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I~orrn $~ <br /> <br />PRESCRIPTIVE PATH FOR ZONE Ia <br /> <br />Building <br />Arcs <br /> <br /> See Flgure,~_¢,l <br /> <br />Above <br />Grormd <br />Wails <br /> <br />(llne 3)., <br />eMax. SC fimit <br />applies tO <br />cooled.buildings <br /> <br />o To calculate tho <br /> <br /> IIIIllll ILL L <br /> <br />Roof, Floor, <br />and Below- <br />Grade Walls <br /> <br />" Skyhght shall be ,' <br />double glazed <br />wflh a min. <br />~/4.inch air space. <br /> <br />roof ~nd floor <br />and 30. <br /> <br />1. Above-Grade Wail Area (gross ft~) //, '?--'~ ,¢- 4. Root Area (gross fl~) <br /> <br />2. Window Area irt2) ~'~3 5, Skylight Area (fi'*.) <br /> <br />3. Percent Window to Wall Area· <br /> Divide line 2 by Fine 1 <br /> <br />6. Percent Skylight Io Roof Area· Divide <br /> line 5 by line 4. Must be less than 5% <br /> <br /> A " B C D E F G <br /> Max. :"~9.~_'~ ~. 17% 18% 21% 27% 37% 46% <br /> Percent0 - . Jr ' <br /> <br /> Windows Max. Single )ouble Single 0,50 Double <br /> U-value Glazed ~iazed Glazed G~azed 0.60 0.50 <br /> Max, No INo No <br /> SC¢ Limit ~ Eimit 0,60 0.50 Limit 0,60 0.40 <br /> <br />Above-G,ada ,ex, 0,t0 0.20 o. t0 t0,'0 0.t0 <br />WellsU-value ,~r.' <br />7. <br />Does <br /> design target ~paokage letter (A-G)if all componenls of th? values of th <br /> proposed_b?ding meet th? criieriaT~O~therwise ese Form 3b. <br /> <br />Jill I IIIIII ILIIIII I IIIIIIIIIIII <br /> <br />Proposed <br />Values'~ <br /> <br /> , / t:':~ <br /> <br />Proposed <br />U~ Or R <br /> <br /> Component Standard <br /> <br /> ; '-. Roof Max. U-val,ue Up to 3 percent Skyllg.~t" 0.059 <br /> Without Sky!ight 0,077 <br /> <br /> Min, 9-va, lue of Unheated Slab 4,5 <br /> Slab-on-grade Floor <br /> the Insul~,tion Heated Slab 5.8 <br /> <br /> Floor Over <br /> Unheated Space Max. U-value 0,077 <br /> <br /> Below- Min. R-value of the insulation 5 <br /> Grade Walls <br /> <br /> 8. Does design meet target? Enter the "Y'* if all components of the values of the proposed <br /> building meet the criteria, Otherwise try: Form 3b. <br /> <br />r~ '/'he perimeter insulation far the slab-on,grade floor shall extend downward from <br /> <br />Envelope <br /> <br />Enter the <br /> <br />and spocificetions <br /> <br />10. <br /> <br />th, e top 6f the slab for a minimum distance of 24 Jnche'~. !Se~ S~i~On' $~ '~Sf-'~ <br />The insulation for the below-ground wall shall extend the full height of the welt to <br />the top of the lowest floor or 10 feet below ~rade whatever is less, <br /> <br />11. Manufactured doors and windows are ce~lified according to ASTM E 283 for <br /> 0,37 cfm per foot of wir~JoW' sash crack and 11 clm per foot of door crack. <br /> <br />12. <br /> <br />On the warm side (winter) of he nsu a on or tbewa Is root end floor install a <br />vepo; barrier with a perm rating of one or less Is;e Sec ~n 530~ii).~r-' ',: <br /> <br />Forms 3-1 <br /> <br /> <br />