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NOTES PER 2009 V11SEC Nt3TES PER 2049 WSEC Washington State Energy Code 20Q9 -
<br /> Heating Sytstem Sizing - Climate Zone 1
<br /> 502.4.3 Seals and Weatherstripping: a. Exterior joints around windows and daor frames, 502.4.5 Building Air Leakage Testing: Building envelope air leakage controi shall be
<br /> openings between walls and foundation, between walls and roof and wafl panefs; openings cansidered acceptable when tested to have an air leakage less than D.00030 �pecific Builder -Lakeland Homes File:1Q5 Prepared by: Dennis Smiley
<br /> at penetrations of utility services t�trough walls, #Iflors and raofs; and all other openings in Leakage Area (SLA} when tested with a blower door at a press of 50 Pascals {0.2 inch Plan - 2178_Bay with VVood Floar Hame 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 rough in and after installation of penetratians of
<br /> gasketed or weatherstripped to limit air leakage�. Other exterior joints and seams shall be the building er�velope, including penetrations #ar utilities, plumbing, electrical, ventilation, _.___...�.....___..� .�..� _. .�._.�.._.__ _---..� .. -.-..._�__.__�___�._.�_...��__..__...___�.�__..v_____.�_.__.__�...�.._...__�..
<br /> similarly treated, or taped, ar covered with maisture vapor permeable housewrap. and combustion appliances and sea(ing thereof. When required by the building official, the Design Temp Dif#erence � Indoor - t�utdoor Design Temp - 70 - 21 49
<br /> test sha(( be cc�nducted in the presence of department staff. The blower door test results Conditioned Volume (Lawer Floor x H} + {Upper Floor x H) 18548
<br /> 502.1.6.1 Vapor Retarders: Vapor retarders shall be installed on the warm side (in winter) shall be recorded on the certificate required in Sectior� 1�5.4.
<br /> of insulation as specified in the following cases. ElCCEPTI�NS: 1. Additions less than 75Q sguare feet. 2. Qnce visua! inspection has Conditioned Floor Area Lower Floor + Upper Floor 2178
<br /> EXCEPTIQN: Vapor retarder installed with not more than 1/3 of the nominal R-value confirmec� the presence af a gasket (see Sectian 502.4), operable windows and doars Vertical Gtazing Area Windaws and Glass Doors 356
<br /> between it and the conditioned space. manufactured by smail business shall be permitted ta be sealed off at the frame prior to the Glazing Percentage Vertical Glazing / Floar Area = 356 / 2178 16.35
<br /> test.
<br /> 502.1.6.2 Floors: Flc�ors separating conditioned space from unconditic�ned space shall Table 6-1 for Climate Zone 1 (Option based on Glazing Percentage)
<br /> have a vapor retarder installed. The vapor retarder shall have a one perm dr�t cup rating or Specific Leakage Area (SLA� shall be calculated as follows:
<br /> Vertical Door Above Below Below
<br /> less (i.e. faur mil [C}.0(}4 inch thick] polyethylene or kraft faced materiaf). �p�EQ� Glazi�ng/ �_ Overhead U- Geiling Vaulted Grade Grade Grade Floor ��a�
<br /> SLA = (CFM50 x 0.055}/(CFA x 144) Floarlo Factor U-Factor ����or Wall lnt Ext Floor
<br /> 502.1.6.3 Raof/Ceilings: Roof/ceiling assemblies where the ventilation space above the Where:
<br /> insulation is less than an average of 12 inehes shall be provided with a vapor retarder. CFM50 = Blower door fan ffow at 50 Pascal pressure difference II 25°!a 0.32 0.50 0.20 R4� R-38 R-21 R-21 R-10 R-30 �Ft�
<br /> Faced batt insulation where used as a vapor retarder shall be face stapled. Single rafter CFA = Gandit�aned Floor Area af the hous�ng unit
<br /> _...�...�..�..w___ ..�__.,._,�.r . _..� _.,__,.,. _ , . -- __,_�__ . _,� _...�,�„, .-v_
<br /> joist vaulted ceiling cavities shall be of sufficient depth to allow a minimum one inch vented s��-�'� "� T{� � ,'�n � "- '.
<br /> air space abave the insulation. During testing: UA Totals
<br /> 1. Exterior windaws and doars, fireplace and stove doars shall be closed, but not sealed. 2. Component Area U-Faetor UA
<br /> 5Q2.1.6.4: Vapor retarders shall not be required in rooffceiling assemblies where the Dampers shall be closed, but not sealed; including exhaust, intake, makeup air, back draft, Ve�tical Glazing 356 0.32 113.9 �
<br /> ventilation space above the insulation averages 12 inches or greater. and flue dampers; 3. Interior doors conneeting canditioned spaces shall be open; access Exterior poors 38 0.2 7.6
<br /> hatches to cc�nditioned crawl spaces and canditioned attics shall be open; doors cannecting
<br /> 5a2.1.6.5: Vapor retarders shall not be required where al{ of the insulation is instalCed to unconditic�ned spaces shafl be closed but nat sealed; 4. Exterior apenings for continuous (�verhead Glazing 4 0.5 0.0
<br /> between the roof inembrane and the structural raof deck. operation ventilation systems and heat recovery venti[ators shall he elosed and sealed; 5. Ceiling - STD R49 1,330 0.027 35.9
<br /> Heating �nd cooling system(s) sha[I be turned aff; 6. HVAC ducts supply and return Aboue Grade Walls 2198 0.056 123.1
<br /> 502.1.6.6 Walls: Walls separating conditioned space frQm unconditioned space shall have registers shall not be sealed.
<br /> a vapor retarder installed. Faced batt insufation shall be face stapled. Framed Floors 426 0.029 12.4
<br /> 'i 05.4 Certificate: A permanent certificate sh�ll be posted within three feet of the electrical Slab an Grade Floors (L) 160 0.54 86.4
<br /> 502.1.6.7 Ground Cover: A ground cover of six mil (0.0�6 inch thick) black polyethylene or distribution panef. The certificate shall be completed by the builder or registPred design
<br /> approved equal shall be laid over the ground within crawl �paces. The grc�und cover shall prflfessional. The certificate shall list the predominant R-values of insulation installed in or Tota1 UA 379.3
<br /> on ceilin /raaf , � , , K� } ,,,�__�.-. _. ....� _.�m� _,���v _. _, ____- _..,� ___�����rr._.wr__.____.__.�_. .�. ,� _
<br /> be overlapped 12 inches minimum at the join�s and shall extend to the foundation wall. g , walls foundation slab basement wall crawls ace wall and/or flaor and ° --�� - �---�-- ��°"" � -�
<br /> EXGEPTION: The ground cover may be omitted in crawf spaces if the crawl space has a ducts outside the conditioned spaces; U-factors for fenestratic�n; and the solar heat gain Heating System Sizing by BTU/HR -
<br /> concrete s(ab floor with a mirtimum thickness of 3-'[l2 inches� caefficient {SHGC} of fenestration. Where there is more than one value for each Envelope Heat Laad Total UA x Design Temp Difference 18,585.7
<br /> cornponent, the certificate shall list the value covering the largest area. The certificate shal( Air I�eakage Load Volume x Q.6 x Temp Difference x 0.018 9,815.6
<br /> 5fl5.'! Interior Li htin A minimum of 50 ercent of aIJ 4uminaires shall be hi h efficac list the type and efficiency Qf heating, caoling, and service water heating equipment, duct Buildin Desi n Heat Load Envelo e Load + Air Leaka e Load 28,401.3
<br /> 9 9� p 9 Y 9 9 p 9
<br /> (umir�aires. leakage rates including test conditions as specified in Section 503.'[0_2, and air leakage Add Duct Laad Factor Building Load x 1.15 32,661.5
<br /> results if a blawer doQr test was conducted.
<br /> w_ _ ,,,�._ ....,_�..�..�,._,. . ..,�_��.�e . -_�._ ,_. _.�,m. _.:.,__. �__. � _�_.
<br /> ___--- _,..��.�.__
<br /> 5fl3.8.'[ Temperature Controf: The primary space conditioning syster� within each dwelling
<br /> unit shall be provided with at feast one programmable thermostat for the regulation of ADVA�JGED FRAMED GEILIN�: Advanced framing assumes full and even depth of Maximum Heat Equipment Output Total Building Load x 1 .5 4$,992.3
<br /> insulation extendin to the outside ed e of exterior walls. _......._��......____...�_._____.o.a�________......��...,w�.e..w�..w�._.._.�_�_. _.�._�._�_.._..�.._w__...______.�_.._..w..�____..._�..._w._.�_..
<br /> temperature. The thermostat shall allow for, at a minimum, a 5-2 programmable schedule g � Door and Window Sehedules
<br /> (weekdays/ weekends) and be capable of providing at feast two programmable setback
<br /> ' da . __ _ . m.�, �,_.. ��.,,..m.,�.. __._.�._-_�.�,,�, ���.._ __.m.�.,�,�.,��_ _ _..v..
<br /> �eriods per y .������ _
<br /> .��. _ ��_ e��,�___.__� �_�,�,m . ,---.._..,� , _ _ _ � ,�._�._._ _ __ _
<br /> Vertical Glazin Windows and Glass Doors
<br /> 503.10.1 lnstallation of ducts in exterior walls, floors or ceilings shall n4t displace required ���p��r 9 Credit C3ptians (Min One Credit Required) Type Gtuantity Width Ft Width In Height Ft Height In �
<br /> envefope insulatian. Building c�vities may no# be used as duct�. 1a - HIGH EFFICIENGY HVAC EQUIPNIENT 1: Gas, propane or oil-fired furnace Qr boiler 1Nindow 3 5 0 4 q
<br /> with minimum AFUE of 92%, or Air-source heat pump with minimum HSPF of 8.5. ('f
<br /> 503.1t}.2 Leakage Testing: Ducts shall be leak tested in accc�rdance with RS-33, using the Credit) Window 2 2 Q 3 0
<br /> maximum duct leakage rates specified in Section 503.`f 0.3. W��dO`"� � � � � 0
<br /> w��,a�w 2 2 a � o
<br /> 503.1Q.3 Sealing: All ducts, air handlers, filter boxes, and building cavities used as ducts Window 1 4 0 3 6
<br /> shall be sealed. Joints and seams shall comply with S�ction M1601.3 of the International
<br /> Residential Cade or Section 6Q3.9 of the International Mechanical Gode. Duct tightness Window 1 6 0 3 6
<br /> testing shalf be conducted ta verify that the ducts are sealed. A signed affidavit Window 2 2 0 5 0
<br /> documenting the test results shall be pravided tQ the jurisdiction having authority by the Window 1 5 0 5 0
<br /> testing agent. When required by the building official, the test shall be conducted in the _
<br /> presence of department staff. Duct tightness shall be v�rified by either of the following: Window 1 2 Q 5 0
<br /> Window 1 5 5 3 0
<br /> 1. Post-construction test; Leakage to outdoors shaN be less than or equal ta 6 cfm per 100 Window 2 4 Q 4 0
<br /> square feet of conditioned floor area or a total leakage less than or equal to 8 cfm per 100
<br /> square feet af canditioned floar area when tested at a pressure differential of 0.1 inches Glass Door 2 6 0 6 10
<br /> w.g. (25 Pascals} across th� entire system, including the manufacturer's air handler Area - 356 sf U-Factor - Q.32 UA - 113.9
<br /> enclosure_ AII register boots shall be taped Qr otherwise sealed during the te�t. --��-�.��--��--��-.--�w���� ----�--�--
<br /> Exterior �oors
<br /> 2. Rough-in test: Total leakage shall be less than or equal to 6 cfm per 100 square feet of
<br /> conditioned flaor area when tested at a pressure differential of 0.1 inches w.g. (25 Pascals) Type Quantity Width Ft Wid#h In Height Ft Height In
<br /> across the roughed-in system, including the manufacturer`s air handler enclosure. All Exterior poor 1 3 Q 6 8
<br /> register baots shall be taped or otherwise sealed during the test. !f the air handler is not Exterior poor 1 2 8 6 8 -
<br /> insta(led at the time of the test, total leakage sha(( be less than ar equal ta 4 cfm per 140
<br /> square feet of conditioned floor area. Area - 38 sf U-Factor - 0.20 UA - 7.6
<br /> Uverhead Giazin
<br /> Type Gtuantity Width Ft Width In Height Ft Height In
<br /> Area - 0 sf U-Factor - 0.50 UA - 0.0
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