203 MADISON ST 2022-07-20 - Laserfiche WebLink

• p 8 • Washington State Energy Code—Residential , Prescriptive Energy Code Compliance for All Climate Zones in Washington Single Family—New&Additions(effective February 1,2021) Table 406.3—Energy Credits(Single Family) Option Description Credits:SF 1. EFFICIENT BUILDING ENVELOPE OPTIONS Only one option from Items 1.1 through 1.7 may be selected in this category. Compliance with the conductive UA targets is demonstrated using Section R402.1.4,Total UA alternative,where [1- (Proposed UA/Target UA)] >the required%UA reduction. Prescriptive compliance is based on Table R402.1.1 with the following modifications: 1.1 0.5 Vertical fenestration U =0.24 Prescriptive compliance is based on Table R402.1.1 with the following modifications: 1.2 1.0 Vertical fenestration U =0.20 Prescriptive compliance is based on Table R402.1.1 with the following modifications: Vertical fenestration U =0.28 Floor R-38 1.3 Slab on grade R-10 perimeter and under entire slab below grade slab R-10 perimeter and 0.5 under entire slab or Compliance based on Section R402.1.4: Reduce the Total conductive UA by 5% Prescriptive compliance is based on Table R402.1.1 with the following modifications: Vertical fenestration U =0.25 Wall R-21 plus R-4 ci Floor R-38 1.4 Basement wall R-21 int plus R-5 ci 1.0 Slab on grade R-10 perimeter and under entire slab Below grade slab R-10 perimeter and under entire slab or Compliance based on Section R402.1.4: Reduce the Total conductive UA by 15% 1 Prescriptive compliance is based on Table R402.1.1 with the following modifications: Vertical fenestration U =0.22 Ceiling and single-rafter or joist-vaulted R-49 advanced Wood frame wall R-21 int plus R-12 ci Floor R-38 1.5 'Basement wall R-21 int plus R-12 ci 2.0 Slab on grade R-10 perimeter and under entire slab Below grade slab R-10 perimeter and under entire slab or Compliance based on Section R402.1.4: Reduce the Total conductive UA by 30% Prescriptive compliance is based on Table R402.1.1 with the following modifications: Vertical fenestration U=0.18 Ceiling and single-rafter or joist-vaulted R-60 advanced Wood frame wall R-21 int plus R-16 ci 1.6 Floor R-48 3.0 Basement wall R-21 int plus R-16 ci Slab on grade R-20 perimeter and under entire slab Below grade slab R-20 perimeter and under entire slab or Compliance based on Section R402.1.4: Reduce the Total conductive UA by 40%. Advanced framing and raised heel trusses or rafters Vertical Glazing U-0.28 1.7 R-49 Advanced (U-0.020)as listed in Section A102.2.1, Ceilings below a vented attic and 0.5 R-49 vaulted ceilings with full height of uncompressed insulation extending over the wall top plate at the eaves. Prescriptive Path—Single Family 2018 Washington State Energy Code-R 4