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The Chapter 5 Approach Thls compliance rnethod al/ows any combinatlon ol building envelope <br />components !f their collective heatloss (R and U-values) doesn't exceed a maximum WSEC bud�et. The <br />Chapte� 5 approach is a good cholce !o� addit(ons that don't conlorm to any o! the Chapter 6 pathways. This is <br />tnre because Chapter 5 allows Component PeAormance calcu/ations to inc/ude heat bss improvements in the <br />ex7sting home. The Chapter 6, Presciptive Approach would no�mally be the /lrst cholce tor new dwellings since <br />it p�ov)des a variety of compllance optlons, !s easier to use, and !s no more stringent than Chapter 5. <br />Component Pedormance calculations. may also be performed by compute� using programs such as WATTSUN <br />5.1. <br />Instructions: <br />Pages 1, 2, 3 The (irst two pages provide instructions and �orms for peAorming the Component Performance <br />calcufations. The third page sizes the heafir,g system. <br />Pages 4 to S In the shaded areas, make checks in the circles next to the requiiemenfs oi your infen�ied <br />design. Dlsregard components o� equipment that don't apply to your project. Your permif wi11 be processed <br />more e//iciently i! you piovide all the requested inlormation. Department sta/1 can help you wlth geneial <br />questions about this (orm. <br />This torm Is intended to educate and provide enlorcement consistancy between Inspectors and bullding <br />jurisdictions. Instead of searching through the WSEC, this form wtll help organize and condense the <br />requi�ements thaf apply toyour project. Requi�ements are grouped by loundation, (�aming, insula('ron, and iinal <br />inspection phases. <br />Responsibility /or information: lt is ultimately your responsibiliry to provide defalled information about heating <br />systems, glazing, insulation, and other bullding specifications. Be su�e to get prlor approval /iom the <br />Department il you make changes that deviate lrom !he comp/eted lorm. For more code detail, reler to the <br />Washington State Cnergy Code, i99i Edition. <br />Compllance responsiblilry: This lorm wlll ��ltimately be used /or ail WSEC lleld inspections. When It is returned <br />with your permit, nofe all boxes thaf have 6een checked under the "COMPL/ANCE RE�U/RED" column. These <br />boxes denote which requirements the inspector will check at eacn Inspection phase. He will inspect and <br />approve each of these checked ifems by placing a second check in the "INSPECTION APPROVED" cofumn. <br />A11 Residential Occupancies <br />OTHER heat source �GaS, oil, propane, wood, heat pumps) <br />S4EES/BOWMAWOCTOBER 91 <br />• . , <br />