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COMPLIANCE L NWEC LO..AISE RESIDENTIAL COK1LIANCE CHECKLIST <br />REuuIRE:oV� Electrically heated dwellings, s 3 stories, Zone 1, Western Washington <br />INSPECTION 1IMPORTANT: 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 />place checks In the two left columns. <br />FOUNDATION PHASE: <br />❑ I I ❑ I 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 the glazing may lie between 31 to <br />45' of due South. <br />Choose an A or B option and below grade wall Insulation option: <br />❑ ❑ Radon Mitigation slab requirements will be addressed by: <br />❑ A. 4" course grade grave base under slab (jurisdiction will offer roe Radon monitoring option) <br />OR <br />❑ S. Slab won't be poured over gravel base, Dwelling wi a monitored for Radon when <br />completed. (Depart nent staff will provide detat requirements of this option) <br />1 ❑ ❑ Slab Insulation will be 0 R10 (Ch , all optio or ❑ R_(Ch#4 or5): <br />❑ A. Exterior slab Insulation will exte do ward to frostline or the slab bottom. <br />f OR <br />❑ B. Interior slab Insulation will ex d d nward from the top slab surface to Its undersurlace <br />and horizontally under the ab for a t tat distance of 24", or vertically 24". <br />❑ ❑ Below grade masonry wall sulation will e: <br />❑ R10 (Ch #6, All optig ) on the exterlor w I Instead of R19 Interior Insulation. See NWEC <br />OR FINAL PHASE REQUIREMENTS) <br />❑ R_(Chapter4 or 5) <br />❑ ❑ Thermal break(s).Vrlll be placed In the slab between the conditioned and unconditioned spaces <br />checked below, and extend from the top of the slab to the bottom, then underneath toward the <br />conditioned space for a 24" total developed dimension. <br />❑dwelling/garage ❑ dwelling/connected space \Q slab edge and foundation wall. <br />❑ ❑ Exposed above -grade Insulation protected with stucco c6ating, or metal or plastic flashing. <br />❑ ❑ Vapor retarder(<1 perm) required underthe slab because course grade gravel either Is not Installed or <br />less than 2" thick. <br />❑ ❑ Insulation is approved for sub -grade, exterior use and properly installed. <br />NWEC Foundatlon phase requirements: <br />Approved by: <br />Date <br />WEEK APnIL iP <br />Page 3 of 7 <br />