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_ , <br /> � . ' ?ermlt No. <br /> • s , � '' - • ' . ' i s t • <br /> Use oniy for addittons, �under 750 it2, thet don't comply <br /> Eftective July 1, 1991 I <br /> PURPOSE: This worksheet demonstrates compl!ance for a � i <br /> �- proposed addition where heat loss Improvements in the existing E X I s t 111 g d W 8 I I I It g e f1 d <br /> �,; <br /> ;< home receive credit toward compliance. Perlorm a Chapter 5 �m roVettle�t U-valUes: <br /> `; calculatbn only on the additkn before using this form. P I <br /> �:. <br /> Re/er to fhe 19�1 WSEC, Chapter 10, <br /> � � ' tor a11 U-va/ues not llsfed below. <br /> � MAIN WORKSHEET <br /> Ex/atlnp (untested) D�az/ny de/au/t <br /> PROPOSED CASE UA VALUE (pg. 2) �(p3�ZJ values: <br /> BASE CASE UA VALUE (pg. 2) 15'2_6S Single pane U 1•Z� <br /> � Additi�n heat loss deticit (box 1 minus box.2J S 5• Double pane U .9'i - <br /> ' Doubie pane w/vinyl <br /> Existing dwelling improvement credtt.See�B� _ 22�g(s or wood sash U .75 <br /> � ADDITION COiNPUES IF BOX 4 IS GREATER THAN BOX 3 �i�ing bulldlny enve/ope values: <br /> ��� � ����x, 3 �� ' � . ' <br /> t Ceilings w/no Insulatioa U .30 <br /> .: <br /> ��; " z�' �vrR �n +� - �if�t'u�jF�� �lo��� 'r . , . <br /> � '� �lia,k����K_ ��' �nkyB . �Y alsz4iyl,� ��i�u`h' x : . <br /> � �� y.�t,�, , ,Sy,�E>�, : ,h,ri � e�? ,. .�x ,^�>�a. .. � < Floorsw/nofnsulation U.13 <br /> �� s <br /> ���•� Walls w/no insulatton U .31 <br /> � Exlsting Dwelling Improvement credit � � Glass biock u .so <br /> � a�culat/ons List se arate im rovements � �` <br /> <t. � l P P ) �,: .:.��� w�.«,<:�5�� , <br /> a ' �Change (1�atlQn) • Area (Ft2) U-Value UA INSPECTED <br /> `' Existing glazing( ) x�— �a� <br /> X <br /> � Replacement giazing ( ) x U_ (b) <br /> ��' 81' b "`� a1,���. ... <br /> �: <br /> Exlsting home Improvement credlt 9 . �� ������,�,,, ,�, (c) <br /> � Existing glazing (_ ) X�— �d� <br /> '� Replacement glazing ( ) x U_— (e) <br /> �' Existing home Improvement credlt �� `����CT(ej Iror����j ° Y; ��� <br /> �� Existing insulation ( t L° r�. R•Iq � 0 x U_,_252 �9) 56.bz <br /> ';' New insulation ( �' �g ) a �i x��� " �h� �3.75 <br /> W ,�.�.A, rK_ � Q�:.;, ..� <br /> ; Exlsting home Improvemeni credit �;��1�,�i�Ay!���,��� }� . ��� ��V <br /> '" Existing insulation ( ) x U_ U) <br /> i�'; New insuiation ( ) X�— �k� ' <br /> ; Exlstinghomelmprovementcredlt ���SL�TRA;��E(k)t411l�J�`��`. � (/) <br /> � .Y,,.: <br /> �`' TOTAL CRED/TS (Add c, l, !, &L Usert lnto�on MAW WORKSNEE� <br />