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Permit # <br />Instructions:oose an option that best suits your <br />1) Carefully review the requirements of <br />typicalof the op:ions below. ly determines which option choose. Your building must match <br />dwelling design. Glazing percentage typ' y <br />the selected option requirements without exceptions or substitutions. <br />rcles next to the <br />ements of your <br />O ti the shaded areas be the pan°s that arethesel s next tot he choices)checks in . Disregard components orrequipmen that <br />Option (the option numbers are in p rocessed more efficiently i/ you provide all o/ the requested <br />don't apply to your project. Your permit will be p <br />information. Department staff can help you with general questions about this form. <br />Can't comply? if none of the Chapter 6 options are acceptable, consider the Chapter 5, Component <br />Performance, approach. The main advantage is flexibility to juggle individual R and U-values as long as a n <br />overall maximum value isn't exceeded. Note that the overa'1 thermal requiremen:s of Chapter!; are no lesc <br />stringent than Chapter 6. calculations may be performed with a Chapter 5, Component Performance <br />Worksheet, or by using an acceptable computer program such as WATTSUN 5.1. <br />Iter choice. <br />WEESMORALISEPTEMBER 1991 <br />OPT I�00 <br />T III I OPT IV I OPT (szO s)I (�; <br />.78 '' <br />a.76 <br />a.8a <br />a.78 <br />a.74 ` <br />Z.78 <br />10% <br />12% <br />21°{°,. <br />21°/, <br />21% <br />25°io <br />7U-value <br />.70 <br />0.65 <br />0.75 <br />0.65 <br />0.60 ' <br />0.50 <br />2 5) <br />(R 2 5) <br />(R-25) <br />(R 2 5) <br />(R-2 5) <br />2 5) <br />(R <br />Ceilings: <br />R-30 <br />R-30 <br />R-30 <br />R-30 <br />R 30 <br />R <br />with attics <br />vaulted <br />R-30 <br />R-30 <br />R-30 <br />R-30 <br />R-30 <br />R-30 <br />Wails: <br />above grade <br />R-15 <br />R-15 <br />R-19 <br />R-19 <br />R-19 , <br />R-19 <br />below grade <br />; <br />R-15 <br />R-15 <br />R-19 <br />R-19 <br />R-1911 <br />R-19 <br />interior <br />or exterior <br />R-10 <br />R•10 <br />R-10 <br />R-10 <br />R 10 <br />R-10 <br />Floor <br />R-19 <br />R-19 <br />R-19 <br />R-19 <br />R-19 <br />R-25 <br />Slab on grade <br />R-10 <br />R-10 <br />R-10 <br />R•10 <br />R-10 <br />R-10 <br />R20 <br />Footnotes: <br />i) Tho"n" symbol means "morn than or equal to"; "s"means "less then or equal . <br />2) Glazing 8, door U•values may be wolghted If they don't exceed the Option U•vofaluo. <br />