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Instruciions <br />Permlt No. <br />Heat source: OTHER (gas, otl, propane, heat pumps), Zone 1 <br />Eftectfve July 1, 1991 <br />Overview The Chapter 5 Approach allows any combination of building envelope componeMs as long as the <br />collective heat loss doesn't exceed a maximum Ilmit estabiished by code. The calcuiatfons on the bwer paR of this <br />page may be ignored if below grade wail insufation will eRher be R19 on the irrteMor or R10 exterior, or ft the <br />basement will not be a habftable spac� � unheated, and the floor above is insulated. <br />Pape 2, Base Ceae Dwelllnp Calcul�t�n Cbmpute.areas using outer surtaces for walls, ceilinps (less skylights), <br />and floors. Use the rough tramed opening a1�� for doofs. The glazing area fs derived by muRiplying a constaM <br />value (.15) by the sum o( the condttioned floor areas�pon't'Uiclude unheated attached garages, etc). <br />Page 2, Propased Dwellin8 Cal�ulatlon Compute areas u�ng outer su,�faces tor walls, ceil(ngs, and floo�s. Use the <br />rough framed opening areas for �or� and glazing. Since there a'�e oNy ur boxes on the fortn for glazing, combine <br />the areas of units wfth the same Uti value iMb a single entry. WSEC, Cha�iter 10; tfefauJt values must be used for all <br />walls, ceilings, floors, untested doors/glazing, �d todetermine below-grade waiVslablJA, <br />_ ___ ___.. <br />__ <br />_.. _ _ . _ _. <br />BASE CASE HEATLOSS <br />B.G. wall #1 � (Ft2) � x U <br />B.G. slab #1 <br />B.G. wall #2 <br />B.G.slab #2 <br />(L. Ft) x F_ _ <br />(Ft2) x U _ _ <br />(L. Ft) x F_ _ <br />TOTAL COLUMN .-► <br />PROPOSED HEATLOSS <br />Use Chapter 10, page 81, U& F-values for this caiculation <br />and the same BASE CASE area/L. ft. measurements. <br />B.G. wall #1 <br />B.G. slab #1 <br />B.G. wall #2 <br />B.G. slab #2 <br />(F12) x U_ _ <br />(L. Ft) x F_ _ <br />(Fl2) x U._ _ <br />(L. Ft) x F_ _ <br />•" '.""�``"'°<„a, TUTALCOLUMN <br />I <br />TatSle 1 (Betow grade walUslabs) <br />r � <br />7nc��latedlnter/o�jLl � VelueS <br />i <br />� 2' de�th: walls � � U�43 <br />slab . � F.69 <br />3.5' depth: t}%alls U.041 <br />slab F.64 <br />7' depth: walls U.037 <br />slab F.57 <br />1� . •. -.�= . . <br />2' depth: walls <br />slab <br />3.5' depth: walls <br />slab <br />7' depth: walls <br />slab <br />U.070 <br />F.60 <br />U.064 <br />F.57 <br />U.056 <br />F.42 <br />('Depth' indicatee the rotal eonerete wall dapth <br />including not more than 6• of above grade <br />