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Makeup Air Opening Tabie for I�ew and Existirtg Dwelling � <br /> I <br /> Table 501.3.2 ; <br /> One or moltiple power One or muftipie fan- One atmospherxally Multipte aUnospherically ' <br /> verrt,dtrect veni ap- assisied apyTiances and - veMed gas or oil ap- vented gas or oil ap- Duct di- I <br /> pliances,or no tombus- power vent or dir� pliance or one solid fuel pliances or solid fvet ameter <br /> tion appiiances vent appliances appltance appllances <br /> Cotmm�A Cofumn B Column C I <br /> Aassive opening I_36 Column D i <br /> 1—� 1-15 2-9 <br /> 3 � <br /> Passiveopenin8 37—b6 �_ql 1 <br /> 16-28 10-17 4 <br /> Aauiveopening 67-109 42-66 29-46 ; <br /> 26-28 5 <br /> Pass3veopening 110-163 67-100 47-69 <br /> 29—42 6 <br /> Passiveopenin 164-232 101-143 7a_gg � <br /> Pacslve openin 43—61 7 j <br /> 733—.317 I44-195 100—Z35 62-83 g i <br /> Pasrrveopenir�g 318-419 196-258 136-179 � <br /> w/motorized dam er �'u0 9 i <br /> Passive opening 420-539 ! <br /> 259—332 180—230 11i—142 lp ' <br /> w/motorized damper <br /> Passiveopening 540-b79 333-419 � <br /> w/motorized damper �1-290 143-179 11 i <br /> Poweredmakeupair >679 >419 >290 >179 . I <br /> NA ; <br /> Notes: � <br /> i <br /> - An equivalent length of 100 feet of round smooth metal duct is assumed.Subtracc 40 feet for ihe exterior hood and ten feet for each 90.degree elbow to � <br /> determtne the remainirig length of stra;gM ductallowabie. I <br /> e• !f flexible duc#is used;increase the duct d€ameter by one inch.Flexibte duct shafl be stretched with minimaf sags.Compressed ducc shall not be accepied. � <br /> r- Barornetric dampers are prohibited in pauive makeup air openings when any aimosyherically vented appliance is instaffed. � <br /> D• Powered makeup airshall be elearicaify interlocked with the targest exhaustrystem. � <br /> � <br /> � � I <br /> Sections F <br /> i <br /> Combustion air ; <br /> Not required per mechanipl opde(No atmospheric or powervented appBances) <br /> Passive{see IF6C Appendix E,Worksheet E-1) Size and rype i <br /> Other,desv;be: j <br /> 7 <br /> i <br /> Explanation-Jf rto otmospheric or power vented appliances are insta!led,rheck the oppropriate box,nor required. lf a power vented i <br /> oraimospherically venied oppliance instcrlled,use 1FGCAppend;x E,Worksheer F-1(see belowJ. Pleose enrersize and type. Combus- <br /> tion air vemsoppiies must communicate with Lhe opplionte or oppJiances thai require the combustion air. ; <br /> Section F colculations follow on the next 2 pages. j <br /> _ i <br /> , � <br /> i <br /> � <br /> i <br /> � <br /> � <br /> l <br /> , <br /> ; <br /> i <br /> , <br /> Page 4 of 6 <br /> ��:.�.,��,.sx��..w , -,:::..._ �-_ ,�---x-m::�-,,..-�.-�..r,.�,--,.-,_-�.�-.:.�,-.. _,�._ ,._ _ . , ., .--. - - <br />