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� <br /> s�te nderaas ��.% '�iti'l.C'"i t..� j�.��� 1' � r <br /> C..s 1��n3� ; � l�'Z.� • � <br /> I ' <br /> � Coe+hactor � <br /> .. � ComWered y�lW�e ori'rti � 5�sniture <br /> $£'Ctl0�1 A <br /> ' Vent(lation Quantity <br /> ; <br /> (Determine quantity by using Tao�e N1104.2 or EGuation;1-1� <br /> , Square feet{Cond�tionea area mUud�ng ; ---- <br /> Basement flnished o��nA�ishedj I ?.`f Q� ; � ���, <br /> l--. . ' 'orai requ red ven2�:at�or i <br /> ' i + <br /> Numbe�of Nedrooms � 4� � Cont�nuous veat�iation � i �� <br /> Diredions-Determrne tne tota/ond cont;nuous veniilotion rate by eRher using Toble N1104.2 ar equa6on 11-1. <br /> The�able and equotion are be/ow. <br /> � Table N1104.2 I <br /> _._ _ <br /> ' Total and Continuous Ventilation Rafes(in cfm) `---� <br /> Number ot Bedrooms <br /> I1 12 3 4 5 6 <br /> Conditioned space(ir ratalJ Tota!/ ' Totai/ � ?ota�/ ' 'otai/ � Totai/ � <br /> sq,ft.) r continuous continuous continuous continuous continuous i cantinuous ' <br /> 1000-1500 � 60/40 75/40 90/45 ; 105/53 , 120/60 235/68 <br /> 1501-2000 � 70/40 t g5/43 � 100/50 i 115/58 ; 130/55 145/73 I <br /> r 2001-2500 �} 80/40 � 95/48 ! 110/55 i 125/63 ' 140/70 � 155/78 <br /> 2501-3000 � 90/45 1O5J53 , 120/6fl —35/68 � 150/75`�1(5/g3� <br /> i 3�001-3500 ' 100/50 115/58 130/55 ! 145/73 ; 160/80 ; 175J8$ <br /> 3501-4000 110/55 125/63 140/70 13�/78 d 170J85 ; 185/93 <br /> 4002-450D � 120/60 � 135/68 150/TS i 165/83 �+ 180/90 i 195/98 <br /> 4501-5000 130/65 ' 145/73 ' 160J80 � 175/88 ? 190/95 ; 205/103 � <br /> ( 5001-5500 � 140/7Q i 155/7$ ll0/85 ; 185J93 200J100 ; 215/10$ <br /> 5 �5 61- 000 ' 150/75 165/83 180/90 ; 195(98 ' 210/105 2251113 <br /> Equation 11-1 <br /> (0.02 x square feet of conditoned space)+j15 x(number of bedrooms+1};-To~.al ventliation rate{cfm� <br /> Total veniilation–The mechanical ver.tilation system shail provide sufficient outdoor air to epual the total ventilation rate <br /> average,fo�each one-hour period according to the above tabie o�equation. For heat recovery ventilators(HRV)and energy <br /> recovery ventilators{ERVj the average hourly ventilation capadty musi be determined ir.consideration of any redudion of <br /> exhaust or out outdoor ai�intake,or both,for defrost or other equipment cycling. <br /> Continuous ventilation-A minimum of 50 percent of the tatat ventilation rate,but not less tnan 40 cfm,snall be provided, <br /> on a continuous rate averege for each one-hour period. The portion of the mechanica�ventilation system intended to be <br /> continuous may have automatic cytling controls pr�viding the averege flow rate for eacfi ho�r is met. <br />