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Ske addrcss p� <br /> `°�`t°� Sabre Plumbing & Heating `°a��`°a Michael H <br /> Section A <br /> Ventilation Quantity <br /> (Determi�e quantity by using Table R403.5.2 or Equation il-1) <br /> Square feet(Conditfoned area induding 49�2 Total required ventilation 175 <br /> emement—finished a unflnished) <br /> 4 Continuous ventilation �Q <br /> Number of bedrooms 0 <br /> Direc[ions-Dedermtne the totol ond mnflnuous ventilation rate by eJther using Tabk R403.5.2 or equation 11-1. <br /> The tobk ar�d equotton are bebw <br /> Table R403.5.2 <br /> Totai and Continuous Ventilation Rates in cfm <br /> Number of Bedrooms <br /> 1 2 3 4 5 6 <br /> Conditioned space(in Total/ Total/ Total/ Total/ Total/ Total/ <br /> 1000-1500 60 40 75 40 90 45 105 53 120 60 135/68 <br /> 1501-2000 70 40 85 43 300 50 115 58 130 65 145 3 <br /> 2001-2500 80 40 95 48 110 55 125 63 140 0 155 8 <br /> 25013000 90 45 105 53 120 fi0 135 68 350 5 165 83 <br /> 30013500 100 50 115 58 130 65 145 3 160 80 175 88 <br /> 3501-4000 110 55 125 63 140 0 155 8 170 85 185 93 <br /> 4�1-4500 120 b0 135 68 150 5 165 83 180 90 195 98 <br /> 4501-5000 130 65 145 3 160 80 175 88 190 95 205 103 <br /> 5001-5500 140 0 155 8 170 85 185 93 200 100 215 108 <br /> 5501-6000 150 5 165 83 180/90 195/98 210 305 225 113 <br /> Equatlon 11-i <br /> (0.02 x square feet of conditioned space)+[15 x(number of bedrooms+1)J=Tota�venUlation rate(cfm) <br /> Total ventilation—The mechanical ventilation system shall provide sufficient outdoor air to equai the total ventilation rate <br /> average,for each one-hour period according to the above table or equation.For heat recovery ventilators(HRV)and energy <br /> recovery ventilators(ERV)the average hourly ventilation capacity must be determined in consideration of any reduction of <br /> exhaust or out outdoor air intake,or both,for defrost or other equipment cycling. <br /> Continuous ventilation-A minimum of 50 percent of the total ventilation rate,but not less than 40 cfm,shali be provided, <br /> on a continuous rate average for each one-hour period.The portion of the mechanical ventilation system intended to be <br /> continuous may have automatic cycling controls providing the average flow rate for each hour is met. <br />