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�Icict <br /> knr,('...intyti:h� .:,[:.�:�.i:C:.'... <br /> 6219 Cambridge St <br /> St Louis Park, MN 55416 <br /> 952-926-4488 <br /> GENERAL CONTRACTOR: ROBERT CRAIG HOMES 12/16/2010 <br /> JOB NAME SIME RESIDENCE <br /> JOB ADDRESS: 3095 NORTH SHORE DRIVE, ORONO <br /> JOB NUMBER: � <br /> IFGC / SECTION 1346.6012 / APPENDIX E, WORKSHEET E - 1 <br /> COMBUSTION AIR 1994 - PRESENT <br /> Fan Assist Non Fan Assist DIRECT VENTED <br /> 1994-Present 1994-Present 1994-Present <br /> 0.075 0.105 <br /> Non Direct Vent 75,000 '' 0 '. 0 ' ' <br /> Appliance's BTUH <br /> Combustion Air Space 2,124 0 0 <br /> Mechanical Room CU FT <br /> Standard Method 3,750 0 0 <br /> Known Air Infiltration Rate ' <br /> KAIR Method 5,625 0 0 <br /> RATIO <br /> Total Required Volume 3,750 0.57 0 <br /> Standard Method <br /> Total Required Volume 5,625 0.38 0 <br /> Kair Method <br /> Reduction Factor 0.43 0 <br /> Standard Method <br /> Reduction Factor 0.62 0 <br /> Kair Method <br /> Combustion Air Opening SQ IN <br /> Total BTUH in CAS 75,000 25.00 0 <br /> Minimum Combustion Air Opening 10.84 0 <br /> Standard Method <br /> Minimum Combustion Air Opening 15.56 0 <br /> Kair Method <br /> Standard Round Kair Round <br /> Minimum Hard Duct Size 4 4 NON <br /> Minimum Flex Size 5 5 REQUIRED <br /> Full Size Flex 7 <br />