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sn�eda�u �g07 � 12/9i2016 <br /> `°"""`°` Sabre Heating and A/C `°"��`d Josh G. � <br /> Section A <br /> Ventilation Quantity <br /> (Determine quaMity by using Table R403.5.2 or Equation 11-1) <br /> Square feet{Conditioned area including 4382 Total required verrtflaUon 18� <br /> Basement—finished or unfinished) <br /> 5 Condnuous ventilatlon �O <br /> Number of bedrooms <br /> Directtons-Determine the total ond tonilnuoiu venttlation rate by efther using Table R403.5.1 or equot/on 11-1. <br /> 7rie table and equot7on are bebw <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 Totai/ Total/ Total/ Totai/ Total/ Total/ <br /> 1000-1500 60 40 75 40 90 45 105 53 120 60 135 68 <br /> I501-2000 70 40 85 43 100/SO 115/58 130/65 145 3 <br /> 2001-2500 80 40 95/48 110/55 125 63 140 0 155 8 <br /> 2501-3000 90 45 305 53 120 60 135 68 150/75 165 83 <br /> 30013500 100 50 115 58 130 65 145/73 160 80 175 88 <br /> 3501-4000 110 55 125 63 140 0 155 8 170 85 185 93 <br /> 4001-4500 120 b0 135/68 150 5 165 83 195 98 <br /> 4501-5000 130 65 145 3 160 80 175 88 190 95 205 303 <br /> 5001-5500 140 0 155/78 170 85 185 93 200 100 215/108 <br /> 5501-6000 150 5 165 83 180 90 195/98 210 105 225/113 <br /> Equatlon 11-1 <br /> (0.02 x square feet of conditioned space)+[15 x(number of bedrooms+1))=Total ventilation rate(cfm) <br /> Tota)ventitation—The mechanical ventilation system shall provide sufficient outdoor air to equal the totat 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 capaciry 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 ventilatfon-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 cycling controls providing the average flow rate for each hour is met. <br />