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12�21�2011 08;53 {FAx} P.004�00� <br /> Directions-In order to derermine the mokeup nir, Toble 502,3.1 must beFlled our(see befowJ. For mosr new lnstallatlons,cotumn A <br /> will be opp�oprr'ore,however, if ctmosphericalty vented applivnces orsafid fue!oppllances are lnstalled, use the approprlate column. <br /> For exlsting dwell/nps,see/MC 501.3.3. Please note,if the makeup alr quantity Is negative, na addlt/onal makeup a1r wlll 6e re- <br /> qvired for ventlla[Ion,!f ihe value Is posJtive refer to Table 501.3.2 and slze the opening, Transfer the cfin,size of opening and type <br /> (round,rectongular,flex or rlgidj to the Ivst line af section D. The make-up air supply must be lnsrolled per!MC 501.3.2.�. <br /> Table 501.3.1 <br /> PROCEDURE TO DETERMiNE MAKEUP AIR QUAIViTY FOR EXHAUST EQUIPMENT IN DWELLiNGS <br /> (Add{tlonal combustlon alr w111 be re ufred for combustlon a Ilences,see KAIR method for CdlCuldtio�s <br /> one or muitiple power �ne or multiple fan• one atmospherlcally vent Multiple atmospherical- <br /> vant or dlrect vent ap- assistad appllences and gas or oll eppllance or iy vented gas or oii <br /> pltance5 or no combu5- power vent or direct vent one soltd fuet appllance appllancea or solld fuel <br /> tion appllances appl(ances appllancea <br /> Column G Column D <br /> Column A Column 8 <br /> 1, <br /> a}preasura iactar 0.15 0.09 0.46 0.03 <br /> cfm/af <br /> b)conditivned floor area(sf)(including <br /> unflnlshed basementa �� � <br /> Estlmated Hause Inflitratlon(cfm�:�la ,�� <br /> x Sb <br /> 2.Exhauat Capaclty ' , <br /> aJ continuous ezhaust-only venitlat�on � � <br /> system(efm);(not appllca6le to ba- <br /> lanced ventlletlan ayatama such aa <br /> HRV <br /> ba clothes dryer(cfm) 13S �35 135 135 <br /> ci 8096 of largest exhaust rating(cfm); ��+pU G�jy�' <br /> Kltchen hood typically <br /> (not appl�cahle t(recirculat(ng aystem $���� <br /> ar If powered makeup atr Is electrically �y�C!�'"� <br /> interlocked and match to exhaust) <br /> d)SO%of�next largest exhaust ratEnB <br /> (cfm); bath fan typicelly No2 <br /> (not appllcable If recirculating syatem <br /> or ff pow¢red makeup air is electr�cally Appllcable <br /> Interl�cked and matched to exhaust <br /> Total Exhaust Capaclty(cfm); <br /> 2a+2b+Zc�2d �� <br /> 3.Makeup A�r Quantity(cfml ��� <br /> a1 total exhaust capacity(from above) <br /> b)esttmated house lnflltratlon(fram �� � <br /> above � C%0`. <br /> Makeup A1r 4uentlty{cfm); <br /> �3a—3bJ ! ,/,� �J <br /> (iF value!s neBative,no makQup atr�s fj' f <br /> needed <br /> A.For mak�up Air Opening Sizing,rcicr �� <br /> to Tab1e 5a1.4.2 <br /> A. Use this column If there a�e other than fan-asslsted or atmospherlwlly vented gas or oll appltanca or If thera are no combustlon appllancas.(Powervent <br /> and direct vent appllances mav be used,) <br /> H. Use thfs t0(umn lf thete is one fan-asslsted appllance per vent{ng system.(Appllances other then atmospherically vented epplfanees may also be in- <br /> cluded,) <br /> C, Use this column If there Is one atmospherically vanted(other than fan•asalated)gaa or oll appllance par venting system or one solid fuel appllance. <br /> D. Use thls column If there are multipfe atmosphorlcally ventad gaa or oll appllancea using a common vant or!E thrre aro atmospharlcally ventad gas or oll <br /> eppllances and solld fuel applfencas. <br /> Page 3 of 8 <br />