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NOTES PER 2009 WSEC NOTES PER 2009 WSEC Washington State Energy Code 2009
<br /> Heating Sytstem Sizing - Glimate Zone 1
<br /> 502.4.3 Seals and Weatherstripping: a. Exterior jaints around windows and door frames, 502.4.5 Building Air Leakage Testing: Building envelope air leakage control shall be
<br /> apenings between walfs and foundation, between walls and roof and wall panels; openings considered acceptable when tested to have an air leakage less than O.00a30 Specific Buifder -Adair Enterprises File:�4a Prepared by: Dennis Smiley
<br /> at penetrations of utility services through wa(ls, floors and rovfs; and all ather openings in Leakage Area {SLA} when tested with a blawer door at a pre�s of 50 Pascals (Q.2 inch Plan - 2148 Home Design 360-658-3302
<br /> the building envelope and all other openings in between units shall be sealed, caulked, w.g.}. Testing shall occur at any time after raugh in and after installation of penetrations of
<br /> gasketed or w�atherstripped to limit air leakage. �ther exterior jQints and seams shall be the building envelope, including penetrations�for utilities, plumbing, electrieal, ventilation, ---_�-....e---�--..���-..._-�---�-���-�-� _-��..�-..�_�.-�.-_. �-.-��_-.-�x-.��..----._.__-�..�_.._�.�_..�a_we_._ .�
<br /> similarly treated, or taped, or cavered with moisture vapor permeable housewrap. and combustion appliancss and sealing thereof. When required by the building official, the Design Temp Differenee Indoor - Outdoor Design Temp - 70 - 21 49
<br /> test shall be canducted in the presence of department staff. The blawer door test results Conditioned Valume (Lower Floor x H) + (Upper Flaor x H) 18941
<br /> 502.1.6.1 Vapor Retarders: Vapor retarders shall be installed on the warm side {in winter) shali be recorded on the certificate required in Section 1t}5.4.
<br /> af insulation as specified in the following cases. EXCEPTIC�NS: �. Additions less than 750 square feet. 2. Once visual inspection has Conditioned Floor Area Lower Floor + Upper Floor 2148
<br /> EXCEPTION: Vapc�r retarder installed with not more than 1l3 of the nominal R-value canfirmed the presence of a gasket (see Section 5{�2.4), operable uvindows and doors Vertical Glazing Area Windows and Glass Doors 335
<br /> between it and the canditioned space. manufactured by smali business shall be permitted to be sealed off at the frame prior to the Glazing Percentage Vertical Glazing / Floor Area = 335/ 2148 15.60
<br /> test.
<br /> 502.1.�.2 Floors: Floars separating conditioned space firam unconditioned space shall Table 6-1 for Climate Zone 1 (Qption based an Glazing Percentage}
<br /> have a vapor retarder installed. The vapor retarder shall have a c�ne perm dry cup rating ar Specific Leakage Area (SLA) shall be calculated as fiollows:
<br /> VerticaC door Above Belc�w Below
<br /> less (i.e. four mil j0.004 inch thick] polyethylene or kraft faced material). �pt��� GlaziOgf � C?verhead �_ �e�ling Vaulted Grade Grade Grade Floor Slab
<br /> SLA = (CFM50 x Q.055)1(CFA x 144) ��°°�r0 Factcar �-FactQr Factor Wal( Int Ext Floar
<br /> 502.1.6.3 Roof/Ceilings: Roof/ceiling assemblies where the ventilatian space above the Where:
<br /> insulation is less than an average af 12 inches shall be prc�vided with a vapor retarder. CFMSQ = Blower door fan flaw at 5Q Pascal pressure difference If 25% 0.32 0.50 0.20 ��� R-3� R-21 R-21 R-10 R-30 zF��
<br /> Faced batt insulation where used as a vapor retarder sha{I be face stapled. Sirtgle rafter CFA = Conditioned F1oor Area of the housing unit
<br /> � .._._ ,,� __.�.�._�.,..__� _ _ � _ _ _ _, �,�. ___. �__ --� __ „ ..___m�.. ._
<br /> joist vaulted cei(ing cavities shall be of sufficient depth tc� allow a minimum one inch vente�( NW ���W V
<br /> air space above the insulation. During testing:
<br /> UA Totals
<br /> 1. Exterior windows and doors, firep{ace ar�d stove doors shall be ciosed, but not sealed. 2. Component Area U-Factor UA
<br /> 502.1.6.4: Vapor retarders shall not be required in raof/ceiling assemblies where the Dampers shall be closed, but not seaied; including exhaust, intake, makeup air, back draft, Vertical Glazing 335 a.32 107.2
<br /> ventilatian space above the insulation averages 12 inches or greater. and flue dampers; 3. lnterior daors connecting conditioned spaces shall be open; access Exterior poors 38 0.2 7.6
<br /> hatches to conditioned crawl spaces and conditioned attics shall be open; doors connecting
<br /> 502.1.6.5: Vapor retarders shall not be required where all of the insufation is installed to uncanditioned �paces shall be closed but not sealed; 4. Exterior openings for continuous 4verhead Glazing 0 0.5 Q.0
<br /> between the roof inembrane and the structural raof deck. operation ventilation systems and heat recovery ventilators shall be closed and sealed; 5. Ceiling - STD R49 1,469 4.{}27 39.7
<br /> Heating and cooling system(s} sha{I be turned off; 6. HVAC ducts supply and return Above Grade Walls 2046 0.056 114.6
<br /> 502.1.6�6 Walls: Walls separating conditioned space from unconditioned space shall have registers shall not be sealed.
<br /> a vapor retarder installed. Faced batt insulatian shall be face stapled. Framed Floors 1,469 0.029 42.6
<br /> 145.4 Gertificate: A permanent certificate shal( be posted within three feet Qf the electrical Slab on Grade Floars (L} 0 0.54 C}.fl
<br /> 5Q2.1.6.7 Ground Cover: A grout�d cover of six mil {0.006 inch thick} blac4� polyethy(ene or distribution panel. The certificate shall be campleted by the builder or registered design Total UA 311,7
<br /> approved equal shall be laid over the ground within crawl spaces. The ground c�ver shall professional. The certificate shall list the predominant R-values of insulation installed in or
<br /> on ceilin lroof walls foundation (slab basement wall crawls ace wall and/or floor and � ���� �� ��.���.��`� �_ -°��� �-- ' � � -'.4m�
<br /> be overlapped 12 inches minimum at the joints and shall extend to the foundation wall. 9 r , } , p )�
<br /> EXCEPTION. The graund cover may be omitted in crawl spaces if the crawl space has a ducts outside the conditianed spaces; U-factors for fenestration; and the solar heat gain Heating System Sizing by BTU/HR
<br /> concrete slab floor with a mirtimum thickness c�f 3-1/2 inches. coefricient (SHGG} af fenestration. Where there is more than ane value for each Envelope Heat Load Tatal UA x Qesign Tem� Difference 15,273.3
<br /> companent, the certificate shall list the value covering the largest area. The certificate shall Air �eakage Lc�ad Vc�lume x 0.6 x Temp Difference x 0.018 14,Q23.6
<br /> 505.'� Interior Li htin A minimum of 50 ercent of all luminaires shall be hi h efficac list the type and efficiency c�f he�ting, caaling, and service water heating equipment, duct guildin Qesi n Heat Load Envelo e Load + Air Leaka e Load 25,296.9
<br /> g �� p � y Eeaka e rates incfudir► test conditic�ns as s ecified in 5ection 503.10.2 and air leaka e � � p g
<br /> luminaires. � � p ° g Add Duct Load Factor Building Load x 1.15 29,091.4
<br /> results ifi a blower door test was canducted.
<br /> _ ___r.. � _�.� .��.���.�._ �,�..�, _.__ __
<br /> 503.8.1 Temperature Controf: The primary space conditioning systert7 within each dwelling
<br /> unit shall be provided with at least one programmable thermostat far the regulatian of AQVANGED FRAMED CEILfNG: Advanced framing assumes full and even depth of Maximum Heat Equipment Output Total Building Laad x 1.5 43,637.1
<br /> insulation extendin to the �utside ed e of exterior walis. � ._ __ _..� .___.oe..e_�_ e��ew �w.._� �__.� �_ ..._��.....� .me_���.._____�..._ _..� . .a.��...
<br /> temperature. The thermastat shal! allow for, at a minimum, a 5-2 programmabfe schedule � � Door and V1lindow Schedules
<br /> (weekdays/ weekends) and be capable of praviding at least two programmable setback
<br /> e 'ods er da . - �._.. _..�r_ . _ . _.__�._�_._.�_,_ _._ _ .__�-_.���� _.,._.u,��.��.�.m.�.�,_.�r ._..,.. _ r ,,.,,
<br /> � ri p y _ ._,,.n._.._ __.�.. _._ �_w._._ �_�. �
<br /> Vertical Glazin - Windows and Glass �oc�rs
<br /> 503.10.1 Installation of ducts in exterior walls, floors or ceilings shall not displace required Chapter 9 Credit �ptions (Min Qne Credit Required} Type Quantity Width Ft Width In Height Ft Height In
<br /> envelope insulation. Building cavities may not be used as ducts. 1a - HfGH EFFICIENCI` HVAC EQUIPIVIENT 1: Gas, propane or oil-fired furnace or boiler Window 'E 5 C} 1 �
<br /> with minimum AFUE af 92°fQ, or Air-source heat pump w�th minimum HSPF of 8.5. {1
<br /> 503.1Q.2 Leakage Testing: Ducts shall be leak tested in accordance with RS-33, using the Credit) ����°� � � � � �
<br /> maximum duct leakage rates specified in Section 5(}3.�Q.3. Windaw 1 4 0 4 6
<br /> Window 2 5 0 5 0
<br /> 5Q3.10.3 Sealing: All ducts, air handlers, filter boxes, and building cavities used as ducts Windaw 1 2 8 1 0
<br /> shall be seafed. Joints and seams shall comply with Section M1601.3 of the lnternational
<br /> Residential Gode or Section 603.9 of the fnternational Mechanical Gade. Duct tightness Window 4 2 0 2 0
<br /> testing shall be conducted to verify that the ducts are sealed. A signed affidavit Window 1 6 0 5 0
<br /> documenting the test result�, shall be provided to the jurisdiction having authority by the Window 2 2 0 4 0
<br /> testing agent. When required by the building afficial, the test shall be conducted in the
<br /> presence of department sta�fi. Duct tightness shall be verified by either of the fioliowir�g: Window 1 � Q 3 6
<br /> Window 4 4 0 4 4
<br /> 1. Post-construction test: Leakage ta outdoors shall be less than or equal to 6 cfm per 1{�Q Window 3 5 0 � 0
<br /> square feet of conditianed fl�aor area ar a total leakage less than or equal to 8 cfm per '[00
<br /> square feet af conditioned floar area when tested at a pressure differenftal of Q.1 inches Window 1 2 fl 3 Q
<br /> w.g. (25 Pascals) across the entir� system, including the manufacturer's air handler 1Nindow `[ 4 0 1 Q
<br /> enclosure. All register boots shalk be taped or otherwise sealed during the test. Window 1 6 0 4 0
<br /> 2. Rough-in test: Total feakage shall be less than or equal to 6 cfm per 10a square feet of Glass Door 1 2 8 6 8
<br /> canditioned floor area when tested at a pressure differential of Q.1 inches w.g. (25 Pascals) Area - 335 sf U-Factor - 0.32 UA - '107.2
<br /> across the roughed-in system, including the manufiacturer's air handler enclosure. AII -�- - �-----v.�--�m-�-�- -.�-----�--�---.�----�-����---�-- -----------.�.��
<br /> register baots shall be taped or otherwise sealed during the test. If the air handler is not Exteriar poors
<br /> insta(led at the time of the test, total leakage shalf be less than or equal ta 4 cfm per '104
<br /> square feet of conditioned flaor area. Type Quantity Width Ft V1lidth In Height Ft Height In
<br /> Exterior poor 1 2 8 6 8
<br /> Exterior poar 1 3 0 6 8
<br /> Area - 38 sf U-Factor - (}.20 UA - 7.6
<br /> Qverhead Glazin
<br /> Type Quantity Width Ft Width In Height Ft Height In
<br /> Area - 0 sf U-Factor - 0.5Q UA - 0,0
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