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2018 WSEC ANALYSIS: m
<br /> WSEC SECTION R401.3 L
<br /> A permanent certificate shall be completed by the builder or other approved party w°°` a
<br /> and posted on a wall in the space where the furnace is located,a utility room,or an
<br /> approved location inside the building.When located on an electrical panel,the ,°„,o„so,,."° „„"=,„"Mo° I" Q
<br /> certificate shall not cover or obstruct the visibility of the circuit directory label,service » °�
<br /> disconnect label,or other required labels.The certificate shall list the predominant z
<br /> R-values of insulation installed in or on ceiling/roof,walls,foundation(slab, below- "°W ^«
<br /> grade wall,and/or floor)and ducts outside conditioned spaces; U-factors for ° .... ,
<br /> fenestration and the solar heat gain coefficient(SHGC)of fenestration;the results - .^wP^.._-.
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<br /> qaqny required duct system and building envelope air leakage testing done on the 1T8155�
<br /> building;and the results from the whole-house mechanical ventilation system flow `°"°.•,......
<br /> rate test. y�
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<br /> WSEC SECTION R402.4
<br /> The building thermal envelope shall be constructed to limit air leakage. Each ^•^ M^^^ °""" ^" ��m
<br /> dwelling unit shall be tested and verified as having an air leakage rate of not
<br /> exceeding¢air changes per hour.Testing shall be conducted with a blower door at
<br /> a pressure of 0.2 inches w.g.(50 Pascals)and per the requirements of section ° m.�:
<br /> R402.4 of the Washington State Residential Energy Code.
<br /> Air barrier and thermal barrier
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<br /> A continuous air barrier shall be installed in the building envelope.Exterior
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<br /> thermal envelope contains a continuous air barrier.Breaks or joints in the air „""„�T, ,,., P p ,°T^ ,, °""""
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<br /> barrier shall be sealed.Air-permeable insulation shall not be used as a sealing ..,».,^.I°� »°»° °.�»,..»..� .<.., ,.ma sl.d sw.d"„ .»...„, Tng" "I,",,. --
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<br /> Cavity Insulation Installation -- -
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<br /> All cavities in the thermal envelope shall be filled with insulation.The density of °° ° ""°_•°'° °°"'" =w"" °" °°° p ""`"'"' uw1D..nl..°P....oh.w.l...
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<br /> the insulation shall be at the manufacturers'product recommendation and said T°1P'0A3fu""""'""`"°"' • ° "^ °°• ,°° "^"•__^"_' "'""°""""""'°'"" """"`°"""`"°" -= R«w.sawm.
<br /> density shall be maintained for all volume of each cavity.Batt type insulation willo do
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<br /> show no voids or gaps and maintain an even density for the entire cavity.Batt ^ '"`°"," -
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<br /> insulation shall be installed in the recommended cavity depth.Where an rc _�.•^••^ b•K.^»"PI.,..°"••+ •W» ".., ° a
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<br /> obstruction in the cavity due to services,blocking,bracing or other obstruction >� ry^••+ a•.=*• ^""P""^=�•�«PI".»•^"•PP••� ""° "" "
<br /> exists,the batt product will be cut to fit the remaining depth of the cavity.Wherethe batt is cut around obstructions,loose fill insulation shall be placed to fill any ,w,.aw.,an.,,u..l"
<br /> surface or concealed voids,and at the manufacturers'specified density.Where °^ '" °• " r...
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<br /> faced batt is used,the installation tabs must be stapled to the face of the stud.
<br /> There shall be no compression to the batt at the edges of the cavity due to inset P"P<••..•,I.. r��a
<br /> stapling installation tabs. " " .»..^,"^ »»°°",.° ."..., a
<br /> Insulation that upon installation readily conforms to available space shall be r. " ° "^ °^ Z
<br /> installed filling the entire cavity and within the manufacturers'density O
<br /> recommendation. wE..."", a..".",""" ..,.I.<," „" »» .......»""... "o, , . ....U. cc® �
<br /> Ceiling/attic w " (n
<br /> The air barrier in any dropped ceiling/soffit shall be aligned with the insulation " " ° O°",»" Z m
<br /> and any gaps in the air barrier sealed.Access openings,drop down stair or knee """""°°° ,"" . ""' , U,J Cn
<br /> wall doors to unconditioned attic spaces shall be sealed. The insulation in any } z
<br /> dropped ceiling/soffit shall be aligned with the air barrier. Batt insulation installed ° <°", °" U J
<br /> in attic roof assemblies may be compressed at exterior wall lines to allow for ^'"' """° °" "" °'"""' °'`°°'°° """ """"" w
<br /> required attic ventilation. "„•„<.°°, ,.T..,.».°.,., „«.•, °"°.I".",• °ni `^°'" " Cn Q J
<br /> Walls w. awl." - Z 0-
<br /> Corners and headers shall be insulated and the junction of the foundation and TXE M•L ENVELOPE-1.-P.w..a o.lnn S. -d Q
<br /> sill plate shall be sealed.The junction of the top plate and top of exterior walls °
<br /> shall be sealed.Exterior thermal envelope insulation for framed walls shall be
<br /> installed in substantial contact and continuous alignment with the air barrier. w,. ,P"+="°°•"<^•.,=.°,.P"",^"^.."•,°,°»E",.A«°s°-E"Eaovcu°,-",I*.°.®.^ .,
<br /> - - Knee walls shall be sealed. P,.r<.w.<...°w"<^..,,z<..P"".,.,""SW.,.�"..°.C.L�:,,..°"°",. �",T
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<br /> Windows.skylights and doors
<br /> The space between window/doorjambs and framing and skylights and framing
<br /> shall be sealed. HEATING/COOLING SYSTEM SHALL BE A MULTI-HEAD DUCTLESS SPLIT HEAT PUMP SYSTEM.MINIMUM COOLING EFFICIENCY SHALL
<br /> Rim foists MECHANICAL SYSTEMS: BE 14.0 SEER OR BETTER,AS TESTED PER AHRI STANDARD 210/240.MINIMUM HEATING EFFICIENCY SHALL BE 10.0 HSPF AS TESTED
<br /> Rim joists shall be Insulated and Include the air barrier. HEATING/COOLING&WHOLE PER AHRI STANDARD 210/240.(PER WSEC TABLE C402.2(2)&WSEC CREDIT 3.6).SYSTEM SHALL BE CAPABLE OF HEATING AT
<br /> Floors lincludina above-aaraae and cantilevered floors) HOUSE VENTILATION SYSTEM OUTDOOR TEMPERATURES OF 5°F OR LOWER.
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<br /> SHALL BE DESIGN/BUILD BY SYSTEM SIZING SHALL BE INDICATED IN WSEC-R CALCULATIONS ABOVE,OR AS DETERMINDED BY MECHANICAL ENGINEER.
<br /> Insulation shall be installed to maintain permanent contact with underside of c U
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<br /> subfloor decking.The air barrier shall be installed at any exposed edge of OTHERS,THE DESIGN OF WHICH INDOOR DUCTLESS SPLIT HEAT PUMP SYSTEM
<br /> BE PROVIDED FOR REVIEW Q J
<br /> insulation. AS A DEFERRED SUBMITTAL.
<br /> 1B Crawl space walls OUTDOOR CONDENSING UNIT. c =
<br /> Where provided in lieu of floor insulation,insulation shall be permanently M p
<br /> attached to the crawlspace,walls.Exposed earth in unvented crawl spaces shall W
<br /> be covered with a Class I vapor retarder with overlapping joints taped. U
<br /> Shafts.penetrations WINDOW'O' Z p
<br /> Duct shafts,utility penetrations,and flue shafts opening to exterior or WALL do a SGD a3 X
<br /> unconditioned space shall be sealed. W1 WINDOWS' O Lu U
<br /> Narrow cavities ---- AIR BARRIER&THERMAL ENVELOPE 122 SF 22 36 PIC WINDOW'B' WALLso5oSLDR Wi LL
<br /> Batts in narrow cavities shall be cut to fit and installed to the correct density ® AIR BARRIER&THERMAL ENVELOPE AT FLOOR 18WIN I 123 SF 7 �_ U
<br /> without any voids or gaps or compression.Narrow cavities shall be filled by ® L U a
<br /> Insulation that on Installation readily Conforms t0 the available Cavity space. AIR BARRIER&THERMAL ENVELOPE AT CEILING/ROOF UJ
<br /> Garaae separation
<br /> Air sealing shall be provided between the garage and conditioned spaces. OOF Red.10-7 m
<br /> NOTES: U=0.020
<br /> Recessed hohting 1. Wall areas indicated are"net"measurements and do not include FLOOR Ref.10-2:
<br /> Recessed light fixtures installed in the building thermal envelope shall be air door or window openings. F=0.360 WnNDow'B' 636 SF
<br /> tight,IC-fated. 2. Assembly for party walls at units are not described in WSEC WALL 6°60 SLDR
<br /> appendix A;calculated R-value is assumed as follows: 75 SF 1A
<br /> z Plumbing and wiring 27 SF ef.10-3 U=0.025
<br /> N Batt insulation shall be cut neatly to fit around wiring and plumbing in exterior INTR AIR FILM: 0.17 558 SF
<br /> H walls. There shall be no voids or gaps or compression where cut to fit. GWB: 0.45
<br /> a Insulation that on installation readilyconforms to available space shall extend w/GATT INSUL.
<br /> P wi zxa @ i 6"or.: 12.70
<br /> - behind piping and wiring. SHEATHING: o.ea Z
<br /> Shower/tub on exterior wall UNVENT.AIR GAP: 0.91 WALL k' WINDOW'CC'
<br /> SHEATHING: 0.94 So 3o PIC y,
<br /> Exterior walls adjacent to showers and tubs shall be insulated and the air barrier R15 BATT INSUL. LqF
<br /> 397 SF „
<br /> installed separating them from the showers and tubs. wi 2x4 @ 16"OC: 12.70 „ WA L m wgLL d
<br /> Electrical/phone box on exterior walls GWB: 0.45 - fin nw• cr. .ra•e•-,•-
<br /> The air barrier shall be installed behind electrical or communication boxes or air INTR.AIR FILM:_ D.17 '< u,sP '+ 3.,ar O H
<br /> TOTAL 29.43(U=0.034) WINDOW'CC' ,
<br /> sealed boxes shall be installed. SF eo 30 Plc
<br /> o HVAC resister boots —
<br /> WINDOW'L'
<br /> a HVAC register boots that penetrate building thermal envelope shall be sealed to WSEC SECTION R402.1 0 ►t Yl
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<br /> o the subfloor or drywall. 0 0
<br /> I INSULATION 8 FENESTRATION REQUIREMENTS WALL "
<br /> BY COMPONENT: 366 SF o 1A
<br /> WSEC SECTION R403.7.1 Fenestration max.U-factor: 0.27 for operable wINDOW'EB :JOB NO.: 22205
<br /> All detached one-and two-family dwellings and multiple single-family dwellings windows,0.24 for 40 30 SLDR
<br /> fixed windows
<br /> P (townhouses)up to three stories in height above grade plan using electric zonal a PLOT DATE
<br /> ` heating as the primary heat source shall install an inverter-driven ductless mini-split m 8/4/202311:00:16 AM
<br /> ° heat pump in the largest zone in the dwelling. Building permit drawings shall Roof/Ceiling R-Value: R-49,adv.framing T.
<br /> specify the heating equipment type and location of the heating system. (raised heel truss) 1 DATE: 06roe/2023
<br /> Floor R-Value R-38 WALL WALL WINDOW'C'
<br /> E W1 WINDOW'N W1 ;,SCALE: As indicated
<br /> = Wood-frame wall R-Value: 133 SF 10 60 SLDR 124 SF 26 50 Vinyl Window,
<br /> WINDOW'L' DRAWN: MB
<br /> Exterior: R-21
<br /> o Party walls: (2)R-15 zS 5o PIC ''CHCKD: TM
<br /> y Notes: 1 ST F L R. GENERAL SHEETS
<br /> See sheet A20 for typical weather barrier installation details Slab R-value&Depth R-10(perimeter& F 3 R D F L R. °SHEET NO.:
<br /> See sheet A21 for typical air barrier installation details under entire slab) A03 b2
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