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Alterations Worksheet-2018 Washington State Energy Code <br /> Project Information Contact Information <br /> Richard Sullivan Basement Dwelling Unit Addition <br /> The WSEC requirements for alterations are located in Chapter 5 of the code text. <br /> Alterations (remodels) do not need to obtain energy credits from Table R406.3 <br /> Additions must meet the requirements for new construction. This includes nonconditioned space being <br /> altered to become conditioned space. <br /> Will the wall cavities be exposed? W Yes r- No <br /> If yes: Exposed wall cavities must be insulated- <br /> 2 X 4 wall studs require R-15 insulation <br /> 2 X 6 wall studs require R-21 insulation <br /> Will the roof/ceiling framing cavities or attic be exposed? r" Yes W No <br /> If,yes: Exposed roof/ceiling assemblies must be insulated - <br /> Vaulted ceilings: Insulate to the full depth of the framing member <br /> while allowing for the minimum 1"ventilated space <br /> Flat ceilings: Install R-49 insulation or what the attic space can <br /> accommodate based on the roof pitch <br /> Will the floor framing cavities be exposed? F Yes No <br /> If yes: Exposed floor cavities must be insulated to R-30 <br /> Are the windows and/or doors being replaced? r- Yes ,� No <br /> (includes both window or door and frames) <br /> If yes: New windows and doors must have an area weighted average U-factor of:50.30 <br /> Will the heating or cooling system be replaced? r" Yes r No <br /> If yes: New equipment must meet current requirements and <br /> ducts need to be tested <br /> Will the hot water system be altered? 7 Yes W No <br /> If yes: New water heating equipment must meet current code requirements <br /> Are more than 50% of the light fixtures being changed? 7 Ye W No <br /> If yes: 90% of all lamps must be high efficacy <br /> (LED or CFL) <br />