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Ventilation, Makeup and Combustion Air Calculations <br /> Submittal Form For New Dwellings <br /> These blank submittal forms and instructions are available at the City of Chanhassen website and at City Hail. The completed form must be submit- <br /> ted in duplicate at the time of application of a mechanical permit for new construction. Additional forms may be downloaded and printed at: <br /> http://www.d.chanhossen.mn.us/serv/build htm. <br /> Site address f D 0 V C1 yc ( 34 <br /> f-jo.st Date 9.12,,,le ; <br /> Contractor ,-&n ed <br /> -Completed <br /> a-6 iv rk. !'44--i yl, By Cr • /t(Gran ori • <br /> Section A <br /> Ventilation Quantity • <br /> (Determine quantity by usingTable N1104.2 or Equation 11-1) <br /> • <br /> Square feet(Conditioned area including • <br /> Basement-finished or unfinished) 1✓)r $ 9" Total required ventilation r _ <br /> • <br /> Number of bedrooms v/ Continuous ventilation g <br /> Directions-Determine the total and continuousKentila/tion rate by either using Table N1104.2 or equation 11-1. ' <br /> The table and equation are below. <br /> Table N1104.2 <br /> Total and Continuous Ventilation Rates(in cfm) • <br /> • Number of Bedrooms <br /> - <br /> 1 2 • 3 4 • 5 6 <br /> Cpnditioned space(in Total/. Total/ . Total/ Total/ Total/ Total/ <br /> sq.ft.) continuous continuous continuous continuous continuous continuous <br /> 1000-1.500 .60/40 75/40 90/4.5 105/53 120/60 135/68 <br /> 1501-2000 70/40 85/43 100/50 115/58 130/65 145/73 <br /> 2001-2500 80/40 95/48 110/55 125/63 . 140/70 155/78 <br /> 2501-3000 90/45 105/53 , 120/60 135/68 150/75 165/83 <br /> 3001-3500 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 / 190/95 205/103 <br /> 5001-5500 140/70 155/78 170/85 Ts5759? <br /> 200/100 215/108 <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))a Total ventilation rate(cfm) <br /> i Conditioned space includes the basement. • <br /> 2 If conditioned space exceeds 6000 sq. .11:_.9r,there•are.•gnQte than 6 bedrooms, use <br /> ' Equation 11-1 om 5'ection Nl 104.2 to calculate total ventilation rate. • <br /> Total ventilation—The mechanical ventilation system shall provide sufficient outdoor afr to equal the total ventilation rate average, <br /> for each one-hour period according to the above table or equation. For heat recovery ventilators(HRV)and energy recovery ventila- <br /> tors(ERV)the average hourly ventilation capacity must be determined in consideration of any reduction of exhaust or out outdoor <br /> 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 les;than 40 cfm,shall be provided,on a con- <br /> tinuous rate average for each one-hour period. The portion of the mechanical ventilation system intended to be continuous may • <br /> have automatic cycling controls providing the average flow rate for each hour is met. • <br /> • <br /> Page 1 of 6 <br /> RECEIVED <br /> • <br /> • <br /> • <br /> OCT 202016 <br /> • <br /> • <br /> • <br /> CITY OF ORONO <br />