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Site address 780 Lakeview Parkway,Orono MN Date 10/4/2016 <br /> `°°`�"°` Sabre Plumbing & Heating ��BY ted Michael H <br /> Section A <br /> Ventilation Quantity <br /> (Determine quantity by using Table R403.5.2 or Equation 11-1) <br /> Square feet(Conditioned area Including 5540 Total required ventilation 21� <br /> easement—finished or unfinished) <br /> � Continuous ventilation 105 <br /> Number of bedrooms <br /> Diredions-Determine the total and mntinuous ventilation rate by either using Table R403.5.2 or equation 11-1. <br /> The ta61e 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 85/43 100/50 115/58 130/65 145/73 <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 S00/50 115/58 130/65 145/73 160/80 175/88 <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 140/70 155/78 170/85 185/93 215/108 <br /> 5501-6000 150/75 165/83 180/90 195/98 210/105 225/113 <br /> Equation 11-1 <br /> (0.02 x square feet of conditioned space)+[15 x(number of bedrooms+1)J=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 average flow rate for each hour is met. <br />