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corn:,ewrnc Mrcnitecture to Fat nanny Date:1/25/00 Time:2:20:26 PM Fade 2 or 4 <br /> k <br /> EXTERIOR ENVELOPE ENERGY CODE COMPUTATION WORKSHEET <br /> This worksheet is based on the Section 502 form and combines envelope calculations for • <br /> the new addition with calculations for the existing house,using areas and assembly"R" <br /> values estimated-by the architect and builder. In this way,the house and its addition are <br /> considered as a whole-for compliance with the Minnesota Energy Code. <br /> Project Title Steinhafel Addition <br /> Site Address 1150 Old Crystal Bay Road:Orono. MN 55391 <br /> L EXPOSED-WALL CALCULATIONS- <br /> AREA 'U" AREA x"U" <br /> A. Opaque Walls: <br /> Brick over wood frame 382 0.0043 1.64 <br /> (ADDITION) <br /> Brick over wood frame 724 0.0043 3.11 <br /> (EXISTING HOUSE) <br /> Foundation Wall Above 98 0.069• 6.81 <br /> Grade(ADDITION) <br /> Wood Frame Wall;Insulated 287 0.046 13.20 <br /> Area(ADDITION) <br /> Wood Frame Wall,Framing 54 0.10 5.40 <br /> Area(ADDITION)based on <br /> 10% <br /> Wood Frame Wall, 1675 0.048 78.40 <br /> Composite of Insulated and <br /> Framing(EXISTING- . <br /> HOUSE) <br /> Rim Joist(ADDITION) 153 0.041 6.27 <br /> B. Glazing: <br /> Windows(ADDITION) 384 _0.36 138.24. <br /> Windows and Doors 579 0.37 211.51 <br /> (EXISTING HOUSE). <br /> Doors(ADDITION) 138 0.33- 45.54 <br /> D. Wall Area,sq. ft.(ADDITION) 1486 <br /> Wall Area,sq. ft.(EXISTING 2988. <br /> HOUSE) <br /> TOTAL WALL AREA,sq.ft. 4474 <br /> E. TOTAL OF AREA x'"U" 510.12 <br />