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• • • TABLE 406.3 ENERGY CREDITS CREDIT(S) OPTION DESCRIPTION All Other Group R-2 I1.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 0.5 modifications: Vertical fenestration U=0.24. 1.2 Prescriptive compliance is based on Table R402.1.1 with the following 1.0 1.0 modifications: Vertical fenestration U=0.20. 1.3 i Prescriptive compliance is based on Table R402.1.1 with the following 0.5 N/A modifications: Vertical fenestration U=0.28 Floor R-38 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 i by 5%. 1.4 Prescriptive compliance is based on Table R402.1.1 with the following 1.0 . t0 modifications: Vertical fenestration U=0.25 Wail R-21 plus R-4 ci Floor R-38 Basement wall R-21 int plus R-5 ci 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%. 1.5 Prescriptive compliance is based on Table R402.1.1 with the following 2.0 E 1.5 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 Basement wall R-21 int plus R-12 ci 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%. RE-42 201$Washington State Energy Code