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Site addras pne <br /> `°"""`°` Sabre Plumbing 8� Heating `°°'D� Michael H <br /> Section A <br /> Ventilation Quantity <br /> (Determine quantlty by using Table R403.5.2 or Equation 11-1) <br /> Square feet(Condkioned area including 4912 Total required ventilaYron 175 <br /> Basement—finished or unfinished) <br /> 4 Continuous ventilation �� <br /> � Numberofbedroams <br /> Diredions-Determine the total and continuous ventilation mte by either using Table R403.5.2 ar equotion 11-1. <br /> The table ond 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 90/45 105/53 120/60 135/68 <br /> 1501-2000 70/40 85/43 100/50 115/58 130/65 145/73 <br /> 2001-2500 80/40 95/48 130/55 125/63 140/70 155/78 <br /> 2501-3000 90/45 105/53 120/60 135/68 150/75 165/83 <br /> 3001-3500 100/50 115/58 130/65 145/73 160/80 175/88 <br /> 3501-4000 110/55 125/63 140/70 155/78 170 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 140/70 155/78 170/85 185/93 200/100 215/108 <br /> 5501-6000 150/75 165/83 180/90 195/98 210/105 225/113 <br /> Equation 11-i <br /> (0.02 x square feet of conditioned space)+[35 x(number of bedrooms+1)]=Total ventilation rate(cfm) <br /> Total ventilation—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 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,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 averege flow rate for each hour is met. <br />