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MEBR N_Ai NWEC LOWR'SE RESIDENTIAL COMP>-�ANCE CHECKLIST <br />COMPLElectrl <br />REQUIRED, 2' cally heated dwellings, s 3 stories, Zone 1, Western Washington <br />INSPECTION I IMPORTANT: Please supply Information requested In the shaded box below. <br />APPROVED <br />Disregard topics that don't describe your building or equipment. DO NOT <br />r- place checks In the two left columns. <br />FOUNDATION PHASE: , <br />❑ ❑ Solar orientation (Chapter 6, Option III, or Chap 4 only): Glazing on the / side off the <br />home must face within 45 degrees of due south. No more than 60%of tlrf-g_may lie between 31 to <br />45' of due Soulh. <br />Ir <br />Ghoose an A or B option and below grace walls lion option: <br />❑ ❑ Radon Mitigation slab requirements will be addresse <br />❑ A. 4• course grade grave base under sfa� diction will offer free Radon monitoring option) <br />OR <br />❑ B. Slab won't be poured over g avel e, Dwelling will be monitored for Radon when <br />completed. (Department -Staff w provide detailed requirements of this option) <br />❑ ❑ Slab Insulation will be ❑/R10 (,C #6, all options) or ❑ 8_(Ch#4 or5): <br />❑ A. Exterior slab insulation wM extend downward to frostline or the slab bottom. <br />OR / <br />❑ B. Interior slab Insular n will extend downward from the lop slab surface to Its undersurface <br />and horizontally under the slab for a total distance of 24•, or vertically 24". <br />❑ ❑ il il `Below grade maso ry wall insulation will be: <br />❑ R10 (Ch #6,111 options) on the exterior wall instead of Rig Interior Insulation. See NWEC <br />OR FINAL PHASE RECUIREMENTS) <br />❑ hapte ior5) <br />❑ ❑ x Thermal br ak(s) will be placed in the slab behvaen the conditioned and unconditioned spaces <br />checked b w, and extend Ire top of the slab to the bottom, then underneath toward the <br />condillo d space for a 24" total develo imenslon. <br />dwelling/garage ❑ dwell Ing/co wiftted space ❑ slab edge and foundation wall. <br />❑ ❑ posed above grade Insulation protected with stucco Coe or metal or plastic flashing. <br />❑ ❑ Vapor retarder(<1 perm) required under the slab because course gra gravel either is not installed or <br />less than 2' thick. \ <br />❑ Insulation Is approved for sub -grade, exterior use and properly nstalled. <br />NWEC Foundation ph g a requirements: <br />Approved by: <br />D e t e_T__ <br />for <br />WEE9 APRIL 10 <br />Page 3 of 7 <br />