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^�rmit No. _�— <br /> ____-----------'�' <br /> � - , <br /> ..; 'rt Y c� .. '�¢tE7t Yf° t� a�}r'�ip i xe s� c �i i T ``��` f �_ `: <br /> ': . , .,• .. ' <br /> p,ry , \ <br /> , ,� �� .-�>. e � �, ' gt ' `,; . .. ... • Zone1 ;. , <br /> as, oii, propane, heat pumps), ,�: �.. .. ... ... <br /> ' , Heat source: OTHER (g _ _. <br /> EHective July 1, 1991 <br /> /f1StCUCf10l1S nents as long as ihe <br /> Overview The Chapter 5 Approach ailows any combination of building envelope comPo <br /> colleclive heat loss doesn't exceed a max�mum limit established by <br /> code. The calculations on the lower part oi this <br /> page may be ignored if below grade wall insulation will either be R19 on the interior or R10 exterior,or'rf ihe <br /> basement will not be a habicable space and unheated, and the iloor above is insulated. �ess skylights), <br /> page 2, Base Case Dwelling Calculation Compute areas using outer surfaces for walls,ceilings ( <br /> and floors. Use the rough iramed opening areas fcr doors.The glazing area is derived by muitiolying a^onstant <br /> value (.1 5) b y t h e s u m o t the condttioned iloor areas{Don't include un(surfaces tor wal9ls,rceiin g s,a n d f l o o r s. Use the <br /> ute areas using oute �aZj�g,combine <br /> Page 2,ProPased Dwellin9 ��culatlon Comp Since there are only tour boxes on the torm ior g <br /> rough tramed opening areas tor doors and g�azing. WgEC, Chapter 10,detault values must be used tor all <br /> the areas of units wiih the same Uo value into a single entry. <br /> walls, ceilings,lloo�s, untested doorslg�azing, and to determine below-9�ade walVslab UA. <br /> t s if the ihe ProPosed UA doesr.'t exceed the Base Case UA. <br /> The Propased Dweiling comp Y and door values(R and U)to the;Check Ilst• <br /> 3ransfer vvall,celling, ��oor,9�azing, <br /> ---- <br /> Mefhod A {below-grade walUs(ab heat-1ass fradeoffs? <br /> �,�qr each vrap that diHers in d�Pahi p���e o t1�e tptn►►h mud ill SExr�u1eae dZoor and g axin5 areas and insert <br /> ' 0 �o osetl healbss. <br /> �, peteffCl!ne'+r+all a�fla;r�m thex�s��ow io[bolh Base Casc and� p <br /> them+nta ihe designa ed bo Q 5p <br /> u�i 1 tt�e cbrrespon��ng wal! lJ-�8lue hy the area der�ved m Step#1. : <br /> 3.pi�q � � � ro riate w 0 dep� � T ble 1 and insert th�� �� .r 2nd� It�wi n,a dHferent Table depth I nsert the <br /> M. p Y w <br /> -� g� {�oorrespon ing to each wali fisted m�tep#�� <br /> 4;'N�eas1�re'he�erim t di tance in tin�arteei tnr each r,iab u , <br /> s ab P-va ue rom a _e ` <br /> s BASE CASE HEATLOSS � � Table 1 (Below grade waluslabs) <br /> - B.G.wall#1 (Ft2) x U— _ _. ���o�wall Values <br /> B.G. slab#1 (L. Ft) x F— = U.043 > '. <br /> i� (Ft2) x U_ = 2' depth: walls F.69 $�° <br /> B.G.wa..#2 slab U.041 <br /> L f't) x F— = 3.5'depth: walls F.64 '�' <br /> ' B G. slab #2 � • � slab <br /> 7' depth: walls U.037 <br /> = TOTAL COLUMN �-► F.57 <br /> slab <br /> � <br /> PROPOSED HEA7LOSS � .,r�aYterior wa�� <br /> Use Chapter 10,page 81, U & F-values for this calculation "'�""'��— U.070 xas.: <br /> "; and the same BASE CASE arealL.tt.measurements. 2�depih: walls F,60 <br /> slab <br /> Ft2 X�— 3.5'depth: walls U.064 y >' <br /> " B.G.wall#1 ' � � F.57 <br /> L Ft) x F_ = slab <br /> B.G. slab #1 � • T depth: wails U.056 <br /> B.G.wall#2 <br /> (Ft2) x U.— ' slab F.42 <br /> (L. F1) x F_- _ (•Depth'indicatos tho total concreto wall depth <br /> B.G. siab#2 includir.g not moro than 6' of abovo grado <br /> W4Ey,y�WMti oue a� TOTAL COLUMN <br /> Page i <br />