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Alterations Worksheet - 2018 Washington State Energy Code Project information Contact Information COLETTI FIRE REPAIR WOODWAY HOMES, INC. 1617 COLBY AVE 6306 176TH ST SW EVERETT,WA 98201 LYNNWOOD,WA 98037 The WSEC requirements for alterations are located in Chapter 5 of the code text. Alterations (remodels) do not need to obtain energy credits from Table R406.3 Additions must meet the requirements for new construction. This includes nonconditioned space being altered to become conditioned space. Will the wall cavities be exposed? ,, Yes No If yes: Exposed wall cavities must be insulated - 2 X 4 wall studs require R-15 insulation 2 X 6 wall studs require R-21 insulation Will the roof/ceiling framing cavities or attic be exposed? Yes n No If yes: Exposed roof/ceiling assemblies must be insulated - Vaulted ceilings: Insulate to the full depth of the framing member while allowing for the minimum 1" ventilated space Flat ceilings: Install R-49 insulation or what the attic space can accommodate based on the roof pitch Will the floor framing cavities be exposed? Yes - No If yes: Exposed floor cavities must be insulated to R-30 Are the windows and/or doors being replaced? • Yes T No (includes both window or door and frames) If yes: New windows and doors must have an area weighted average U-factor of 50.30 Will the heating or cooling system be replaced? Yes No If yes: New equipment must meet current requirements and ducts need to be tested Will the hot water system be altered? Yes No If yes: New water heating equipment must meet current code requirements Are more than 50% of the light fixtures being changed? i� Yes No If yes: 75% of all lamps must be high efficacy (LED or CFL) 821U1E0 ©1EllVrh 111)DEC 10 2023 SEP 16 2023 CO- CITY OF EVERETT CITY OF EVERETT Permit Services Permit Services