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<br /> Heat source: ELECTRIC (except heat pumps), ���
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<br /> Ettective July 1, 1991
<br /> Instructlons
<br /> Overvlew The Chapter 5 Approach allows any combination of building envebpe comPcnents as long as the
<br /> colleclma h��q��ed M beiow grade wali insu ationiwill eith�er be R19 odn the InterioruortRlO exteriorbor M hert ot this
<br /> page y
<br /> basemeM will not be a habila h le spa c e a n d u n h e a t e d, a n d the tloor above is insulat .
<br /> Pad bo�seUseCthe�rouyh lramed oPening areasf or doorssThe gla ng area is derivedlby mulltiplying a cons9aM�
<br /> an
<br /> value (.15)by the sum of the condilioned fioor areas(Don't Include unheated attzched garages, etc .
<br /> Pepe 2,Proposed Dwellinp Ca�culatlon Compute areas using outer suAaces for walls,ceilings, and 1loors• Use the
<br /> rough ira of unPs wfth he same Uo�alue�i noaaisn gle entry e WSEC,Chapte b10,de(ault va ues�must berus d obiall
<br /> the areas
<br /> wails,cetlinqs lbors unte�ted doors/�''+���9, and to determine beiow-grade walUslab U
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<br /> — < BASE CABE HEATLOSS =���.> TBble 1 (Below 9rade waNslabs)
<br /> �t�y.
<br /> Ft2 X�— ' ,�z Values ��
<br /> ; B.G.wall#1 ( 1 ,, ��e���ated lntarlor wall
<br /> L Ft x F— ` �� �
<br /> B.G.slab#1 ( • 1 ' '`:
<br /> ti a:. U.��
<br /> �,'; 2' depth: walls
<br /> B.G.wall#2 (Ft2) x U_ m �;„�� F.69
<br /> ;:��< slab
<br /> � L Ft x F._ _ '�� 3.5'depth: walls U.041
<br /> "� B.G. slab#2 ( • ) ;��� slab F.� `
<br /> � • TOTALCOLUMN —► �� U.037
<br /> � 7'depth: walls F.57
<br /> � �
<br /> ` �>,.. : a _ ... ... . ;..: .,,> s slab
<br /> ��r ., ,. ���
<br /> pROPOSED HEATLOSS , � , •„t d „� riorwal► �
<br /> �� Use Chapter 10,page 81, U &F-values tor this calculation ��; .�
<br /> � and the same BASE CASE arealL.ft.measurements. ��; U.070 �
<br /> �c 2'depth: walls F,60 �
<br /> ���; slab
<br /> � U.064 ��
<br /> �� B.G.wall#1 (Ft2) x U_ �:^;; 3.5'depth: walls ;��
<br /> �s • :.>a�,� F.57 ��
<br /> � ���hK slab
<br /> L. Ft X F— ��,�: 7'depth: walls U.056 �r,
<br /> � B.G. slab#1 � � - ,
<br /> (Ft2) x U— � slab F.42 � ".
<br /> ���", g,G.wall#2. F��; `
<br /> ,x`.,' p `:�5
<br /> "' � (L. Ft) %F� _ :�• ('Deplh'indicates the total conuete wall de th r�
<br /> � g.G. slab#2 including not more than 6' ot above graCe
<br /> : .;M:
<br /> °1 TOTALCOLUMN < .•
<br /> ,; .� �� r� , .
<br /> PagC 1 0
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