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REVISI�NS BY
<br /> , TABLE 406.2 ,
<br /> _. � � ENERGY CREDITS
<br /> .
<br /> � CODES I�lSULATIC��I & MOISTURE PROTECTIQN �
<br /> _ _ ._ _
<br /> _ . .._.... . _. _. .._ ... _
<br /> OPTION DESCRIPTION CI'rED17(S) OPTION DESCRlPTION --�- GREDIT(S)
<br /> la EFFICIEi�lT BUILDING BNVELOPE la: p;$ 5d EFFICIENT WATER HEATING Sd: 0.5
<br /> , The foilowing codes and classifications �re appiicable to this project and are to be enforced:
<br /> Prescriptive comp(iance is based on Table R402.11 with the foltowing modifications: A drain water heat recovery unit(sJ shail be installed,which captures waste water heai
<br /> Vertieal fenestration U =0.28 from all the showers,and has a minimam efficiency of 40%a if insta(led for equat flow or
<br /> 2015 International Building Code (Structural for Residential} Unless noted otherwise, EnsuJafiion ta be per the Washington State Energy Code. tnsulation baffles F1oorR-38 0 � •
<br /> „ a minimum e�ciency of�2/o tf mstaIled for unequaI flow.Such units shall be rated in
<br /> 2015 Internationa! Residential Code (Urdinance) are to be installed to keep a 1 aIC' SpaCE' fOC attlC Vet1tII�tIOC1. TF1C.' I�c'afFl@S �C'G-' t0 BXtGC1CI �Z aI�OVE tI1� Slab on grade R-10 perianeter and under entire slab accordance with CSA B55.1 and be so labeled.
<br /> insulation. Insulat� around all showers and tubs. Full It1SUIc'�tE', aII Cc'�VIt12S ICl CGXt@CIOC WaIIS. FaC@- Beiow grade slab R-l0 perimeter and under entire slab To qualify to elaim this cred'zt,the buitding permit drawings shall inetude a plumbing
<br /> 2015 Wash'tngton State Energy G�de and Ventiiation Code y or diagram that specifies the drain water heat recovery units and the plumbing layout
<br /> " - staple all kraft-backed batts. All kraft seams to be sealed with duct type tape. Friction fit all non kraft-
<br /> �� � - � Com liance based on.Section R402.1.4: Reduce the Total UA by 5%. needed to install it and labeis or other documentation shalf be provzded that
<br /> backed batts and support with wire stays. Piping for hot water heat systems or eontinuously lb EFFICIENT SUILDING ENVELOPE lb: i 4 demonstrates that the unit com lies with the standard.
<br /> Q n CICCUIatlllg hOt Wat@r S}1St@I'1lS a1"@ I'@C�U11'eCI t0 I�e 1(1SUIat@CI Wlth R-3. Prescriptive compliaz�ce is based on Tab(e R402.1.1 with the fo(lowing modifications: 6 RENEWABLE ELECTRIC ENERGY: p.�
<br /> v�����N�7 � Vertical fenestration U =0.25 For each 1204 kWh of electricai generatioa per housing unit provided annually by
<br /> Wal1 R-21 plus R-4 on-site wind or solar equipment a 0.5 credit shall be altowed,up to 3 credits.Generation
<br /> Construction Type: VB Seismic Zone: D2 INFILTRATION CONTRUL --,. �
<br /> Fioor R-38 shall be calculated as follows:
<br /> Occupaney Group: Wind Speed: 85 MPH/3see. 120 MPH Gust 1. AII exterior joints and openings shall be sealed, eaulked, gasketed or weather-stripped to limit Baseme�t Wali R-23 int plus R-5 ci For solar electric systems,the design shall be demonstrated to meet this requirement
<br /> Fire Zone: 3 Exposure Category: B KZt: a�� Slab on grade R-10 perimeter and under entire slab using the National Renewable Energy Laboratory calculator PVVVATTs. � -
<br /> leakage. Examples ofi Joints or openmgs inelude: windows, C�OOfS, O�G'IlIf1gS E�etING@tl WaIIS Selow grade slab R-10 perimeter and under entire slab Documentation noting solar access shall be included on the plans.
<br /> and foundations, between walls and roof and between wall panels, openings at penetrations of Qr � For wind generation projects designs sha[I document annual power generation based on
<br /> . LOADING: Floor Live L.oad: 40psf D2aCJ LOad: 'I QpSf - Utlllt}/ SE.'NIC@S a11CJ aCG@SS pall@IS I►lt0 Utlll@atE.'CI SpaC@S. Com liance based on Section R402.1.4; Reduce the Total liA by t5%. the folIowing facTors:
<br /> The wind turbine power curve;average annual wind speed at the site;frequency ��
<br /> ROO� Live L.oad: 25psf Dead Load: 15psf " 2. All exterior doors, other than fire-rated doors, shall be designed to limit air leakage around their Ic EFFICIENT BU[LD1NG ENVELOPE lc: 2.0 distributiori ofthe wind speed atthe site and height ofthe tower.
<br /> PrescripEive compliance is based on Table R4021.1 wiYh the following modifications: To qualify to claim this credit,the building permit drawings shall specify the option
<br /> Stairs Live Load: 100psf [7ead l.oad: 10psf perimeter when in a closed position. Doors between the residence and the ara e are not �
<br /> g g Vertical fenestration U =0.22
<br /> Exterior and lnterior Walfs: Dead Load: 85p1f eonsidered `fire-rated� eV@tl tliOUgll tIl@}/ I'1lUSt Ca�l"Y c'a ZOI11111Ut@ CatPtl�. Ceiling and single-rafter or joist-vaulted R-49 advanced being seiected and shati show the photovoliaic or wind turbine equipment type,provide
<br /> 3. All exterior windows shall be designed ta admit infiltration into or from the building envefope. wooa fr�,e Wall u-Zi int plus R-12 ci documentation oi solar and wind access,and inctude a catculation of the minimum �
<br /> annual enertry ower roduction.
<br /> Contractor shall verify ali notes, dimensions and conditions prior to construction. During demolition Site-built and shop- built wooden sashes are exempt from infiltration criteria, but must be made $�e�c Waf�R-?� int plus R-12 ci a. Projects using this option may not use Option la, lb or Ic.
<br /> af1C� COIIStfUCtlOil thE COtltfaCtOt' Shc�ll pfOVIC�2 tC'tllpOt'aC�/ bt'aClCtg fpC SUppQtt r�tld Str�blllt�/ Untl) c�l) tlgllt flttltlC� c�t1CI W@c�th@f-Stt'IppeCl r`aIICI CaUII{2CI. Slab on grade R-10 perimeter and under entire slab b. Projeets may only inetude eredit from one spaee heating option,3a,3b,3'e or 3d.When a housin2 unit has two ieees of
<br /> � ositive connections have been installed. The Contractor shall report all discrepancies to the Be�oW graae s�ab R-zo per�meter ana u�aer em�re S�av P �
<br /> p 4. Recessed light fixtures in ceilings af unheated attic spaces to limit air leakage. equ;p�ent��.e.,two furnaces)both must meet the standard to receive the credit.
<br /> Designer when they are noted. Written dimensions take precedence over scaled drawings.
<br /> �r c. Plumbing Rixtures Flow Ratings.Low flow plumbing fixtures(water closets and urinals)and fittings(faucets and
<br /> Compliance based on Section R402.1.4: Reduce the Total UA by 30%: showerheads}shall comply with the following requirements:
<br /> VAPOR BARRIERS /GROUND COVERS Ida EFFICIENT BUtLDING Et�IVELOi'E ld: 0.5 I. Residentia}bathroom lavatory sink faucets:Ma�cimum flowrate-3.8 Ltmin(I.0 gal{min)when tested in accordance '
<br /> � S I TE InIO RI`C An approved vapor barrier shall be instailed on all exterior walls, OCl tlle Wal'tll SICJ@ Of aII t'OOf CJGCI(�S Preseriptive campliance is basad on Tab{e R402.1.1 with the folJoEving modifications: with ASME AI 12.18.I/CSA B125.1. �
<br /> and on the warm side of all rafters that are both eeiling an� roof support members. The net free area ���ical f�nest�ation U=0.24 2. Residential kitchen faucets:IYSaximum flow rate-6.6 L/min(1.75 gat/min)whea tested in accordance with ASME
<br /> Unless a state approved Geotechnical Engineer has performed a soils investigation and report, the �
<br /> OP170N DESCRIPI"ION C�t�Ql7(S}
<br /> � faundation will be designed based on the assumption that the average soil bearing is 2QOOpsf. ;for attic ventila#ion may be 1/150 or 1/340 of the total attic area provided a vapor barrier, IIaVEIIg a 2a AfR LEAKAGE CONTROL AND EFF3CIENT VENTILATtON 2a: A112.I8.tICSA B125.t.
<br /> 0.5 3. Residential showerheads:Maximum flow rate-b.6 L/min(1.75 gal/min}when tested in accordance with ASME � �
<br /> . Exterior footings shall be a minimum 12" below finished grade for or�e-story structures or 18" belpw 'perm rating not exceeding 1, is installed on the warm side of the insulation. A ground cov�r of 6 mil Compliance based on R402.4.1.2: Reduce the tested air]eakage to 3.0 air changes per 0
<br /> , , ; „ . . At 12.18.1/CSA B225.1. �
<br /> finished grade for multipfe-story structures on undisturbed soil. Footing drains, if required, are to be :(0.006 ) black polyethylene {visquene), or equal, shall be laid over the bare earth in all crawl spac�s. n°"rm�'�°m .
<br /> _
<br /> tied to existing or new systems. Mono-pour slabs with footings shall be a minimum 12" below finished 'The cover shall be lapped 12" m�nimum at a{I seams and extend up the foundation wall ta the mudsill and TABLE R402.1.1 � �
<br /> grade. Foundation vents shall not interfere with bearing points or be within 3" of latera! holdowns. Plate. All whole house ventilation requirements as determined by Section M1507.3 ofthe �
<br /> International Residential Code shall be met with a high effieiency fan(ma�cimum 0.35 lNSULATION AND FENEBTRATION REQUIREMENTS BY COMPONEP1Ta �
<br /> watts/cfm),not interlocked.with the furnace fan.Ventilation systems using a furnace 5 At�D�ARiaE 4 . �
<br /> Finish grade shaH be a min. 6" I��IOW t�t2 tOp Of fOUtlCIat1011. includinganECtvimotorareallowed,providedthattheyarecontroiledtooperateatlow CLlMATfZON6 �
<br /> ���o R L7, 1IV I N D 0 W S & S KY L I G H T S Sp e e d i n v en t i la 1i o n on ly mo de. � FeNEs�AnoN U-FacTORb 0.30 Ri
<br /> » » �� To qualify to claim this credit,the building permit drawings shall speci€y the option �
<br /> ��(�C R ET �Doors to the exterior or from the house to the garage must have a minimum 36 x36 landing wit1�{n 2 being selected and shall specify the maximum tested building air teakage and shafl SKvtiGH7�'U-�ACTOR 0.50 � p
<br /> p y ,of the door thresho(d. Maximum 7.75 risers and minimum 1 Q treads, w/ 1 nosing, aC@ t'@C�UIP@CI �O �II show the qualifying ventilation system. W �,
<br /> Ciass and Use F'C Slum Min. Sacks/c
<br /> A. Foo#ings and foundations Z�J�� 3-4 rJ '/Z ;steps leading to the fandings. RII �kylights and sky walls to be laminated gia.�� unless nated 2b AIR LEAKAGE CONTROL AND EFFICIENT VENTILATIUN 2b: I.p GLAZED FENES'FRATION SHGCb'e NR � � O �
<br /> � Compl�ance based on SecYFon R402.4.t.2: R�duce the tested air leakage to 2.0 air k ;
<br /> ,
<br /> B. Slabs on grade 2500 3-4 5 �/2 oth�rwEse. Fr�nch doors and sl�d�ng gla�s doors are to b:e double glazed tempered safety glas�. A11 �hang�s per no„r m�;m„m ce���N�R-vA�uE a9 � � '�
<br /> Air entraining agent (3% to 6%) to be used in all concrete flat work exposed to the weather. ;glazirrg wrth�n 18 af the f{aor or wEthin 24 of a cloor s�ving is to be t�mperecl �af�#y gl���. �th�r and g,m,n � � � �
<br /> WOOD FRAME WALL R-V,a�uE 2l int h.
<br /> Retarding agents may be used, but must be installed by professional eoncrete provider. Conerete '�loeations for terripered g4ass are tub and shower enclosures, glazing a�sociated with guardrail� and All whole house ventilation requirements as determined by Section M1507.3 ofthe ; ` ■ '�►' � e�i
<br /> ; +} „ International Residential Code shall be met with a heat recovery ventilation system Mass Wall IR-Va(ue 21/21 N L �
<br /> mix design and water-to-cement ratio t� be in accordance to the IBC. �any wirrdawr areas within �0 of the stair nosing or landing�. ,A11 window openings witi�in 24 of th� � � � N
<br /> with minimum sensibfe heat recovery efficiency of 0.70. F�ooR R-VA�UE 3p � CV > d,
<br /> jfloor and greater than 6'-Q�� above exteriar finished grade must be proteeted against window fat{. To qua��ri co�ia�m th�s�r�a;t,the building permit drawings shall specify the option � W
<br /> REI NFORCING STEEL �C1Cl COVER being setected and shall specify the maximum tested buitding air leakage and shau BELOW-GRAD��'m WALL R-VALUE ]0!1�/21 int+TB
<br /> All steel reinforcing to be ASTM A615 �rade 40. All special reinforcing steel deta;ls to be approved Bedroom emergency egress window: minimum net clear opening width of 20"; minimum net cl�ac 2c AIR LEAKAGE CONTROtL ANDSEFFICIENT VENTILATION 2c: S�$d R-Va�ue 8�DePm to,2�r
<br /> by a professional engineer. All splices are to be lapped 30 diameters. No splices to oceur at opening height of 24"; minimum net clear opening of 5.7sqft; maximum finished opening height of 44° Compliance based on Section R402.4.1.2: Reduce the tested air leakage to 1,5 air 1��
<br /> ' IOCatIOt1S Of teC15(Otl. abOVe flfltSheC) flOOf. changes per hour ma�cimum For..SI: 1 foot=304.8 mm; ci=continuous insulation, int=intermediate ftaming.
<br /> � _ . ... ._ . , and a R-values are minimums. U'-factors and SHGC are maximums.When msulation is installed in a cavity which
<br /> Ail whole house ventilation requ�rements as determined by Section M 1507.3 of the is iess than the label or design thickness of the insutation,the compressed R-value of the insulation from
<br /> . M EC HAN I CAL International Residential Code shall be met with a heat recover� ventilation system Appendix Table A I Q 1.4 shatl not be less than the R-value specified in the tabte.
<br /> � Cover:3" Concrete cast �gainst a,nd p�rmanentiy �xpased to earkh _
<br /> ' � ��2'� CdC"!CI'('�'E' eX�30S�'CI t0 1Al���I1£,'i' OC tE?T71E70Cal'tI�/ tp E,'r'�f'fI1 ' with minimum sensible heat recovery efficiency of0.85.
<br /> : � „ Solid fuel burning appliances include airtight stoves, fireplaee stoves and smaller room heater q y g permit drawin s shall s cifv the o tion b The fenestration U-factor column excludes skylights.The SHGC column applies to all lazed fenestration.
<br /> To ualif to claim this credit,the buildin
<br /> 1 /2 Beams and columns not exposed to earth or vueather • • . . g � , � � .
<br /> versions, faetory built fireplaces, and fireplace inserts. All sol�d fuel burnmg appliances shall comply heing selected and shall specify the maximum tested building air leakage and shall "'10/15/21 +TB"means R-10 continuous tnsulatron on the exterior ofthe wall,or R-IS continuous insulation
<br /> ` 3/a" Slabs or wa(Is not expos�d #o earth or weather with the provisions of the IBC, (RC atld (MC. show the heat recove ventilation s stem. on the tnterior of the wall,or R-2i cavity insulation plus a thermal break between the slab and the
<br /> 3a HIGH EFFICIENCY HVAC EQUIPMENT 3a: i � basement wall at the interior of the basement wall. "1 OI15/21 +TB"shall be permitted to be met with
<br /> Gas,propane or oii-fired Fumace with minimum AFUE of 94%,or R-13 cavity insulation on the interior of the basement walt lus R-5 continuous insulation On the interior
<br /> CARP E NTRY Each dwelling unit shall be provided with heating facilities capable of maintaining a temperature of 70 �as,propane or oiled-fired boiler with minimum AFUE of 92% or exterior of the wa11."TB"means thermal break between floor slab and basement wall.
<br /> All structural framin and nailin are to con#orm to the �-� uirements in the iBC or IRC. All v,�ood in degrees F, at a height of 36 above the floor in all habitable rooms when the outside terr�� eratwre is To qualify to claim this credit,the building permit drawings shall specify the option d
<br /> g g p � being selected and shall specify the heating equipment type and the minimum R-10 Conttnuous insulatiOn is required under heated slab on grade floors.See R402.2.9.I.
<br /> contact with concrete to be pressure treated. AII structural wood expc?sed to the weather to be 30 degrees F. A centrally located, programmable, heat-regulating device is required in each equipment effciency. e There are no SHGC re�uirements in the Marine Zone.
<br /> pressure treated. Wood bearing against or within 1" of masanry to be pressure tr�ated. Sc�iid 2x residence. Fuel burning equipment located within the building envelope shal; obtain combustion air �b xlGx Er�Ic1ENCY xvAc E�u1�?v�ErrT 3b: f
<br /> r Air-source heat ump with minimum HSPF of 9.0 1•� Reserved.
<br /> bJocking shall be installed at ends and at all support points of all joists and rafters. Also, so:id 2x - from outdoors. All warm-air furnaces shall be listed and labeled by an approved agency and installed p �Reserved.
<br /> � > > To qualify to claim this credit,the building permit drawings shall specify the ogtion
<br /> blocking or approved bridging shall be installed at the mid-span of all joists spanning more �han 10- to manufacturer s specifications. Appliances intended for installation in ciosets, alcoves or confined h Reserved.
<br /> being selected and shall specify the heating equipment type and the minimum
<br /> 0". Typical anchor bolts, tying sill plat� to foundation, shall be minimum 5J8" diameter and embedded spaces shall be so listed. No warm-air fuel burning furnaces shall be installed in a room used as a e u� mentefficiency. 'The seeond R-value ap�slies when moce than ha(fthe insulation is on the interior
<br /> � into the foundation minimum 8" at 4'-0"oc and 12" from all corners and late se arations. Bolt heads bedroom, bathroom, closet or an enclosed s ace with access onl throu h such room or s ac�. No 3c xjGx�FFIc�ENCY xvac EQ�iPMErrT��: 15 � ofthe mass wall. -
<br /> p p y p Y J p Reserved.
<br /> and nuts bearing against wood to hav� 3"x3"x1/4" square washers. All metal framing anchprs, warm-air furnace shall be installed in a space less than 12" wider than the furnace or a clearanc� of Closed-loop ground source heat pump;with a minimum C4P of 3.3 k
<br /> „ or For sing}e rafter-or joist-vaul�e�1 ce�lings,the insulation may be redueed to R-38. ' -
<br /> connectors and hangers called out on drawings to be Simpson Strong-Tie Connectors or designer 3 along the sides, back and top. Alt enclosed furnaces shall have a minimum 10sq inch fresh air o�n ioop Water So„r�e n�ac Pump W;ch�maX�mUm pump;ng nyar�;i��neaa oflso 'Res�rved.
<br /> approved equal.
<br /> intake, unless located in the garage, attlC OC'CI'�WISpaC@. feet and minimum COP of 3.6 m Ixit.(intermediate framing)denotes standard framing 16 inches an center with headers insulaYed wifh a
<br /> Minimum wood-to-earth clearance�: 6" Any untreated wood to earth To ualif to claim this credit,the buildin
<br /> :
<br /> ermit drawin
<br /> 9 Y g p gs shall specify the option rnin�mum of R-l0 insu�aCion.
<br /> being selected and shall specify the heating equipment type and the minimum „
<br /> 12" Crawlspace floor beams to earth Building envelope air leakage �control shall be considered acceptable when tested to have an a�r e u; me„t ef�;�,en�Y. Log�na so�ia t�mber uat�s w;�a min�m�m average tn�ckness oe3.s,��nes are�xem�t�om�h�s�nsu��cian
<br /> 18" Crawlspace floor joists to earth leakage less than �-�ir changes per hour when tested with a blower door at a pressure of 50 P��ca1s 3d xicx EFF1c1ENCX xvac EQurPMErr�r 3a: � o r�qu�re�eflt.
<br /> (0.2 ineh w.g.). Testing shall occur�t any time after rough in and after ereation of penetrations af fihe flu�tzess sPlit syscem xeat pumps>Zonal Control:ln homes where the primary space
<br /> heating system is zonal electric heating,a duct(ess heat pump syStem shall be instalted
<br /> LUMBER STRENGTH �units in psi) building thermal envelope, including penetrations for utilities, plumbing, electrical, ventilation, c'�f1C� and provide heating to the largest zone ofthe housing unit. - 'A,
<br /> Fv Fb E combustion appliances and sealing thereof. When required by the building official, the test shall be To qualify to claim this credit,the building permit drawings shatl specify the option ��1.S.E.�+. C H EC KLIST �
<br /> Studs: Hem-Fir#3 75 500 1200K conducted in the presence of department staff. The blower door test results shall be recorded on the being selected and shall specify the heating equipment type and the minimum ELECTRIC RESISTANCE OTHER FUELS
<br /> . . . s e ui ment efficienc .
<br /> Stud grade 75 675 1200K certificate. A Residential Energy Compliance Certificate complying with WSEC 401.3 is requir�ci �ct ; 4 x�Gx EFFIc1ENCY xvac Disr€u�ur�oN s�sTEM: PROPOSED INSu�ATION -
<br /> � Joists & Rafters: Hem-Fir#2 (2x1 fl)& (2x12) 75 850 1300K be completed by the design pro�essional or the bu�lder and permanently posted within 36" Of.�Il� � All heating and cooling system components instatled inside the conditioned space.This MAX. GLAZlNG PERCENTAGE ALLOWED FLAT CE
<br /> ILINGS/ATTICS
<br /> Beams & Headers: 4x Doug-Fir#2/#1 95 $75/1000 1600K/1700K eleCtf{CaI }�atl@I pfIOC t0 fI11aI IIISpLC�IOtI. : includes a(t equipment and distribution system components such as forced air ducts, PROPOSED GLAZIPIG PERCENTAGE VAULTED CEILING5
<br /> • a hydronic piping,hydronic floor heating loop;convectors and radiators.AlI combustion � '
<br /> 6x Doug-Fir#2/#1 $5 875/1350 �3OOK/�6OOK equipment shall be direct vent or seaied combustion. MAX. VERTICAL U-VALUE ALLOWED EXTERIOR WALLS 1
<br /> Glulam Beams: Doug-Fir Larch 24F-V4 190 2400 1800K Liquefied petroleum gas burning appliances shall not be installed in a pit, basement or similar tocatian For forced air ducts:A maximum of 101inear feet ofretum ducts and 5 linear feet of `� �
<br /> supply ducts may be located outside the conditioned space,All metallic ducts located PROPOSED VERTICAL U-VALUE EXTERIOR SELOW GRRDE WALI.S ) �
<br /> Micro-Lam: LVL 1.9 E 290 2900 1900K where heavier than air gas might collect. Appliances so fueled shal) not be installed in an above. o„�Siae the�ona�t,oned spa�e�,�st ha��e botn trans�er�dna�ongm,a�na>>o�nt5 Sea�ed MAX. OVERHAED lJ-VALUE ALLOWED INTERIOR HOUSE/GARAGE WALLS
<br /> �!
<br /> grade under floor space or basement unless such location is provided with an approved means fiar � with mastia tf flex ducts are used,they cannot contain splices.Flex duct connections �
<br /> removal of unburned as. Heatin and coolin e ui ment located in a ara e and which enerates a ° � must be made with nylon stra s and installed usin a iasf��sna �n tensionin tool. PROPOSED OVERHEAD U-VALUE FL�ORS OVER UNHEATED SPACES
<br /> � Loading: g g g q p 9 9 g . p g p PP g g �
<br /> Roof 15psf Dead Load + 25psf Live Load = 40psf glow, spark or flame capable of igniting flammable vapors shall be installed with the pilots, burr�ers or � Ducts located outside the conditioned space must be insulated to a minimum of R-8. MAX. DOOR U-VALUE ALL(�WED SLAB PERIMETER
<br /> » ; Locating sysiem components in conditioned erawl spaces is not permitted under this PROPOSED DO�R U-VALUE DUCTS IN UNHEATED SPACES
<br /> Floor 10psf Dead Load + 40psf Live Load = 50psf heating elements and switches at least 18 above the finished floor. A{I air ducts passing from tMe ; o��,on. - �
<br /> ara e to the residence are to be constructed of steel not less than 0.019" thick and have no Electric resistance heat and ductless heat pumps are not parmitted under this option. �
<br /> Ceiling 5psf Dead Load + 10psf Live Load = 15psf g g ; -
<br /> Deck 10psf Dead Load + 40psf Live Load = SOpsf openings into the garage. Warm-air furnaces installed in afitics and/or crawlspaces shall have ` ; Direct combustion heating equipment with AFUE less than 80%is not permitted under ,`�
<br /> ' � : this option. �
<br /> I n t e r i o r P a r tition = 80 p1f oversized accesses for maintenance. All factory-built chimne ys shail be installed per manufacturer's !`� ��-T���� ��_ �� -.�;��_ � �/ !-�- �j 1.�.-. .
<br /> � � : To qualify to claim this credit;the building permit drawings shall speFify the option /�' s I ► � �� [ �����s��`?� �„�� }:�(�vt,�.(�.,,�
<br /> Exterior Partition = . 90p1f specifieations. All flues or chimneys for solid fuel fireplaees shall terminate mmimum 24" higher than ' bein selected and shall s ecif the heatin equa ment -. y � ; ,9 �
<br /> ' g P Y g P h'Pe and shall show the location _�.�le��(-�,o"._����-.1 _.������ ��. ����-���T��f,�F�-a� ���� ��:�� �`�.�-��..� 1� _���'r � �
<br /> any roof or building structure within 10'-Q". Vent connectors shall be installed within the space or area : ofthe heatin and cootin e ui ment and ali the ductwork. - �� � ,`.,
<br /> _-
<br /> -Ps�U�I;�,!. _1��� --{�- �.���� _C:.�-�C.1�I,�--����-- ��h��_��TF'�-'� _�-��1-�j �.`.�. • 13,1
<br /> PLYWOOD ;in which the appliance is located and shafl be connected to a chimney or vent in such ways as to ; sa EFFICIEN`r w��x xEa-rlrre sa: ; 0 5 . G-}-E�.r � � t�1�,T.p�l� � � o J
<br /> ,s� � _ I ._ �ty I i� T� __i��.�t� D I�TL��s___h�t I��
<br /> � • ' All showerhead and kitchen sink faucets installed in fhe house shatl be rated at 1.75 -�- ,� � : �_ �
<br /> PI wood wall and roof sheathin shall be 'h" CDX or 7/16" 4SB, unless otherwise s ecified. ':maintain proper distance from all combustibles. Heating and HVAC equipment for low-rise resic#ential � . . �..
<br /> Y g � , , p , i . . ; GPM or less.All other lavatory faucets shall be rated at 1.0 GPM or less.` -�ap_�� � -� ��----I---���--�E��-ZJ�._ i�..�� �.���--.�F+�s.(..�, _ f �_ _.__.
<br /> ,sha}I be sized no ° . .. . . . . . . � ��
<br /> Minimum nailmg shall be 8d @ 6"oc or� all panel ed ges and 12 oe in the f�eld, The span index shall ; greater#han 150.lo,of the d.esi�n I;o_ad. . To qualify to claim this credrt,the bmtdm ermrt drawin s sna»s e�,f
<br /> �-�. T�TA�.--_ !r.� `�"�1� �"t�`[`!�,�_ �-��� Dt�. _ �.
<br /> , . g P g P Y the option � - . .... . �.,��._����tA. � ,� . �
<br /> ' be 24/0. Plywood subflooring shall be 3/" CDX er 11/16" OSB tongue-and-grove, UIII@SS OtheMllS@ i � being selected and shall specify the maximum flow rates for ail showerheads,kitchen �
<br /> � specified. Minimum nailing shall be 10d @ 6"oc on �anel edges bearing on supports and 12"oc in the DUCT1�iORK • sink faucets,and other lavatory faucets. � �
<br /> � Sb EFFICIENT WATER HEATING Sb: 1.0
<br /> �� � Water heating system shall include one of the following:
<br /> field. The span index shall be 40/20. Roof and floor sheathing should be staggered a minimum 24 . All duc#s sh�ll be ofi metal or factory-made air ducts complying with and installed per the U(1�IC. Al� Gas,propane or oil water nz��er W�tn a m�ntmu�EF ofa.�a
<br /> : �-
<br /> joint and seams �hall be s�bstantially a-irtight. AII warrn-air ducts in unheated ar�as are to ha�e �-8. • �... �
<br /> • or
<br /> WOOD TRUS�ES insulatian. All duets, air handlers, filter boxes, atTCJ bWICJFl1(� Ct�VttteS USBCI e"�S CJUGtS Sh,�II be S@�J�,'CI. ; Water heater heated by ground source heat pump meetingthe requirements of0 ti n
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<br /> All raof and floor trusses shall be designed by a State approved eng�neer and fabricated only from the Jomts anc! searns shall compiy w�th the IRC or the IMC. Duct tightness testing shall be condu�t€�ci tn 30.
<br /> . approved designs. The trusses are to be stamped by the manufacturer or by an approved quality verify that the ducts are sealed. A signed affidavit documenting the test results shall b� provided to °r -
<br /> control agency. All truss designs are �o be submitted to the Building Official for approval prior to the jurisdiction having authority by the testing agent. ; For R-2 o��uPan�y,a central heat pump water heater with an EF greater than 2.0 that � �
<br /> • ' ' � -�-- would su I DHW to all the unifs throu p'
<br /> fabricatior� and a copy of the approved desagns to go to the Designer: Nonbear�ng walls shall not be : PP Y gh a central water loo �nsuiatea W�tn R-s :
<br /> tied directly to fihe roof truss bottam chord unless with an approved connector. All truss-to-truss meta! P LU 11f1 B I 1 V V rninimum pipe insulation. �
<br /> eonnections are to be speci�ied by the designing engineer. The roof trusses shall be tied into tlie To gu�itr�tQ��a1m tn�s�rea�c,the buitding permit drawings shaN specify the option �
<br /> being selected and shall specify the water heater equipment type and the minimum �
<br /> framework and the support+ng walls sc� as to form an integral part of the whole structure. Temporary
<br /> Afl water heaters installed in garages or other unheated areas to have R-10 rigid insulation at tl°�e eq�'pme"tefs�i�n�y. �
<br /> base. Water heaters to be installed 18" above concrete slabs, s� EFFICIENT WATER HEATING Sc: � J
<br /> have � �.s
<br /> diagonal and sway bracing shall �e used until all required bracing and roof�heathing is instafled. terminate to the exterior of the structure and have seismic straps ins alled t p and b tt Ill Of t�12 taC1I(. � Gas�ep opan oryoii waterheater weth a inhmum(EF�og0.91
<br /> All showers, tubs and Kitchen sinks shall ha�e 1.75gpm flow resisters. All toilets and water closets �o � °r
<br /> FI REPLACES have maximum 1.5gallon flush. AI! other lavatories to have 1.0 tll fIOW ('2SISt£:'I'S. � Solar water heating supplementing a minimum standard water heaier.Solar water
<br /> Masonry fireplaees and ehimneys are to be constructed to canform to ail applicable portions of the , JP heating will provide a rated minimum savings of 85 therms or 2000 kWh based on the "
<br /> IBC IFC and international Mechanical Code. Chimneys shal{ support their own weight unless : Solar Rating and Certification Corporation(SRCC)Annual Perfoanance ofOG-300 D�te
<br /> specifically designed to support additional loads. All fireplaces are to be provided with tightly fitting LIGHTING : CertifiedSolarWaterHeatingSystems.
<br /> : Qr Scale
<br /> � • Electric heat pump water heater with a minimum EF of 2.0 and meeting the standards of
<br /> � fiue dampers and operated with a readily aceessibl� manual or approved automatic control. An A minimum of 75/o of lamps in permanently instaNed (ighting fixtures shall be high-efficacy lamps. ; NEEa's Northern Climate Specifications#�or Heat Pump Water Heaters.
<br /> outside source of combustion air is to be provided wi#h a minimum 10 square inch duct.
<br /> Prefabricated fireplaces, chimneys and related components to bear UL or ICBO seals of approval and � To�uaiiey to�laim tnzs�redit,the building permit drawings shall specify the option DfBWn
<br /> � „ . �� � being selected and shall specify the water heater equipment type and the minimum
<br /> installed per manufaeturer s specifica�ions. Masonry hearths are to extend 20 Itl f I'0(lt Of aI1CI �2 • ' equipment efficiency and,for solar water heating systems,the calculation of the
<br /> � beyond �ach side of the fiireplace mouth. All fireplace� are to be provided with tight fitting tempered , minimucn ener y savin s. Job
<br /> glass or metal doars. �
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