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<br /> N4TES PER 2009 WSEC N�TES PER 2009 WSEC Washington State Energy Code 20U9
<br /> Heating Sytstem Sizing - Ciimate Zone 1
<br /> 502.4.3 Seals and Weatherstripping: a. Exterior joints around windows and door frames, 502.4.5 Building Air Leakage Testing: Building envelope air leakage control shail be
<br /> openings between walls and foundation, between wails and roof and wall panels; openings considered acceptab(e when tested ta have an air leakage less than O.Q0030 Specific Buifder -Adair Enterprises File:106 Prepared by: Dennis Smiley
<br /> at penetrations of utility services through walls, floors and roofs; and all other openings in Leakage Area {SLA) when tested with a blower door at a press of 50 Pascals {4.2 inch Plan - 2183 Home Design 360-658-3302
<br /> the building envelope and all other openings in between units shall be sealed, caull�ed, w.g.). Testing shall accur at any time after raugh in and after installation of penetratians of
<br /> gasketed or+�veatherstripped to limit air leakage. C}ther exteriar joints and seams shaN be the building envelc�pe, including penetrations far utilities, plur�tbing, eleetrical, ventilation, m_._._._..____._.__�._..._�,r .�_�..�___..._.__�_�,�_.�_._.._ _..�,u�� _____.____.�.� _,..�__..m�...w , _�.�_.�. m�.. .____ �
<br /> simi(arly treated, or taped, or covered with moisture vapor permeable housewrap. and cambustian a�pliances and sealing thereaf. iNhen required by the building afficial, the Design Temp Difference Indoor - Outdoor Design Temp - 7Q - 21 49
<br /> test shall be conducted irt the presence of department staff. The blower door test results Gonditioned Volume (Lawer Floor x H) + (Upper Floor x H) 19697
<br /> 502.1.6.'[ Vapor Retarders. Vapor retarders shall be installed on the warm side (in winter) shall be recorded on the certificate required in Section 105.4.
<br /> of insulation as specified in the faHowing cases. EXCEPTIt�NS: 1. Additions less than 750 square feet. 2. Once visual inspection has Gonditioned Floor Area Lower Floor + Upper Floor 2183
<br /> EXCEPTION: Vapor retarder installed with not mQre than 1/3 of the nominal R-value cvnfirmed the presence of a gasket (see Section 502.4}, operable windows and doors Vertical Glazing Area Windows and Glass Doors 277
<br /> between it and the conditioned space. manufactured by small business shall be permitted to be sealed off at the frame prior to the Glazing Percentage Vertical Glazing / Floor Area = 277 / 2183 12.69
<br /> test.
<br /> 502.1.6.2 Floors: Fiaors separating conditianed space from unconditioned space shall Table 6-1 for Climate Zone 1 {Option based on G{azing Percentage�
<br /> have a vapor retarder installed. The vapor retarder shall have a one perm dry cup rating ar Specific Leal�age Area (SLA) shall be calculated as fallows.
<br /> Vertical Door Above Belaw Below
<br /> less (i.e. four mi! [�.OQ4 inch thick] polyethyfene c�r kraft faced material). ����o� Glaziog! �_ Overhead U- Ceiling Vaulted Grade Grade Grade Floor Slab
<br /> SLA = (CFM50 x �.055)J{CFA x 144) Floor/o Factor U-Factor Factor Wafl lnt Ext Floor
<br /> 5Q2.�.6.3 RooffCeilings: Roof/�iling assemblies wherephe ventilation spa�ce above the Vl(here: ❑���� ��� �❑�❑❑��p
<br /> insulatian is less than an avera e of '12 inches sha(I be ravided with a va c�r retarder. CFM5U = Blower daor fan flow at 50 Pascal pressure difference I 13lQ 4.34 0.50 0.20 R-38 R-2� R-2/ R-1� ft-30
<br /> Faced batt insulation where used as a vapor retarder shall be face stapled. Single rafter CFA - Gonditianed Floor Area of the housing unit
<br /> ,�mM�,m.,_ � ,,__ m,.T� �� n�.�.. _�,� �., _�,� �.��
<br /> joist vaulted ceiling cavities shall be of sufficient depth to allow a minimum one inch vented R
<br /> air space above the insulation. During testing: UA T�tals
<br /> '[. Exterior wind�ws and d�ors, fireplace and stove daors shall be closed, but nat sealed. 2. Component Area U-Factor UA
<br /> 502.1.6.4: Vapor retarders shall not be required in raoflceiling assemblies where the Dampers shalf be closed, but not sealed; including exhaust, intake, makeup air, back draft, Vertical Glazing 277 0.34 94.2
<br /> ventilation space above the insulation averages 12 inches ar greater. and flue dampers; 3. lnterior doors connecting cc�nditioned spaces shall be open; access Exterior poors 42 Q.2 8.4
<br /> hatches to conditianed crawl spaces and conditic�ned attics shall be open; doors connecting
<br /> 5(12.1.6.5: Vapor retarders shall not be required where all of the insulation is installed to uncanditianed spaces shal( be closed but nat sea(ed; 4. Exterior openings far cantinuous 4verhead G(azing Q 0.5 0.0
<br /> between the roof inembrane and the structural r�of deck. aperatian ventilation systems and heat recovery ventilatars shall be closed and sealed; 5- Geiling - STD F249 1,384 0.427 37.4
<br /> Heating and cooling system(s) shall be turned off; 6. HVAC ducts sup�ly and return Abave Grade Walls 2335 fl.456 13Q.8
<br /> 5Q2.1.6.6 Walls: 1Nalls separating conditioned s�ace from unconditioned space shall have � registers shall not be sealed.
<br /> a vapor retarder instalked. Faced batt insulation shall be face stapled. Framed Flaors 1,384 0.029 40.1
<br /> 1 Q5.4 Certificate: A permanent certificate shall k�e posted within three feet of the electrical Slab on Grade Floors (L) 0 0.54 fl.0
<br /> 502.1.6.7 Ground Cover: A ground cover of six mil (0.006 inch thick} black polyethylene c�r distribution panel. The certificate shall be completed by the builder or registered design Total UA 310.9
<br /> approved equal shall be laid over#he graund within crawl spaces. The ground cover shall professional. The certificate shall list the predominant R-ualues of insulation instailed in or
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<br /> be averlapped 12 inches minimum at the joints and shall extend to the faundation wall. on ceiling/roaf, wa11s, fc�undation (slab, basement wall, crawlspace wall andlar flaor), and
<br /> EXCEPTI�N. The ground cover may be omitted in crawl spaces if the crawl space has a ducts Qutside the conditioned spaces; U-factors for fenestration; and the salar heat gain Heating System Sizing by BTU/HR
<br /> concrete slab flaor with a minimum thickness af 3-1/2 inches. coefficient (SHGC} of fenestratic�n. Where there is more than one value for each Envelope Heat Load Total UA x Design Temp Difference 15,234.1
<br /> component, the certificate shall list the value covering the fargest area. The certificate shal{ Air Leakage Load Valume x 0.6 x Temp Difference x Q.018 10,423.7
<br /> 545.1 Interior Lighting: A minimum of 50 percent of all luminaires shall be high efficaey list the type and efficiency of heating, cooling, and service water heating equipment, duct Building Design Heat Load Envelope Load + Air Leakage Load 25,657.8
<br /> luminaires. feakage rates including test conditic�ns as specified in Section 503.10.2, and air leakage Add Duct Load Factor Building LQad x 1.15 29,506.5
<br /> results if a blower door test was canducted.
<br /> 503.8.1 Temperature Cantrol: The primary space conditioning system within each dwefling
<br /> unit shall be rovided with at least one programmable thermastat for the regulatian of ADVARIGED FRAMED CEILING: Advanced framing assumes full and even depth of Maximum Heat Equipment Output Total Building Load x 1.5 44,259.8
<br /> p insulation extendin tc� the outside ed e of exteriar walls.
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<br /> temperature. The thermostat shall allow for, at a minimum, a 5-2 programmable schedule g � Door and Window Schedules
<br /> (weekdays/ weekends) and be capable of providing at least two programmab(e setback
<br /> periods per day. _� ___� .�_. , . �� ____� _ �..�.m Vertical Glazin -�Windovvs and Glass Daors
<br /> Cha ter 9 Credit C7 tions Min One Gredit Re uired T e Quantit Width Ft Width In Hei ht Ft Hei ht In
<br /> 503.1(}.1 lnstallation of ducts in exteriar walls, floors or ceilings shall not displac� required P P � � 7 �p y g g
<br /> enuelope insulation. Building cavities may not be used as ducts. 1a - HfGH EFFICIENGY HVAC EQUIPMENT 1: Gas, propane ar oil-fired furnace or boiler V�/indow 1 1 6 6 0
<br /> with minimum AFUE of 92%, �r Air-source heat pump with minimum HSPF of 8.5. (1 Window 1 2 0 4 0
<br /> 503.10.2 Leakage Testing: Qucts shalf be leak tested in accordance with RS-33, using the Credit�
<br /> maximum duct l�akage rates specified in Section 503.10.3. Window 1 4 0 5 0
<br /> Window 2 5 0 5 0
<br /> 5C?3.'IQ.3 Sealing: All ducts, air handlers, filter boxes, and building cavities used as ducts . WindoW 4 2 fl 2 p
<br /> shall be sealed. Joints and seams shall comply with Sectifln M1601.3 of the fnternational
<br /> Residential Code or Section 6Q3.9 of the Internatianal Mechanical Gode. Duct tightness Window 6 4 0 4 0
<br /> testing shall be conducted to verify that the ducts are sealed. A signed affidavit Window `[ 6 0 4 0
<br /> documenting the test results shall be provicied to the jurisdiction having authority by tf�e Window 1 2 0 3 �
<br /> testing agent. When required by the building afficial, the test shall be canducted in the
<br /> presence of department staff. Duct tightness shafl be verified by either of the folbwing: Glass Door 1 6 0 8 Q
<br /> Area - 277 sf U-Factor - 0.34 UA - 94.2
<br /> 1. Post-canstruction test: Leakage to autdoors shall be less than or equal to 6 cfm per 100 �
<br /> square feet of conditianed flaor area or a total leakage Iess than or equal to $ cfm per 1 flU Exterior poors
<br /> square feet af canditioned floar area when tested at a pressure differential af 0.1 inches
<br /> w.g. (25 Pascals) across the entire system, including the manufacturer's air handler Type Quantity Width Ft Width In Height Ft Height In
<br /> enclosure. All register baots shall be taped Qr otherwise sealed during the test. Exterior poor � 3 0 8 0
<br /> Exterior poor 1 2 8 6 8
<br /> 2. Rough-in test: Total leakage shall be {ess than or equal to 6 cfm per 1�0 square feet of
<br /> conditioned floor area when tested at a pressure differential of 0.1 inches w.g. (25 Pascals) Area - 42 sf U-Factor - 0.2Q UA - 8.4
<br /> across the roughed-in system, including the manufacturer's air handler enclosure. AII .__..�_..�_�....._.�.�..._...._._._.__._�_.__�.�_.__._�..�.._._ . .�.___�._� ��.�� ._ ___�� �.�_e��__
<br /> register boots shall be taped ar otherwise sealed during the test. If the air handler is not averhead Glazin
<br /> installed at the time af the test, total leakage shal( be less than or equal to 4 cfm per 10Q Type Quantity Width Ft Width In Height Ft Height In
<br /> square feet of conditioned floor area.
<br /> Area - 0 sf U-Factor - Q.50 UA - 0.0
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