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�• . <br /> Permlt No. <br /> =�c �. �•, �.«ai .'�>. .. �, ,��, ` r- `� pc��. <br /> � �Y C O :, l¢ � •�`) ���M ' .� . . . <br /> � 'x ,��,. ., t'.. 't m. . . C .� � � � A �• , v S�; £� .^�,".� A '�,���•�' • <br /> �" Heat source: OTHER (gas, oll, propane, heat pumps), Zone 1 <br /> .�� <br /> Instroctlons Eflective July 1, �ss� <br /> Overvlew The Chapter 5 Approach allows any combinatfon of building envelope components as long as the <br /> collective heal loss doesn't exceed a maximum Ilmit establlshed by code. The calculallons on the lower part ol lhis <br /> page may be ignored ii below grade wall InsulaUon wfll either be R19 on the interior or R10 exterior,or H the <br /> basement will not be a habitable space and unheated, and the iloor above is insuiated. <br /> Pape 2, Bese Case Dwelling Calcuiatlon Compute areas using ouler suriaces lor walls, ceilfngs (less skylights), <br /> and floors. Use lhe rough framed opening areas(or doors.The glazing area is derived by muitiplying a constant <br /> value (.15) by ihe sum ot the conditioned Iioor areas(Don't include unheated attached garages, etc). <br /> Pape 2, Proposnd Dwelling Catculatlon Compute areas using outer suAaces for walls,ceilfngs, and 1loors. Use ihe <br /> rough framed opening areas(or doors and glazfng. Sincc ihere are only four boxes on the (onn lor glazing,combine <br /> the areas ot uniis with the same Uo value into a single entry. WSEC, Chapter 10, default values must be used lor all <br /> walls, ce{iir:gs, Iloors, unteste�doorslglazing, and lo determine below-grade walVslab UA. <br /> The Proposed Dwelling complys If the the Proposed UA doesn't exceed the Base Case UA. � <br /> Transier wall,ceillnp,iloor, glazing, and door velu9s(R and U)to the Check Itst. <br /> Mefhod.4 {be/dw-grade wall/slab heat-/oss tradeoffs) <br /> t. For each wahlhat diNers ih deplh, perlorm a,seperate oalculatiort using Steps 2 &3.,Sum the totals. <br /> 2. Delerr�ine Wall ar�a it+�m ihe slat�sYrta�e to Ihe top oi the mu��III, Excl��e d ar and glazing areas and Insert <br /> them nto tne des gne ed boxes e ow or both 8ase case an fopose ieat�oss. <br /> 3. pind theapproprlale waII depth&�in 7able 1 and insertlh�corresponding wall values into Ihe Base casebox(es). <br /> Mulliply tite cOrrespontling wall U-value by the area denved ih Step#1. <br /> 4. A�easure fhe�eri�e�gS'a��tance in Iin�,ar teel for each ¢I�b 4nc�gr a w Il wilh a dillerent Table 1 depth. Insert the <br /> s ab F-va ue rom a e correspon �ng to each wall hs ed i� tep�t�. <br /> BASE CASE HEATLOSS <br /> B.G. wall #t1 � (F12) x U_ _ <br /> Table 1 (Delow grade wall/slabs) <br /> Ei.G, slab#1 (L. Ft) x F_ _ lvsu/dtedJnterior wall Vafues <br /> B.G. wall N2 (F12) x U_ = 2' deplh: �valls U.043 <br /> [3.G. slab k2 (L. FI) x F_ = sfab F.69 <br /> 3.5'deplh: walls U.041 <br /> TOTAL COLUMN ...� slab F.64 <br /> 7'depth: walls U.037 <br /> FROPOSED NEATLOSS s�ab F.57 <br /> Use Chapter 10,page 81, U & F-values tor this calculalion /psulated exlerlorwap <br /> and the same BASE CASE arealL.it. measurements. <br /> 2'depth: walls U.070 <br /> f3.G. wall #1 (Ft2) x U_ = slab F.60 <br /> D.G. slab N1 (L. Ft) x F_ = 3.5'deplh: walls U.064 <br /> slab F.57 <br /> [3.G. wall N2 (FI2) x U_ = 7'deplh: �valls U.056 <br /> sia.� r-.nz <br /> �.G. slab N2 (L. Ft) x r-_ _ <br /> ('Daplh'Indicales iho lotal concreio wall dop�h <br /> ro�tyuu mnnuc:iuutavi TOTAL COLUMN including no! mmo Uian G' ol abovo grado <br /> Pape 1 <br />