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i � <br /> Makeup Air Opening Table tor New and Existing Owelling I <br /> 7able 501.3.2 • J <br /> a <br /> One or multipie power One w multfple fan- One atmosphericaliy Multipie atmosphericalty jf <br /> vent,direct vent ap• assisted appliances and • vented gas or oil ap- vented gas or oii ep� Ouct di• I <br /> pliarnes,or no combus• power vent or direct pllance or one soUd fuel pllances or solid fuel ameter , <br /> tion appilances vent appliances appliance appilances <br /> Colqm�A Column 6 Column C Column D <br /> Aass(veopening 1-36 1-22 1—iS 1-9 3 <br /> Passive opentng 37-86 23-4i 15-28 10-17 q � <br /> Paulveopening 67-109 42-66 2g_q6 1$_z$ 5 <br /> PassNeopening 310-163 67-500 47-69 29_42 6 <br /> Passlveopenin 164-232 101-143 70-99 43-6� 7 <br /> PassNeo enin 233-317 144-195 10p-13S g2_83 $ � <br /> Paniveopening 318-419 196-258 136-179 84-110 g <br /> w/motorized dam er � <br /> Passiveopaning 420-539 259-332 380-230 13i-142 30 <br /> w/motorized dam er � <br /> Passiveopening S40—b79 333--419 231-290 143-179 l� <br /> w/motorhed dam er <br /> Powered makeu air >679 >419 >290 >179 • NA <br /> Notes: <br /> A. M equ(vale�t length of 100 feet of round smooth mMal duct Is assumed.S�btract 40 feet for the exterior hood and ten feet for each 90•degree elbow to <br /> determine the remaining length of straight duct allowable. <br /> 6. If Hexible duct is used,increase the duct diameter by one lnch.Flexibfe dutt shall be stretched with mtnimal sags.Compressed duct shall not be accepted. <br /> C. Barometric dampers are prohiblted in passive makeup alr opeatngs when any atmosphertcaily vented applSance 3s Insta(fed. <br /> D. Powered makeup air shal!be eleartcally InterJocked with the largest exhaust system. <br /> . � <br /> Sections F � <br /> � <br /> Combustion air � <br /> Not requlred per mechanicat code(No atmosphericor powervented appliances) I <br /> Pauive(see iFGC Appendix E,Worksheet E•i) 5ze arxl type <br /> Other,describe; <br /> Explanatlon-/f no acmospherlc or power vented appliances are Instp!led,check ihe approprlate bo�not requfred. !f a power vented <br /> or atmospherlcally vented appqance lnstalled,use IFGCAppendix�,Worksheet E 1(see below). Please enCer sfze and type. Combus- i <br /> tlon alr ventsupplles must communicate wlth the applJpnce orppplJunces thqirequlre the cambust3on aJr. <br /> Sectlon F calculations follow on the next 2 pages. � <br /> � <br /> . i <br /> i <br /> , <br /> � <br /> ; <br /> f'age 4 of 6 <br />