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<br /> x C'� � ' Cha cer 6 Prescriptive Qptions for a�l R Occu�ancCes ;���_ � ;�
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<br /> y Instructfons: ��
<br /> � y H � 1) Caro/ully review the requiromenfs o!each of fhe optlons below. Choose an ophon that best suifs your `�
<br /> y r � dwelling design. Glazfng percenfage typically determines which apfion to choose. Your bullding must mafch �
<br /> h y� fhe selected Opfion requirements wdhout exceptions or substitutions. -�'
<br /> ;� ;s,
<br /> � �o °; 2) In the shaded areas on the pages that follow, make checks in the circies next to the requlrements ol your
<br /> �� � Oplinn(the Option numbers are in paretheses next to che choices). Disregard components or equlpment ihat
<br /> z r+ �;" don't appty to your project. Your permit will be procossed more etlicienfly il you provide all ol the requested
<br /> r "'3� '` information. Department stal!can help you with general questions about this form. �
<br /> r-�y ;;
<br /> o ��H �' Can't complyllf none ol the Chapfer 6 Options are accepfable, conslder the Chapter 5, Component �
<br /> � ��' � PeAorm,3nce,Approach. The main advantage rs lfexibiliry to juggle individual R and U-values as long as a n �e
<br /> r = overall maximum value isn't exceeded. Note fhat the overa'1 fhermal requiremerfs ol Chapfer F are no les ?'
<br /> z y y ' stringert than Chapter 6. Calculations may be perlormed with a Chapter 5, Component Per/ormance �
<br /> y �y �°� Worksheet,or by using an acceptable computer program such as WATTSUN 5.1. ��;
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<br /> ' OPTVI OPTVII
<br /> OPTI OPTII OPTIII OPTIV OPTV �szsa�es� �:zsrones�
<br /> Ptan Review � � � � Q � �
<br /> �� � (faaN,icial uso only) .:�,�� �
<br /> �� HVAC AFUE z.7a z.78 a.88 z.78 z.74 2.78 2.78 g:.
<br /> Seiecled Option is • Glazing mex: �
<br /> appropriate lor thls 4;of lloor 10% 12°6 21% z1% Z��o 25% 3�`/°
<br /> i `�' dwelling design. U-value ? 070 0.65 0.75 0.65 0.60 0.50 0.45 �>
<br /> ",: . ,� .. y� � ,� ��
<br /> No n Door U•vatue 2 0.40 0.40 0.40 0.40 0.40 0.40 0 40
<br /> .�.., � Optior�'may be a (R•value) (R•2.5J (R-2.5) (R-2.5) (R-2.5) (R-2.5) (R•2.5) (R 2 5) „
<br /> �,� beUerchoice. �
<br /> Notes: Cellings:
<br /> wrfh attiCs R•30 R-30 R•30 R-30 R-30 R•38 R-30
<br /> ..._ � vaulfed R�0 R-30 R-30 R-30 R-30 R-30 R-30
<br /> ;: Walls: F"
<br /> .r� L:
<br /> Above grada R-15 R-15 H-19 R-19 R-19 R-19 R-19 �
<br /> � belaw grade �
<br /> interior R-15 R-15 R-19 R-19 R-19 R-19 R-19 �;
<br /> '.� or exlerior R-t0 R-10 R-10 R-10 R-�0 R-10 R-10 u-
<br /> _9 — 1
<br /> _ 4i:
<br /> Fioor R-19 R-19 R-19 R•19 R-19 R-25 R•25 �,
<br /> isf
<br /> Slab on grade R•10 R-10 R-10 R•10 R•10 R-10 R•10
<br /> �PP—�J�}�: _ � ___._ ___�..,. "�
<br /> �..<_._ .,....__ __ ._�_ . ._.__._._._.__�..
<br /> Da1--���x'-/3� Footnotes:
<br /> 1) Tho"x"eymfwl menna"more Ihan or cquol to ;"s"moane"lose then or equnl lo �<�
<br /> 2) Glaxing 6 door U veluo�may bo wolghtod if Ihoy dodt oxcoad tho Optlon U•valuo. �.'
<br /> a,
<br /> WEESMOfiA�'SEPTEME3Efl 1891 Page 1 ot 6 �
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