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"'�rmlt No.
<br /> a,3� y �ys�yi �5
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<br /> ���s @•- Use only for additlons, under 750 it2, that don't comply -, a � 3 ':t't
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<br /> ENective July 1, 1991
<br /> - �•..i�'�a .Ka.����:ta"a°ta -.����pr
<br /> ��,nc.�,� �x���n w,�%,,� :..�. .. �:� �� ��:. ,. . . �;��. � >,e r '�"a., . ., �..
<br /> ' PURPOSE: Thie worksheet demonsirates compllance 1or a m
<br /> '� proposed additlon where heat loss Improvements (n the existing E x I s t I � g d W 8 I I I � g e�d
<br /> � home recelve credit toward compliance. Perlorm a Chapter 5 �mprovement U-values:
<br /> �i calculatbn only on the additlon belore using u�is lorm.
<br /> � �, M��� �, r;; Reler fo the 1991 WSEC, Chapter 10,
<br /> , ><.:. ...
<br /> ' for ell U-values not llated below.
<br /> MAIN WORKSHEET
<br /> Exlafing (unfeafed) plazlnp default
<br /> PROPOSED CASE UA VALUE (pg. 2) �a,.� VBIUes:
<br /> DASE CASE UA VALUE (pg. 2) ;� •�.� Single pane U 120
<br /> Addltion heat loss deilcit (bcx 1 minus box 2) 6 1"3 Double pane U .90 F
<br /> Double pane w/vinyl
<br /> Existing dwelling Improvement credR. See�&� 43,y Q or wood sash U .75
<br /> ADDITION COMPLIES IF BOX 4 IS GREATER THAN BOX 3 Exlstlnp bul/ding envelope values:
<br /> �< '?:• Cellings w/no Insulation U .30
<br /> � Floors wlno i�sulatlon U .13
<br /> � Walls w/no Insulatlon U .37
<br /> , Emting Dwelling lmprovement credlt Giase rnock u .so
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<br /> s calculat/ons (Llst separate improvements) ::�< .
<br /> � ChanOe (1IIcaii�n) Area (Ft2) U=Jalue UA INSPECTED
<br /> �: Existing glazin9( ) x U_ (a)
<br /> Replacement glazing ( ) x U� (b) F �
<br /> . Exlstlnp home Improvement credlt 3UBT�?ACT(bJ frot�' (aJ ; '°' ��) , nF � �>�x` °� �'�F�: �
<br /> ; Existinp plazing ( ) x U_ (d)
<br /> � x U (e) � ,
<br /> ;� Replacement plazina( ) S 5 �'.�,:
<br /> 8. ,SUe� G� eJ tro�r" ° ; ', (�J ;,,�, �� ,�Y=. �
<br /> • Exlstlnp home Improvement credlt � ,, , w��9� �,s � *x ' '"
<br /> :3 �n� . .. „ x U�g (9) o
<br /> � Existlng Insulation ( R'��1 ) � i op � �.2
<br /> , New Insulatioa( -�� ) '' y b v X � '�'� � (��� I O•b0
<br /> � Ezlstlnp home Improvement credlt �`����5��,��;�,d� j%lionl,l8) (1) <; �;;<
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<br /> b Existing Insulatlon ( ) x U_ (ll
<br /> `} x U— (k)
<br /> :> New Insulation ( )
<br /> " Ezislinp home Improvement credit SUBTRACT(k) �rcm (j) - (��
<br /> '�"�' � w�Es-twwMnwNnvt:uorn�i
<br /> TOTAL CREDITS (Add c, i, i, & l. Insert into �on M�IN WORK'SHEETJ , y o ���P 2a
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