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� ' <br /> Directions-In order to determine the mokeup air,Toble 501.3.1 must be filled o+rt(see belowJ. For most new installations,column <br /> A wlll be oppropriote,however,ijoimospherico0y ven[ed opplionces or solid jue!applionces ore insta!led,use ihe appropNate <br /> co/umn.For exist►ny dwelJlnys,see/MC 501.3.3. Please note,lf the mokeup air quantiry is neqative,na additionot makeup air wit! <br /> be requi�ed/or ventilation,if the value is positive refer to Tab/e 501.3.2 ond size the opening. Transfer the tfm,size of opening and <br /> type(�ound,rettangufar,flex or rigid)to the lost line of sectian D. The make-up air supply must be instaNed per IMC 501.3.2.3. <br /> Table 501.3.1 � <br /> ' PROCEDURE TO DETERMINE MAKEUP AIR QUANITY FOR EXHAUST EQUIPMETlT IN DWEILiNGS <br /> ' Add'rcionai combustion aio will be re uired tnr mmh�on appiiances,see KAIR methoe`or wicu;ations� <br /> ; One or multiple power pne or muhiple fan- One atmospherinlly vent Mul�pie atmosphoricafly <br /> � vent or direct vent � auiated aDvtiances an6 gas or oil appliance or � vented Qas or oif <br /> i appiwnces or�o power vent or direct veM ene satitl fuel appiiance � appliances or solid fud <br /> 1 comb�.stion appliar�es appliances � appiianees <br /> Column C ( Column D <br /> � C_�lumn A � Cp�umn 8 ; <br /> 1. � —"-j-- -- <br /> ' a)pr¢ssure fsctor � 0.15 � 0,09 0.06 j 0.03 <br /> cf�r,l ; i <br /> b1 tonditioned floor area(sf}Sincluding Z �p t <br /> ` unfinished basemerMs J <br /> Estimated House Infikniion+cfmj:;la <br /> '! K ie1 ; $►D <br /> � 2.Exhauat Gpauty ; . <br /> � a}coMinuous pchauSbOnly venAlatiOn ; _ �� i <br /> sysoem{efm►;{not 0pplipbie to � � <br /> balanced ventilation systems suth as � i <br /> �HRV) <br /> ! b}tlothes dryer jcfm) �135 135 ' 13S 135 <br /> c)8096 ot Iargtst ezhwst nt�ng{dm); <br /> .�4:: Z� ...,.. 4� r <br /> Kkchen nood tw�alry , <br /> j (noc aPPlipble'rf rccirculaUne system . •_ - E � <br /> • or H powered makeup air i�elecVinNy �1��� � � <br /> intltrlxked and m to exhaust � <br /> d)SO%of nexc Isrgest ezhaust raling <br /> � (cfm); bath fan typically <br /> � (not appiiable'rf rccir�utating systtm NOt <br /> j or if powered makeup air is efectricaily APP���abfe � <br /> ', interlocked and matched to e�ch�ust) <br /> Toiai Exhaust CaPKnY(�+1� a'� <br /> 2a+2b+2c+2d a <br /> ' 3.Makeup Air Quantity(dm) i ! � <br /> a�totsl etthaust capacity(from aoove) � �7� ; <br /> b)estimated house infikrador(fmm ��� <br /> above) ' I <br /> Makeup Air QuantftY(cfm}; -� <br /> (3a-3b1 i i' �' � <br /> ! {if value�s negauve,no makaup a�r�s � � <br /> needeQ) � <br /> 4.For makeup Air Opening Sizing,refer � , <br /> � to Tabk 501.4.2 � <br /> A. use tha col�mn rf there are otner than fgn-assi,teo or atmospher:cal�y venrtd gas or ail appiiance or,f;nere a�e nc como�suon appliances.�Power vent and <br /> direct vent appiiantes may be used.i <br /> 6. Use tha coiumn i(there a one far.-assisud app�iance per ventingsys:em.(Appliaeces oiner th�n�,mospneriaiiy vented app��ances nay aiso be�nciuded.) <br /> C. Use this column ff tMere is ene atmasphericaNy vented(pther ihan 6n-assisted)gas or oil appliance per venting system or one solid fuPi app;iance <br /> D. USQ thu column if therc are multipfe atrnosphencaily vented gas er oii appiisxes using a comman vent or rf there arr atmosph�rice;ly vented gas or oii <br /> aPPiiances and solid fuel appl'�anca. <br /> N t7 ���c��� A.;t � �� n�u:�rt, �.w►-.+.�, � 3Gc� c fi .w.� <br /> �`W, , l �.j*J4..� <br /> �.�Forms�VentMakupCombAitCaIs041Sll.doos Page 3 of 6 <br />