REVIEWED-BLD2022-1233+Energy_Calculations+9.15.2022_1.21.24_PM+3110955Alterations Worksheet - 2018 Washington State Energy Code
Project Information Contact Information
490sf addition to existing residence - no work in existing Peter Gray - Untitled Architects
peterg@untitledarch.com, 574.276.9506
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.........................I.................,
REVIEWED
BY
Will the wall cavities be exposed? r Yes No _ CITY OF EDMONDS
If yes: Exposed wall cavities must be insulated - If DEPARTMENT:
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? F- Yes /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:
Will the floor framing cavities be exposed?
Install R-49 insulation or what the attic space can
accommodate based on the roof pitch
F- Yes /No
If yes: Exposed floor cavities must be insulated to R-30
Are the windows and/or doors being replaced? /Yes F- No
(includes both window or door and frames)
If yes: New windows and doors must have an area weighted average LI-factor of 150.30
Will the heating or cooling system be replaced? F- Yes /No
If yes: New equipment must meet current requirements and
ducts need to be tested
Will the hot water system be altered? F- Yes /No
If yes: New water heating equipment must meet current code requirements
Are more than 50% of the light fixtures being changed? F- Yes f No
If yes: 90% of all lamps must be high efficacy
(LED or CFL)
RECEIVED
Sep 20 2022
DEVELOPMENT SERVICES
DEPARTMENT
BLD2022-1233
R503.1.1 Building envelope. Building envelope assemblies that are part of the alteration shall comply with Section R402.1.1 or
R402.1.4, Sections R402.2.1 through R402.2.11, R402.3.1, R402.3.2, R402.4.3 and R402.4.4.