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VENTILATION REQUIREMENTS <br /> TABLE R403.5.2 <br /> NUMBER OF BEDROOMS <br /> 1 2 3 4 5 62 <br /> Total/ Total/ Total/ Total/ Total/ Total/ <br /> Conditioned spaces(in sq.ft.) Continuous Continuous Continuous Continuous Continuous Continuous <br /> 1000-1500 60/40 75/40 90/45 105/53 120/60 135/68 <br /> 1501-2000 70/40 85/43 100/50 115/58 130/65 145/73 <br /> 2001-2500 80/40 95/48 110/55 125/63 140/70 155/78 <br /> 2501-3000 90/45 105/53 120/60 135/68 150/75 165/83 <br /> 3001-3500 100/50 5 !JQILS 145/73 160/80 175/88 <br /> 35014000 110/55 —M 63 140/7 b155/78 170/85 185/93 <br /> 4001-4500 120/60 135/68 150/75 165/83 180/90 195/98 <br /> 4501-5000 130-65 145/73 160/80 175/88 190/95 205/103 <br /> 5001-5500 1 140/70 1 155/78 170/85 185193 200/100 215/108 <br /> 5501-60002 150/75 165/83 180/90 195/98 210/105 225/113 <br /> 1.Conditioned space includes the basement and conditioned crawl spaces. <br /> 2. If conditioned space exceeds 6000 sq.ft.or there are more than 6 bedrooms,use Equation R403.5.2 <br /> R403.5.2 Total Ventilation rate. <br /> The mechanical ventilation system shall rovlde sufficlent outdoor air to equal the total ventilation rate average <br /> for each 1-hour.period in accordance with Table 8403.5.2,or Equation 403.5.2, based on the number of bedrooms and <br /> square footage of conditioned space, including the basement and conditioned crawl spaces. <br /> For the purposes of Table R403.5.2 and Section R403.5.3,the following applies: <br /> a.Equation R403.5.2 Total ventilation rate: <br /> Total ventilation rate(cfm)=(0.02 x square feet of conditioned space)+(15 x(number of bedrooms+1)) <br /> b. Equation R403.5.2.1 Continuous ventilation rate:Continuous ventilation rate(cfm)=Total ventiation rate/2 <br /> Amount Total 2 <br /> Amount,Continuous- l2 ' <br />