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t. . <br /> rebia sot,3s <br /> hlakeu Afr td S1�n Teb1e bcr Now and Existi Dwelli s <br /> One or mu�ipke One a mui�ple feo- One hfuiUple Pessive mekeup e+r <br /> power vpnl or dueCl es�oled aq�plianoes aUttospherically atmosphencally ope�iny daq <br /> venl appianoes a and power venl a venied ges a ad venled gae or oif di�nele�`a <br /> na combustan direct veM eppianoe or one appli�roes or sold <br /> a �enc�es" a anoess eo4d fuel 'a� iuel 'anoes° <br /> 7 of " or s dm cfm dm dm �� <br /> Passive 0 ' t-36 1-22 1-15 1-9 3 <br /> Passive 37�66 23�1 i6-28 tatT 4 <br /> Passive 67-109 42�6 29-46 18-28 5 <br /> Pa�sive 110-163 67-100 47�9 29-42 6 <br /> Passive 164-232 101-143 70,99 43-65 7 <br /> Pa9s'ne 233-317 144-196 100-135 62�3 g <br /> Pessive 4pening with <br /> Motoraed Dam 31&4t9 196-258 136-179 84-110 � <br /> Passfve Ope�dng with <br /> A4otor¢ed Dam 42(}�539 259-332 18Q230 111-142 10 <br /> Pasaire Opening wiU� <br /> Mdor¢ed Dam r 540�79 333-t19 231-290 143-179 11 <br /> Poweoed Ai� N79 >,18 >290 >179 not a iwMe <br /> " llse tha oawmn if lhere are ather Ihan fat►�assisted a atm�y yenled gay a al appliar►ces or dthere are cro cornbustion <br /> appia�ces. <br /> � Use I�is col�mn d there is rne far►�assaled epp�ence per veritinp syslem.O�er Ihan atmospherimllr vented app6arraes may also be <br /> induded. <br /> � Use thi�ootumn�Ihere Is one almosphencallr v+enled{ather Ihan(an-assisled)pas or df a;�anoe yer venting ayslem a me solid tuet <br /> apoiianc�. <br /> ° Use lhi6 oolumn N there ae mulhiple atmasphericaly vented ges a al epyfences usirg e oommon veM a d{here ere alrno�pheric�ly <br /> vaMed gas or dl ep�w►�es end sdid fuef appiiance(s) <br /> E M equivalant length of 100 teel at mund srtaolh metal ducl is aSsumed.Suhlred 40 feel for Ihe e�ctenor hood er►d Ien teet fa eadr 90- <br /> degree elhow b determine the ramaining 6ength o(aUaipM ducl allow�ahie. <br /> F li flexible dud is used,irKxease IFie ducl d'ameter by one inch.FIex�1e ducl ehaA be streldied with minimal sags <br /> y BaromeUic dempers are prohibited in passive mafceup�r openings when anr afrtaspherically vee�ted appliance is nsW9e�i <br /> " Powpred makeup a�shall be e�ectr;r.alfy inlerloticed wdh the largesl exhe�l syslern. <br /> 14 <br />