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. . , <br /> 33 RESTDENTIAL, EN�R�Y COI3E �322.1104 <br /> Equatic�n ll-l: <br /> Tota1 ventilatian rate(cfm} = (Q.(}2 x square feet of <br /> conciiticrned space� + <br /> (IS x{number af bedrooms+ I)� <br /> N1104,z.1 Coniinuaus��entila#ic�n, A minin�um of 50 percent of the totat venii�aticaro rate, bui <br /> not iess than 4{�cfm, shali be pr€�vided, Qn a continuous rate average for each one-h�ur periad <br /> accorda'ng tt�Tabl�1�d71�14,2 or Er�ua�ion l I-2. The portion of the mechaniaa3 venti3atian systerr� <br /> that is inter��ec3 tc�b�cr�ntins�c�us rnayF have autan�atie cyclir�g controls providin�the av�rage flaw <br /> rate for each hour rz��etir�g the r��uiremcnts�f Sectir�n Nl]04.2.1. <br /> ��uatic�� Il-2: <br /> Cuntinuous veniilatian(cfm} = total ventilation ratei2 <br /> NIIUa,2.l.i '4�entilation rafe. The coniinuo�is ��entilazion system shall be balanced in <br /> accordance with Ssctic�n N l 7 0�.�.2. <br /> Exceptian: If tl�e local venti)ati4n requiremenis acearding to IRC Section R303.3 are being m�t by <br /> the cantinuaus ventilat'ron s}�stem,if sha1l be capable of aperating at a rate not mare than 1 t}D percent <br /> greater than required b}� Section T�'J 1U4.2.I. <br /> NI104.2.� Intermittent ientiiation. T}�e difference hetween the tota# ventilation rate and the <br /> continuaus�•entilatian rate sha31 he based an�low rates as designed or as insiaJled. <br /> Tabie `�v'11(}4.2 <br /> �"caial and Cc��tirsu�us �'entilation �ates {�n cfm} <br /> �;umb�r o��3edro�ms <br /> I `' 3 � _ �, <br /> �. � <br /> Condrtianed <br /> s{�ace' (in sq. T�ta�: ']'ot��, Tc�Tat� Tota3�` 7'�tall 7'�tai,r <br /> ft.} �antinuous Continuous Coniinuous Gontinuous Continnaus Continuous <br /> 100Q-150{3 �t�:`�0 ?St�t} 9��45 �IOSlS3 ]20f60 l3Sl68 <br /> 1501-20(�0 74�!4� $5,`�3 1�4150 I15t5$ )30f6S I45�7.� <br /> 200I-250(? 8QF`40 951Q8 �3 3 4155 12S/63 I 40,'7a a SSi7g <br /> 2541-3004 90l45 l05!53 ]2�,'6� 13�l68 150J75 l6Sf$3 <br /> 300]-3540 l00/50 llS.�aB I3Q;65 I45/73 16Qf8Q 775f88 <br /> 3507-4000 ]]Q/55 125tb3 I��l7€� 155178 17(}/85 �1$S,`93 <br /> Copyright�2t7p4 k��•the Rcvis€sr of Statutes. 5tate af?viinnesats. Atl Rights Reservce3. <br />