During#esting:
<br /> R402.2.1.1 Loose insulatis�n in attic spaces. Op�:n-blown or paured loose fill insuletion may be 1, Ex#erior windowS and doors, �replace and stove doars shall be closed, but not R403.2.2.1 Sealed air handler. Air handlers shall have a m�nufacturer`s desi nation far �n
<br /> CEILING R-VALUE 4� used in at#ic spaces where the slope of the ceiling is not more than 3 feet in 12 sealed, beypnd the intended weatherstripping or other infiltration control msasures; �
<br /> �nd there is at least 34 inches of clear distance fram the top of the bottom chord 2, pam ers includin exhaust, intake, makeu air, backdra#t and flue dam ers shall air leakag� of no more than 2 percent of the desfgn air flow rate when tested in
<br /> Of tFtE truss or ceilin oist to the underside of the shea#hin at the roaf rid e. � � p P aecordanee with ASHRAE 193.
<br /> WOOD FRAMED WALL R-VALUE 21 INT � � � � be clos�d, but not sealed b�yond intended infiltration control measures;
<br /> 3. Interior daors, if installed at the tima o# the test, shall be open, access hatches R403.2.3 Building cavities (Mandatory} . Building framing cavities shall not be used as ducts p
<br /> R4Q2.2.3 Eave baffle. For air permec�ble ta c4ndition�ed crawl spaces and conditioned Qttics shall be open;
<br /> insulatians in ventsd attics, a baffle shall be installed ad acent to soffit and eave or plenums. Installation of ducts in exterior walls, floors or ceilings shall rtat displace
<br /> MASS WALL R-VALUE 21 f 21 ��� 1 4. Exterior openings for continuaus ventilation systems and heat recovery �
<br /> vents, Baffles shQll mointain an o�aening equol or greoter than the size of the vent. ventilators shall be closed and sealed; required envelope insulation, z
<br /> The ba#fle shcall extend av�r the top of the attic insulatic�n. The baffle shr�ll be 5. Heating and coaling systems, if installed at the time of ths test, shall be �
<br /> FLOOR R-VALUE R-3Q R-38 permit#ed to be any solid materiol. turned aff; and R403.3 Mechanical system piping insulation (�tandatory) . Mechc�nical system piping capable of �
<br /> 6, Supply �nd return registers, if installed at the time of the test, shall be fully carrying fluids above 105'F (41'C) or below 55'F (13'C) shall be ir�sulated to a
<br /> BELOW GRADE WALL R-VALUE 1 d f 15�2� INT +TB �4Q2•2.4 Access hatches and doars. Access doors frarn canditioned spaees to unconditioned �,p�n, minimum of R-6. �/,�
<br /> spaces (e.g., attics and �rawl sRaces) shull be w�atherstripped and insulated ta a R403.3.1 Proteetion of piping insulation. Piping insulation exposed to weather shall be �
<br /> lev�l equivalent #o the insul�t�ian c�n the s�rrrQunding s�rfaces. Access shall be R4o2,4.2 Fireplac�s. New wood-burning fireploces shall have tight-fitting flue dampers protected from domage, inGluding that caused by sunlight, moisture, equipment �
<br /> SLAB R-VALUE AND DEPTH � Q, 2FT pravided to all equipment fhat prevents damaging or cvmpressing the insulation. A and autdoor combustion air. maintenonce, and wind and shall rovide shieldin from solar radib#ian that can
<br /> wood framed or equivalent baffle or retainer is required ta be pravided when loc�se fill � P 9 �
<br /> insulation is instsalled, the purp�se of which is to prevent the loose fill insulation fram F�4Q2.4.3 Air leakage of fenestratican, Windcaws, skylights and sliding glass doors shall have an cause degradation of the material. Adhesive tppe shall not be permitted. `
<br /> spilling into the living space when the at#ic access is opened, and #Q provide a air in�ltration rate of no more than 0.3 cfm per square foot (1.5 L/s/m2}, and � �
<br /> permanant mec�ns of maintaining the installed R-value of the loose fill inse�lation. R403.4 Service hot water systems. Energy conservotion measures for service h�t water
<br /> section R406,2 Addtional energy efficiency requirements (Mandatory) - Each dwelling unit in one- swinging doors no more thpn 0.� efm per �quare foot (2.6 L f s f m2), when tested systems shall be in accardance with Sections R4�3.4.1 and R403.4,2,
<br /> and two-family dwellings and tawnhouses, as defined by the IRC, shall comply with according to NFRC 4p0 or AAMAjWDMAjGSA 101/I.S.2/A440 by an aecredited, �
<br /> R402.2.5 Mass walls. Mass walls for the purposes of this chapter shsall be cansidered
<br /> sufficient options from Table R4U6.2 so as to achieve #he follawing minimum credits: , ir�dep�ndent laboratdry and listed and lobeled t�y the manufacturer. R4a3.4.1 Circulating hot water systems (Mandatory) Cir�ulating hat water systems shall be � �
<br /> 1. Small Dwelling Unit: f}.5 poihts above-grade walls ofi concr�te block, concrete, insulated concrete form (ICF), •
<br /> 2. Medium Dwetling Unit. 1.5 pvints masonry ccavity, brick (other than brick ven�er}, eprth {c�dobe, compress�d earth Exceptions: hotvlwa er �c rculat n tA um c when hle s �tem I�s not in�u ewitch that can turn off the � � �
<br /> 9 P P YS s
<br /> 3. Lorge Dwelling Unit: 2.5 points block, rammed earth) and salid timberflogs. 1. Field-fabricated fenest�ation products �""� � �
<br /> (windows, skylights and dnars}, R403.42 Hat water pipe insulation (Prescriptive) . Insulatian for hot water pipe shall have a � � � �
<br /> This project is a Medium Dwelling Unit and will incorporate the fiollowing options ta achieve a 1.5 point credit: R402.2.6 Steel-frame ceilings, walls, ancl floors. Steel-frome ceillhgs, walls, and floors shall 2. Custom �xterlor fenestration prodUCtS manufactured by a smc]II bUsin�ss provlded minlmum thermal resistanCe (R-valu�� o#
<br /> meet the U-fiactor requirement:s of Table R402.1.3. the meet the a licable rovisions of Cha ta� 24 of the Internatianal Buildin Gode. � Qp
<br /> Y PP p P 9 R-4. ""'�
<br /> 1a- EFFICIENT BUILDIRiG �N�tELC1PE- R-38 �LaOR f�}St�L.ATI�N 3. Custom exterior windows and doors manufactured by a small business provided ""�
<br /> 3a- HIGH EFFICIENCY NVAC EQUIPMENT-AFUE 95°lo R�02.2.7 Floars. Floor insulation shpll be installed ta main#ain permanen# contact with the m�et the a licable rovisions of cha t�r 24 Qf the Internatiana) E3uildin Code. � � ..�
<br /> Y PP P P 9 R403.4.3 Electric water heater insulation. All electric water heaters in unheated spaces or on ■■
<br /> the underside of the subfloor decking. Insula#ion supparts shall be installed so Once visual ins ection has confirmed the resence of a asket e erabls windows c�nd � "
<br /> 5a- EFFICIENT WATER HEATING- MIN. EF 0.62 P P 9 � P concrete floars shall be placed on an incompressible, insulated surface with a �y �
<br /> spacing is no mare than 24-inches on center. Found�tion vents �hall be placed sa doo r s m p n u f a c t u r e d b y �m a l l b u s i n s s s s h a l l b e p e r m i t t e d t o b e s e a l e d o f f a t t h e m i n i m u m t h e r m a l r e s i s t q n c e o f R-1 0. t� � � °
<br /> that the #op of the vent is below the lower surface of the floor insulation. frame prior to the test. � �C .
<br /> R403.5 Mechanical ventilation (Mandatory) . The building shdll be provided with ventildtion � �
<br /> Exceptions: R402.4.4 Recessed lighting. Recessed luminaires installsd in the building thermal envelope that meets the requirements af the Internatianal Residen#ial Gode ar Internatianal � � � �
<br /> 1. 'When foundation vsnts are nat placed so shall be Ty{ae IC-rated and certified under ASTM E2$3 c�s having �n air leakage rate M£Cf1CJhICUI COCjB� as applicable, or with other approved means af ventilation. Outdoor � �
<br /> CERTIFICATE - A ermanent certi#icate shall be com leted and asted on or within that the top of the vent is belcr�r the low�r surface af the floor insulotion, a not more than 2.� cfm 0,944 L s when tested at a 1.57 sf 75 Pa ressure �
<br /> p p �' ermanentl attached baffle shall be installed at an an le of 30` from harizantal to � l � p � } �' air intakes and exhausts shall have autamatic ar gravity dampers that close when � � Q� �■■�
<br /> three feet of the electrical distribution panel. p y 4 3 differential and shall have a label attached showing compliance with this test method. the ventilatian system is not operating. � Zr ,..,,�
<br /> divert air flow belaw the lawer surface af the floor insulation. All recessed luminaires shall be sealed with a gasket or caulk between the housing � � .
<br /> 2. Substantia) contact with the surface beir�g insulated is nat required in enclosed and the interior wc�ll or eeiling covering. R403.5.1 VNhole-house mechanical ventilation system fan efficacy, Mechanical ventilation system Q � � ■
<br /> Addikions, alterations, renovations or repairs. Additior�s, �alterations, renavations or repairs ta an floor/ceiling a�semblies containing tlucts where ful) R-value insulation is installed fans shall meet the ef�cacy requirements 4f Toble R403.5.1. �
<br /> existing building, building system or por#ion thereaf sh�ll conform ta the provisians o# between the duct ond the exterior surfoce. R402.� Maximum fenestration U-factor and SHGC (Mandatory), The area-weighted average Exception: Where mechonical ventilation fans ore integral to tes#ed dnd listed HVAC � � �
<br /> this code as they relate ta nerv construction without requiring the unaltered maximum fenestration U-factar perrnitted using tradeoffs from Section R402.1.4 or equipment, they shall be powered by an electronically � � � � , '
<br /> portion(s) of the existing building o� building system to comply with this eode. ��Q2•2•8Basementwalls. Belaw-g�ade exterior wall insulation used on the exterior (cold} R4Q5 shall be 0.48 in Climote Zones 4 and 5 and Q.4Q in Climate Zones 8 through commutated motor. „y �► �i
<br /> Additions, alterations, renavations ar repairs shatl nat creat� an unsafe or haaardaus side afi #he wall shall extend fram the top of the belaw-gr�de wall ta the tap of the 8 for vertical fenestration, and 0.75 in Climote Zones 4 through 8 for skyiights, The � m
<br /> condition or overload existing �uilding s�st�ms. An addi#ian �hall b� deerr�ed to footing and shall be apprav�d for below-grade use. Abo�re-grade insul�tion shall be area-weighted average maximum fenestration SHGC permitted using tradeoffs from E�
<br /> comply with this code i� the additit�n alone complies ar if the existing building and protected. Insulatian us�d c�n the interi�r (warm) side afi the wall shs�tl extend from Section R�05 in Climate Zones 1 through 3 shall be 0.50. TABLE R403.5.1 - MECHANICAL vENTII._ATION SYSTEM E�FICACY � � rn m
<br /> addition comply with this e�sde as a single bwilding. the top c�f the belaw-grade wal) to the below-grode floar (evel and shall include R-5 FAN LOCATIQN AIR FLOW RATE MIN. (CF(Vp MIN. EFFIGACY (CFMNVA7Ta AIR FI.OW RATE �IAX. (CFNQ � �
<br /> Exception: The following need not camply provid�d the energy use af the building is ri�id board providing a thermal break between the cancrete wall and the slab. SECTION R4U3 RANGE H�ODS ANY 2.8 CFM YVATT ��Y � � �
<br /> not increased: SYSTEM� � � �
<br /> 1, Storm windows installed over existing fenestratian. R402.2.9 Slab-an-grade floors, The minimum thermal resistance (R-value) of the insulation IN-LINE FANS ,4NY 2.8 CFM/WATT ANY �p
<br /> 2. Glass only replacements in an existing sash cand frame. arQund the perimeter of unheated or h+�ated R�03.1 Gontrals (Mandatory). At least ane thermostat shall be provided for each s�parate BATHRO�M, UTIUTY ROOM 10 �,4 �FM fWq�' <90 � .
<br /> 3. Existing ceiling, wall or flQar cavities expased during canstruction provided that slab-on-grade floors shall be as specified in Table R402.1.1. The insulatian shall be heating and caoling sy5tem. BATHROOM, UTIUTY RO�M 90 2.g �F{� Wqn' ANY �
<br /> these placed on the outside of the foundatian or on the inside r�f the fc�undation wall. The / Q
<br /> cavities are filled with insulation. 2x4 framed walls shall be insulated ta a minimum insulafion shall extend R403.1.1 Programmable thermostat Where the primary heating system is a farced-air �
<br /> of R-15 and 2x6 framed walls shall ae insulated to a minimum of R-21. downward from #he tap of the slab for a minimum distance as shown in the table or furnace, at least one thermostat per dwelling unit shall be capable of controlling the � ,.
<br /> 4. Construction where the existing roof, wall or #loar cavity is nat exposed. to the tap of the heating and cooling system an a daily sch�dule to maintain different temperature set R4Q3.6 Equipment sizing {Mandatory) . Heating and cooling equipment sh411 be sized in
<br /> 5. Reroofing for raofs where neither the sheathing nor the insulatian is exposed. footing, whichever is less, or dawnward ta at least pain#s at different times of the day. The thermostat shall allow for, at a minimum� a accofdance with ACCA Manual S based on building loads calculated in accardance � ,
<br /> Roofs without insulation in the cavity and where fhe sheathing or insulatian is the battorn of #he slob and then horizontally to the interior or �xte�ior for th� tatal 5-2 programmable schedule (weekdays/weekends) and be capable of providing at with ACCA Manual J or other approved heating and caoling calculatian methodolagies. �
<br /> exposed during reroofing shall be insulated either obave or below #he sheathing. distance shawn in the table. A twa-inch by two-inch (maximum) pressure treated I�east twa progrc�mmable setback periads per day. This thermostat shall include the �
<br /> 6. Replacement of exis#ing doors that separa#e conditianed space from the exterior nailer may be placed at the finished #loar elevation for attachm�nt tif interior #inish capability to set back or temporarily operate the sys#em to maintain zane R403.7 Systems serving multiple dwelling units (Mandatory) . Systems serving multiple dwelling �
<br /> shall nat require the installation of a vestibule or revalving doar, provided, hawever, materials. Insula#ian extending away frs�rn th� building shall be protected by pavement temperatures down to 55'F (13'C) ar up to 85F (29'C), Th� thermastat shall initially units shall comply with Sectians C403 and C404 of the IECC--Commercial Provisions � �
<br /> thot on existing vestibule that sep4rates � conditioned spac� from the exterior shall crr by a minimum af 1Q i�ches (25A� mm) of soil, b� pr4grammed with a heating temperotu�e set point no highe� thqn 70'F (21'C) ond in lieu of Sectian R4�3,
<br /> not be removed. a cooling #emperatr�re set point no lower #han 78'F (26'C). TFke thermostat and f or
<br /> �2402.2.9.1 Fieated slab-an-grade floors R4Q3.8 Snaw melt systerrt contrnls (Mandatory) . Snow t�nd ice-r'nelting �ystems, supplied •
<br /> 7. Alterations that re lace Isss than 60 ercent of the luminaires in a s ace, control system shall have an adjustable deadband of not less than 10'F, throu h ener service to the buildin p
<br /> p p � (Mandatory). The entire area af a heated Exceptions: 9 9Y g, shall include autc�matic controls ca able af .
<br /> provided that such alterations do not increc�s� the installed interiar lighting power. slab-on- rade flaar shall be thermall isolated from the soil with a minimum of shutting off the system when the pavement temperature is above 5Q'F, and na
<br /> 8. Alterations that re lace onl the bulb and bail�st within the existin luminaires � � 1. Systems controlled by an occupant sensor that is capable o# shutting the
<br /> � y g R-10 insulation. precipitatian is falling and an automatic or manual control that will allow shutoff
<br /> in a s ace rovided thpt the alteration daes not increose the installed inte�ior systern aff when no c�ccupant is sensed for a periad af up to 3� minutes.
<br /> P P The insulation shall be an a raved roduct for its when the outdoor temperature is above 40"F.
<br /> lighting power. pR p 2. Systems controlled solely by a manually operated timer capable of operating the ,.
<br /> intended use. If a soil gas cantrol system is present below the heated slab-on-grade s tem far no more than twa hours. -�
<br /> The building officiql may ppprove designs of alterations or repairs which do not � R4Q3,9 Paols and in- round ermanentl installed s as "`"��� � � 3
<br /> full conform with all af the r� uir�ments of this code whers in the o inion of the flt�or� which r�sults in increased convective flow below the heated slob-on-grade g p y' p {Mandatary} . Paols and in-ground � a �,
<br /> y q � floor, the heated parmanently installed spas shall comply with Sectians R��33.9.1 through R403.9.4.2. � o � � m ar� `'
<br /> buildin officiol full eom liance i� h icall im assibl� and or econamicall im ractical R403.1.2 Meat pump supplementary heat (Mandatory). Unitary air cooled heat pumps shall
<br /> 9 P R Y�� Y � P / Y � P slcab-on-grade floor shall be thermally isolated from the sub-slab gravel layer. R-10 include controls that miRimize suppleme�tal heat usage du�ing start-up, set-up, and
<br /> and: h�at�� R4d3.9.1 Heaters. All hte�lters shall be equipped wi#h a readily accessibls on-off switch " � �-�' o �
<br /> 1. The alteration or r air im roves the ener efficienc of the kauildin ar defrost conditions. These controls shall anticipa#e need for hea# and use compression that is mount�d outside of the heater to qllow shuttin off the heater without �' ` � �' � �
<br /> �P p 9Y Y 9: slab-on-grade floar insulation is required fo� all complia�ce paths. heatin as the first sta e of heat. Cantrols shall indicote when su lemental heatin � � � � � � �' �
<br /> 2. The Qlteration or repair is energy �f#icient crnd is necessary fcar the health, � � pp � ad justing #he thermostat setting. Gas-fired heaters shall not be equipped with �' � � � _ •
<br /> is bein used thra� h visual means e. , LEd indicators Heat um s e ui ed with ` � �-' J" � �
<br /> safety, and welfare of the generc�l publi�. R402.2.91 Masonry veneer. Insulatian �hall no# be required on th� horizc�n#al portion of � � � �" �' p p � �'� constt�nt burning pilot lights. � � �?�� �; z � � �
<br /> supplementary heaters sha11 be installed with controls that prevent supplernental
<br /> the foundation that supparts a masonry veneer. � �� � r� z � � �
<br /> Mechanical systems. Wh�n � space-conditioning system is al�ered by the installotion or heater operation above 4�'F. At final inspection the auxiliary heat lock out cantrol R403.9.2 Time switches. Time switches ar other control method that car� automatically � ' � �' � p n m
<br /> re lacement of s ace-conditianin e ui rrtent includin re lacement of the air shall be set ta 35'F 4r less. turn off and on heaters and um s accordin to a reset schedula shall be instolled � � � � �
<br /> P P 9 �I P �� 9 P R402.3 Fenestration (Prescriptive}. In taddition to P P 9 p
<br /> handler, outdoor condensing wnit of a split system air conditianer or heat pump, the re uirements of Section R402, fenestratifln shall com I with Sectians R402.3.1 an all heaters and pumps. H�aters, pumps and motors that have built in timers shpll
<br /> q P Y R403.2 Ducts� Qucts and air handl�rs shall be in occordance with �ections R403.2.1 ae deEmed in compliance with this requirement.
<br /> cooling or heating coil, or the #urnace heat exchanger), the duct system that is thraugh R402.3.6. through R493.2.3. Exce
<br /> connected to the new or replacement ptians;
<br /> space-conditioning equipment sha11 be tested as specified in WSU RS-33. The test R4p2,3.1 U-factcr. An area-weighted averag� of fenestration products shall be p�rmitted 1. Vl�ere public health star�dards require
<br /> results shatl be rovided tc� the buildin o#f'rcial and the homeovrner. R403.2.1 Insulation (Prescriptive). Ducts shall be insulated to a minimum of R-8. 24-haur pump aperation.
<br /> p 9 ta sptisfy the U-facfor requir�ments.
<br /> Exceptions: 2. Where pumps are required to operate solar- and waste-herat-recovery pool
<br /> �xceptior� Ducts or portions thereof located completely inside the building thermal heating systems.
<br /> 1. Duct systems that ore documented to have been p�eviously sealed as confirmed R402_3.2 Glaz�d fenestratipn SHGC. An envelope. Ducts located in crawl spoces do not qualify far this exception. �
<br /> through field verification and diagnostic testing in aceordance with procedures in WSU area-weighted oueroge of fenestration prQducts rnore than 50 percent glazed shall be
<br /> RS-33. permitted to satisfy the SHGC rsquirements. R403.9.3 Covers. Heqted pools and in-ground pe�manently installed spas shall be _
<br /> 2. Ducts with less than 40 linear feet in uncanditioned spoces. R403.2.2 Sealing (Mandatory) , Ducts, air handlers, and filter boxes shall be sealed. Joints provided with a vapor-retardant cover.
<br /> 3. Existing duct systems constructed, insulated R4�2.3.3 Glazed fenes#ration exerrrption, Up to and seams shall comply with either the International Mechanical Ct�de or Internatianal Exception: Pools deriving over 70 percent of the energy far heating from ;
<br /> or sealed with asbestos. 15 square feet (1.4 m2) af gldzed fenestration per dwelling unit shall be permitted to �esiden�ial Code, as applicable. site-recovered energy, such as a heat pump or solar energy saurce computed over
<br /> 4. Additions of less fhan 750 square feet, be exem t fram U-factor and SHGC re uirements in Sectian R4U2,1.1. This exem tion an operating season. .-. �,,,
<br /> P � P Exceptir�ns: .+� ��" �7
<br /> �hall not apply to the U-factor c�lternotive appraach in Section R4fl2.1.3 and #he '� �;� C7
<br /> Chan e in occu anc or use, An s ace not within the sca e of Section Ri01.2 which is 1. Air-impermeable spray foam pr4duct� shall be permitted to be applied withaut R4a3.9.4 Residential pool pumps. Pool pump motors may not be split-phase or capacitar `� � CT
<br /> 9 P y Y P P total UA alternative in Sec�ian R4a2.1.4. n�
<br /> cvnverted to space that is within the scape af Sectit�n R1 C}1.2 shall be braught into additional joint seals. start-induction run type. ,�, a �;; ED
<br /> full com liance with this code. 2. VW�here a duct connection is made that is partially inacc�ssible, three screws or �,�� �
<br /> P R402.3.4 �paque door exempti�n. Qne side-hinged apaque doar assembly up to 24 square rivets shall be equally spaced on the exposed portion of the joint so as to prevent c] R403.9.4.1 Two-speed capability. � �,��.
<br /> Spaces undergoing a chonge in occupancy that would result in an increase in feet (2.22 m2) in area is exempted from the U-factor requirement in Section hin e efifect. c� m �
<br /> demand for either fossil fuel or electrical energy shall comply with this code. R402.1.1. This exem tion shall not a I to the U-factor al�err�ative a roach in � 1. Pump mQ#ars: Paol pump mators with a capacity of 1 hp vr mo�e shall have �, �
<br /> P PP Y PP 3. Continuously welded and locking-typ� langitudinal joints dnd seams in ducts the capability o# operating at #wo or more speeds with low speed having a rotation � � �
<br /> Section R402.1.3 and the to#al UA alternative in Section R4�2.1.4. o eratin at static ressu�es less than 2 inches of water column 5t�0 Pa ressur� ' ` - C) �
<br /> Change in space conditioning. Any nonconditianed spa�e that is altered to become P 9 R � ) R rr�#e that is no more than one-hc�lf of the mr�tor s maximum rotation rate, rr,�
<br /> R402.3.5 Reserved. classification shall nt�t re uire additional clasure s tems. Ducts sh�ll be leok tested < �' �' �
<br /> conditioned space shall be required to be braught into full compliance with this code. q Y� 2. Pump controls: Pool pump mator con#rols shall hqve the capability af ope�ating m . �}�
<br /> in accardance with WSU RS-33, using the maximum duct leakage rates specified, the pool pump with at least two spe�ds. The default circulation speed shall be the �
<br /> R4�2.3.6 Replacement fenestratian. Where some or all of an existing fenestration uni# is Duct ti htness shall be verified b either of the follawin �
<br /> replaced �with a new fenestratian prQduct� including sash and glazing, p � y �' lowest speed with � high speed ove�ride ' -p
<br /> the re lacer»ent ' �
<br /> fenes#ratian unit shall meet the a licable re uir�ments #ar U-factar a�d SHGC in capability being for a temporary periad not to exceed one normal cycle. � p' ;
<br /> Mixed occupancy. Where a building includes both residential and commercial occupancies, �p q 1, Postconstruction test: Total leakage shall be I�ss than ar equal to 4 cfrrt � �
<br /> Table R402.1.1. �
<br /> eoch occupancy shall be separa€ely considered sand meet the applicable provisians of {113.3 Ljmin) psr R403,9.4.2 Pump operation. Circulating water systems shall be con#rolled sa that the �
<br /> the IECC - Commercial R4Q2.4 Air leakage (Mandatary) , The building thermal envelope shall be constructed to �d� square feet (9.29 m2) of conditioned circulation pump(s) can be conveniently turned off, automatically or manually, when �'
<br /> and Residential Provisions. flaor areq when tested at a pressure diffe�ential of 0.1 inches w.g. (25 Pa} across the water system is not in operation. JULY 8, 2013
<br /> limit air leakage in accorda�nce with the requirem�nts of Sections R402.4.1 through
<br /> R402.4.4. the entire system, including the manuf�cture�'s air handler enclosure. All register
<br /> Compliance. Residential buildings shall meet the provisions of IECC - Residential boots shttll be taped or otherwise sealed during the test. Leakage to outdoors shall �
<br /> Provisions. Commercial b�ildings shall meet the provisions ofi IECC - +�ommercial R402.4.1 Building thermal ernelope, The building thermal envelope shotl comply with Sections be less th�n or equal to 4 cfm (133.3 SEGTION R404
<br /> Provisions. R402.4.1.1 and R402.4.1.2. The sealing methods betwe�n dissimrlar materictls shall L,/min) p�� 1Q0 square feet of conditioned floor area. EL�GTRICAL POWER ANt7 �.IGHTING SYSTEMS � ("�°') �
<br /> allaw far differential expansion and eontraction. �' � m
<br /> Low energy buildings. The follawing buildirtgs, or po�tions the�eof, separated from the R404.1 Lighting equipment (Mandatory} . A � rn -�-�
<br /> remainder of the bwilding by bwilding th�rmal envelop� assemblies complying with this R402.4.1.1 Installaticn. The companents of the building th�rmal envelope as listed in minimum of 75 percent of permanen#ly installed rn �
<br /> code shall be exempt f�om the buitd'rng thermal envelope provisions of this cade. , lamps in lighting fixtures shall be high-efficacy lamps. -�
<br /> 1. Those with a peak design rate af energy usage Table R402.4.1.1 shall be installed in accordance with ihe manufaeturer s instructions �„ �
<br /> 2 10.7 W m2 or 1,0 watt ft2 �nd th+� criteria listed in Tabla R402,4.1.1, as applicable to the method of R404.1.1 Li htin e ui ment {Mandato . Fuel ��
<br /> � j � f construction. Where required by the code official, an approved third party shall J 9 q P ►�Y) gas lighting systems shall not have -�!
<br /> (10.7 W/m2) of floor oreu for space conditioning purpases. inspect all cvmponents and verify compliance. cantinuously burning pilot lights. � �
<br /> 2. Those that do not contain conditioned space.
<br /> 3. Greenhouses f�ol�ted from any conditioned space and r�ot intended far � �
<br /> occupancy. �
<br />
|