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�/ <br /> / <br /> 7 � <br /> Rf:V�$OR l32'.�IO�I <br /> Equation 11-3: <br /> Conti»uotis ventilation (cfm) = total v�ntilation rate/? <br /> l�llQ4.2.1.1 Ventilation r�►te. "The continuous ventilation s��stem shall be <br /> baianced in accordance «�idi Section i�(110�4.4.2. <br /> Esception: If the local ventilation cequi�•ements accor�ing to IRC Sc:ction R303.3 are <br /> being met by the continuous ventilatio�� system, it shall be capable of ope►•ating at a <br /> rate not more than 100 percent greater than required by Section N 1104.2.1. <br /> N110�.2.2 Intermittent ventilation. "I'he difterence beh�-een the total ventilation <br /> rate and d�e continuous ventilation rate shall be based on f1��v rates as designed or <br /> as installed. <br /> Table N 1104.2 <br /> Total and Continuous Ventilation Rates (in cfm) <br /> Number of Bedrooms <br /> 1 2 3 �,i 5 (= <br /> Conditioned <br /> space' (in sq. Total/ TotaIi Total/ Total/ Total/ Total/ <br /> ft.) Continuous Continu�us Continuous Contin��ous GOl1C1IlU0US Continuous <br /> 1000-1504 60/40 75/40 90/�S 105/�3 120/60 135/68 <br /> 1�01-2000 70/4a 85/43 100/50 115/58 l 30/65 I�15;73 <br /> 2001-2500 80l40 95/48 110/55 125/63 140/70 155;78 <br /> 2501-3000 90/45 105/53 120/60 135/68 150i75 165183 <br /> 300 i-3500 I OOJSO I 15/58 130I65 1�t5/73 1 GO/80 175J88 <br /> 3�01-4000 110/55 135/63 140/7Q 155/78 170/8� 185/93 <br /> 4001-�SOd l 20/60 135/G8 1 SO/75 � T65/83 3 80i90 19�/98 <br /> ��01-5000 130l65 145/73 160/80 175/88 190/95 20�/103 <br /> �001-5�00 140/70 I55/7$ i70/$5 185;9i 200/100 215/108 <br /> �501-600Q'- 1SO/75 165/83 180/90 195/98 210/105 22i/113 <br /> � Condiiioned space includes the baseme��t. <br /> � <br /> `If conditioned space exceeds 6000 sq. ft. �r there are more than 6 bedrooms, use Equation <br /> 11-1 fi•om Sectioi� N110a.2 to calculate tc�tal ventilation rate. <br /> N1104.3 Yentilation system requirements. The mechanical t�ei�tilatia� s��sten� <br /> shall be one of three types: exhau�t according to Section N1104.3.1: balanced, and <br /> Co��)right �,2409 b� the IizFisu�uf Sl;vules.Si;ttr ot 4linnesola. All Riehts Rcscrred. <br />