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�a�f°� 7814 D8� 1/18/2017 <br /> `°�`°� Sabre Heating And A/C `°'�ted Josh G. <br /> Sectlon A <br /> Ventilation Quantity <br /> (Determine quantity by using Table R403.5.2 a Equation 11-1) <br /> Square feet(Conditioned area induding 4068 TMaI required vmtilation 150 <br /> Basement—finished or unHMshed) <br /> 3 Condnuous venUlatlon 75 <br /> Number of bedrooms <br /> DNectfons-Determine the total and contlnuous ventUation rote 6y elther using Tobk R403.5.2 or eyuatlon 11-1. <br /> The ro61e and equation are below <br /> Table R403.5.2 <br /> Total 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 45 305 53 120 60 135 68 <br /> 1501-2000 70 40 85 43 100 50 115 8 130 65 145 3 <br /> 2001-2500 80 40 95 48 130 55 125/63 140/70 155 8 <br /> 25013000 90 45 305 53 120 60 135 68 150 5 165 83 <br /> 3001-3500 100 SO 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 /> 4001-4500 120 60 135 68 50 165/83 SSO 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 1� 215 108 <br /> 5501-6000 150 5 165 83 180� 195 98 210 SOS 225 113 <br /> Equation 11-1 <br /> (0.02 x square feet of conditioned space)+(15 x(number of bedrooms+i))=Total ventilation rate(cfm) <br /> Total venttlation—The mechanical ventilation system shall provide sufficient outdoor air to equal 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 redudion of <br /> exhaust or out outdoor air intake,or both,for defrost or other equipment cycling. <br /> Continuous ventilatton-A minimum of 50 percent of the total ventilation rate,but not less than 40 cfm,shall 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 cyciing controls providing the average flow rete for each hour is met. <br />