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Table 501.3.Z <br /> Makeu Air rd $1� Teble ior liaw and Exi D�ll e <br /> 0�or mu�tple One a muitlple fan- 0� hfultlple P�siree mskeup air <br /> po�rer renl or dre�t �sled�plianoes atm�phe►icaOY almosPhericapy operrng dud <br /> vent appl'�a and pwver vent a venled ga�or o� v�►led gas or oil diam�er�F.a <br /> no� dlrect ven! eppi�Ce a one appf�or soYd <br /> a llatu�es� e a e�d fuel fuel a ° <br /> T a( ' or dm ctm c�n dm <br /> Passi+� 1�6 1� 1-15 1-9 3 <br /> Passhre 37�66 23�t1 1fi-28 1a17 4 <br /> Pessh+e 67-109 42�6i 29-48 1&28 5 <br /> Passi+re 110-�63 67-10D 47�9 29�2 6 <br /> Passive 164-232 i01-143 ?0�99 43�i 7 <br /> Pessive T.33-317 144-i95 100-135 62�3 8 <br /> Pessive Opernng wi� <br /> Motaraed Q�n 31&419 196-258 138�179 8A-11D 9 <br /> Pa�hre Opet�fng with <br /> Mototized Dam 42Q-539 2�9-332 160-230 111-142 10 <br /> Passnre Opening wUh <br /> A+lelaraed Dam 540�678 333�418 231 29Q '14�179 11 <br /> Powered Air" D679 >419 >290 >179 nol <br /> " Use lhis aolumn�lhere are otl�tl►an fan�assisted a almaspF�erkraly�nted gas or oil appliam:es or ff tl►are ere rro canb►�tlon <br /> - appiances. <br /> B Use tl��cdumn H there is are fan-assi�led ePAienoe Pe►'�nt�g system.ON�er Ihan almaspherically v�ented applanoes may also be <br /> indudea. <br /> ° Use this c�IJumn if Ihere is or�e aUnospherical�+venled(athet than fan-assi�sled)gas cx dl applisnce per vanGng syslem or one salid fue! <br /> app�am;e. <br /> � Use lhis column�tl►ere ae multiple aU�wsph�Cal�+venled gaa or al appie�es usir�g a oommon venl w d ihere are atmosphericaqy <br /> venled 9as or oil aPP���es end so�d fuel apqienoe�s). <br /> E An equivalent length of 100 Ice!of round smoolh melaf duol is aasumed.SuhUact 40 feel for the e�cbarior hood and ten ieel far each 80- <br /> degree elbow to detemrine fhe remafiing bengl�of sUagM d�l allorrable. <br /> F If flex�le dud fs used,increase the d��iameter by ane lnch.Fle�c�ie duct shau be slrelr.�wilh min6n�sags. <br /> � BaromeUic dampers are prahibiEed U passive makaup eir openirga when�y atmaspherically vet�tted app�n�i�6�slelled <br /> " Powered makeup eir shaQ be electrically intedodced with ffie largest exheust sy�em. <br /> 14 <br />