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<br /> � ��hapter �� Prescri ��ve Opt�o�t�far�ail°R fl�c ncies> • ���a� � � ����
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<br /> n,, Instructions: �;;
<br /> 1) Care(ully review the requi�ements o1 each oI the options below. Choose an option that best suits your
<br /> dwelling design. Glazing percentage typically determines which oplion to choose. Your building must match -�
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<br /> fhe selected Opfion requirements without ezcepfions orsubstitutions. �
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<br /> 2) In the shaded areas on the pages that lolfow, make checks in fhe circles next to fhe requirements o�your <��
<br /> Opfion(Ihe Option numbers a�e In paretheses next to the choices). Dis�egard components o�equipment that ~
<br /> ` don't apply to your project. Your permit will be processed more eHiciently il you provide all oi the requested '=�
<br /> inlormation. Department stal/can help you wdh general questions about this lorm.
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<br /> Can't comply? 1i none .ol the Chapter 6 Options are acceptabla, conslder the Chapfer 5, Component �
<br /> Pe�formance, Approach. Tha main aavantag3 is llexibrlity to juggle individua!R and U-values as long as a n �
<br /> overall ma�imum va'uc isn't exceeded. Nofe fhat the overall thermal requirementc ol Chapte�5 are nc less �:
<br /> stringent than Chapter 6. Calculations may be performed w.ith a Chapter 5, Component Performance `'`;
<br /> Worksheet, o�by using an acceptab/e computer program such as WA7TSUN 5.1. '�;
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<br /> �, ' .,�,��..,�"�,,r �"�`�" PT VII PT VIII `,
<br /> c�, '�a,�� �,,�v OPT I OPT II OPT III OPT N nPT V OPT VI �z�;,, k zs,,,,� :
<br /> Plan Revlew .,,�,��,;,;������ O � O O O O O O '
<br /> (FaoKckluseony) '. •=
<br /> =`; Glazing max: "
<br /> The seleded Option Is � %ollloor 10% , 12% 12% 15% �8% 21% 25% 30% "'
<br /> ap�ropdate for this °� U-value Z 0.46 ' 0.43 0.46 0.40 0.39 0.36 0.35 0 32 �'�
<br /> dwelling design:
<br /> YES � -�: Door U-value z 0.40 0.20 0.40 020 020 0.20 0.20 0 20
<br /> NO `� (or R-value) (R-2.�, (R-5) (R-2.5) ;, (R-5) (R•5) (R-5) lR-5} (R 5) '•
<br /> Option_ may 6e a � C���Ings
<br /> better�hofce. with attics R•38 R•38 R�8 R•38 R•38 R-38 R-38 R 38 .
<br /> vauked R�0 = R�0 R•30 R-30 R�0 ' Fi-30 R-30 R 30 ��
<br /> Notes: "
<br /> ~ Walls ,
<br /> � above rade � '
<br /> 9 R-21 R-19 R-21 R-19 R•21 ': R-21 R-19 R 19
<br /> . belowgrade �'
<br /> �� inferior A•21 , R-19 R-21 ; R-19 R-21 : R-21 R4t R 21 p:
<br /> ezterior R-10 R-10 R-10 R-10 R-10. R-10 BdQ R-10 ::
<br /> - Fioor R30 : R�0 R-30�'r R�0 R�30`: R-30 F�0' R�0 '�"
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<br /> Slab on grade R 1Q , R-10 ,R 10,. R-10 R-16 -' R-10 A•10 ' R 10 ?�
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<br /> Footnote: ?„5
<br /> �03187... - . t) RS fmm�he�tlng requlred In�ddltlon to R18 uvity Inwlatlon. '�
<br /> � � � ' 2) Giaxlnp �nd door U•velues m�y ba wdphted lo meet ths Opllon U-velue roqulremenl ;-��
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<br /> WEESMOF7Afl'SEPTEMBER t991 — f 3QE 1 O� 6
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