Laserfiche WebLink
��� <br />H <br />�H� <br />H�H <br />�tlH� <br />Hy <br />xo <br />OHd <br />��g <br />�r n <br />Cyx <br />Hy <br />gy <br />��� <br />HOtn <br />� � <br />� '�Sr70� _._ <br />Instructions: <br />1) Carelully review the requirements o! each ol the optlons below. Choose an option that besf suits your <br />dwelling design. Glazing percentage typ1ca11Y determines whlch optlon fo choose. Your 6uilding must match <br />the selected Optlon requirements without exceptions or substitutions. <br />2) In the shaded areas on the pages that lollow, make checks !n the circles next to the requlrements of your <br />Opfion (the Optlon numbers are !n paretheses next to fhe choices). Disregard components or equlpment that <br />�(ormaf o'n.tDepartment staH can help you''w'dh general questions aboutnthis'tormPr�V'de all ol the requested <br />Can't comply? If none of fhe Chapter 6 Options a�e acceptable, conslder the Chapter 5, Component <br />PeAormance, Approach. The main advantage !s llexi6iliry to juggle individual R and U-values as fong as a n <br />overall ma�imum vaiuc isn't exceeded. Note that the overall thermal requirement� of Chapter 5 are nc less <br />stringent than Chapter 6. Calculations may 6e perlormed with a Chapter 5, Component Perlarmance <br />Worksheef, or 6y using an accepta6le computer program such as WATTSUN 5.1. <br />WEESMOFiPA'SEPTEMBER �991 <br />Glazing max <br />/o oi lloor <br />U-value Z <br />Door U-value 2 <br />(or R-value) <br />Cellings: <br />wfth attics <br />vauMed <br />Walis: <br />above grede <br />below grade <br />interior <br />ar exterior <br />`: FIOOf <br />F Slab on grade <br />OPT I OPT II OPT III OPT IV <br />� � 0 <br />����� x�: <br />10%'. 12% 12°!0 `: 15% <br />� ..,. <br />0:46 ,!: 0.43 0.40 'r 0.40 <br />0:40��' 0.20 040'; 020 <br />(R-2.5j;, (R-5) �R-2.5)4 �R-5) <br />R'.3g . ; R•38 R38 '` R-38 <br />A�30 ` R-30 R•30 ".`: R-30 <br />R 27. = R-19 ; R-21 ' R-19 <br />FI•21 ' R-19 ft 21; ; R-19 <br />fi-10 : R-10 R•10,',; R-10 <br />F1-36 %;: R�0 R 30;,! R-30 <br />��� � ir <br />�[� {bE s R-10 ,�i 10:r::, R-10 <br />OPT V OPT VI � sseaw u <br />Q � � <br />21% <br />0.36 <br />020 <br />(R-5) <br />R-38 <br />R-30 <br />R-27 <br />R-21 <br />R-10 <br />R-30 <br />R-10 <br />Footnote: <br />1) RS foem aheeUng requlred In eddlllon to R19 cevllY �neulatlon. <br />2j GIa�InB end door U-valuas may be welghlad to meet lhe Optlon U-velue requlremenL <br />��� <br />30% c'�`r <br />0.32 � <br />0.20 � <br />(R-5) � <br />�. <br />� <br />� <br />R-38 � <br />R-30 .c <br />R-19 � � <br />R-21 <br />R-10 " <br />R-30 � <br />R-10 � <br />elots <br />