(Effective until July 1, 2023)
Section C406.10—Envelope option.
C406.10 Enhanced envelope performance. The Proposed Total UA of the thermal envelope of the whole building or building addition shall be 15 percent lower than the Allowable Total UA for an area of identical configuration and fenestration area in accordance with Section C402.1.5 and Equation 4-2.
(Effective July 1, 2023)
[Statutory Authority: RCW 19.27A.020
and chapters 19.27A
RCW. WSR 22-14-091, § 51-11C-40610, filed 7/1/22, effective 7/1/23. Statutory Authority: RCW 19.27A.020
and chapter 19.27
RCW. WSR 19-24-040, § 51-11C-40610, filed 11/26/19, effective 7/1/20.]