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• Ventilation, Makeup and Combustion Air Calculations - • Submittal Form For New Dwellings Site address C0f1V ), LA c . /.{��' 1'4{) Date to 21.1 Contractor td/act Completed �"" y, t Section A Ventilation Quantity (Determine quantity by using Table N1104.2 or Equation 11-1) Square feet(Conditioned area including /a/ • Basement—finished orunfinished) . Total required ventilation / c C./ Number of bedrooms , 110 7 5 Continuous ventilation 7S` - Directions-Determine the total and continuous t entilation JJrate by either using Table N1104.2 or equation n-i. ' The table and equation are below. Table N1104.2 - - • Total and Continuous Ventilation Rates(in cfm) - • Number of Bedrooms - 1 2 - 3 4 - 5 6 • - Conditioned space(in Total/., Total/ Total/ Total/ Total/ Total/ sq.ft.) continuous continuous continuous continuous continuous continuous 1000-1500 .60/40 75/40 90/45 105/53 120/60 135/68 1501-2000 70/40 85/43 100/50 115/58 _130/65 145/73 2001-2500 80/40 95/48 _110/55 125/63 140/70 155/78 2501-3000 90/45 105/53 _ 120/60 135/68 150/75 165/83 3001-3500 _ 100/50 115/58 ' x130/65 145/73 160/80 175/88 3501-4000 110/55 125/63 140/70 155/78 170/85 185/93 - 4001-4500 120/60 135/68 150/75 165/83. 180/90 195/98 4501-5000 130/65 145/73 160/80 175/88 190/95 205/103 ' 5001-5500 140/70 155/78 170/85 185/93 200/100 215/108 5501-6000 150/75 165/83 180/90 195/98 _210/105 225/113 Equation 11-1 (0.02 x square feet of conditioned space)+[15 x(number of bedrooms+1)1=Total.ventilation rate(cfm) i Conditioned space includes the basement. 2 If conditioned space exceeds 6000 sq. ft,_or there are more.than 6 bedrooms, use Equation 11-1 from Section N1104.2 to calculate total ventilation rate. Total ventilation—The mechanical ventilation system shall provide sufficient outdoor air to equal the total ventilation rate average, for each one-hour period according to the above table or equation. For heat recovery ventilators(HRV)and energy recovery ventila- tors(ERV)the average hourly ventilation capacity must be determined in consideration of any reduction of exhaust or out outdoor air intake,or both,for defrost or other equipment cycling. Continuous ventilation-A minimum of 50 percent of the total ventilation rate,but not less than 40 cfm,shall be provided,on a con- tinuous rate average for each one-hour period. The portion of the mechanical ventilation system intended to be continuous may have automatic cycling controls providing the average flow rate for each hour is met. • Page 1 of 6