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06!05/2014 THU 8: 36 FAX 763 473 8565 Sabre Plumbing & Heating �005/007 <br /> Makeup Air Opening Table for New and Existing Dwelling <br /> Table 501.3.2 <br /> One or mul[iple power One or rnultiple(an One aUliospherically Muftipie aUnospherically <br /> vent,direc�vent ap assisted app�iances and ventetl gas or oil ap- vented gas or oil ap Dud di <br /> pii�nces,or no coinbus power vent or direct pliance or one solid f�,iel pliances or solid fuel ameter <br /> tion appliances vent appliances appliance appliances <br /> Column A Column 8 Column C Column D <br /> --.___.----- . ----______..__.__.__�__..___ ^ —.------._ —.—. _.__..._ <br /> Passive opening 1-3G 1-22 1-15 1--9 3 <br /> Passive opening 37-66 23-a] 16-28 ^ 10-17 �� 4 <br /> Passiveopening 67-709 � 42-6G 29-46 18-28 5 <br /> -------- ----- -----_--- — ---- -- <br /> Passive opening 11U-1G3 67-100 47-69 29-42 6 <br /> Passive opening 164-232 ^ 1Q1-143 70-99 43-G1 7 <br /> ---------.._... _. ------____.._.__._.__._ __�._.____..-----_.__.___.� _____. -----, <br /> Passive opening 233-377 144-195 100-135 G2-83 8 <br /> —..._......_._.._....------- ------ - ------------------- ___ ___.... <br /> Passive oy�ening 3i8-419 i9G-Z58 ]3G-179 84-110 9 <br /> w/motorized damper <br /> Passiveopening� 420-539 2:�9-332 ]SO-230 111-142 1p <br /> �v/motorized damper <br /> Passive opening 540-679 ^ � 333-414 232-290 143-179 ll <br /> w/mororized damper <br /> I�owered makeup air >679 :419 ^ >29p >179 NA <br /> Notes: <br /> n. An equivalent fength of 100 feet of round smooth metal duct is assumed. Subtract 40 feet for the exterior hood and ten feet for each 90 degree elbow to <br /> determine the remainin,Iength o(straigh[dua al(owable. <br /> 8. If flexible duct is used,intrease the duct diameter by one inch. Flexible duct shall be stretched with minimai sags. Compressed dutt shall not be accepted. <br /> C 6arometric dampers are prohibited in passive makeup air openings when any atmospherically vented appliance is installed. <br /> D. Powered makeup air shall be electrically interlotked wifh the largest exhaust system. <br /> Sections F <br /> ----_ . ._________ ___._____._____----- <br /> Combustion air <br /> �/ Not required per mechanical code(No atmospheric or power vented appliances) <br /> Passive�see IFGC Appendix E,WOrkshect E 1� Size and type <br /> ❑ Other,describe: ��_W --� <br /> fxplanation-ff no atmospheric or power venrec�appliances are installed,ciieck the approprrate box,not required. If a power venteci <br /> or atmospherically vented app/iance installed, use 1FGCAppendrx E, Worksheet E-1 (see belowJ. Please enter size and type. Combus- <br /> tron air vent supplies must communrcate with the appliance or a�pliances thaf require the combustion air. <br /> Section F calculations follow on the next 2 pages. <br />