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12{21�2011 08:53 {FAx) P,002�007 <br /> � <br /> - , ,.� �.<..,;�;s,r: ;'`c y„°v " ',,; <br /> ' z t* ���"y � � � X � <br /> �� °.. tt�.�. <br /> �.� � � ` . "' <br /> Ventiiation, Makeup and Cambustion Air Calculations <br /> Submittal Form For New Dwellings <br /> These blank submtttal forms and instructions dre ava�lahle at the Clty of Chenhassen webslte and at City Hall. The completed form must be submit- <br /> ted in duplfcate�at the time of appllcetfon of a mechanlcal perm(t for new constructla�, Addltlona)forms may be downloaded and printed at: <br /> hnp;//www,cl,charrhassen,mn.us/serv/buJld,h tml. <br /> Slt�addn�s �� Dete �rd,a � <br /> � Contractoi Complatad <br /> ��6�i1 � � B � � <br /> Sectlon A � <br /> Ventilation Quantity <br /> �DCtcrmine quantity by using Tdble N1204,2 or EQuatfon 11-1) <br /> 5quare feet(CondltEoned area lncluding ' <br /> 8asemant--flnlshed or unflnlshedJ � = Totdl requfrtd ventilati0n .� <br /> ✓ <br /> Number of bedrooms Continuous ventlletion �4S <br /> Dlrectlans-Dei�ermine the tota!and continuous ventllatlon rate by efther using Tab/e N1104,2 or equatian 11-1. <br /> � The table ond equation ore be/ow. � , <br /> Table N1104.2 . <br /> Total and Contlnuous ventiiatlon Rates In cfm <br /> Number of Bedrooms <br /> 1 2 3 4 5 6 <br /> Conditloned space(ln Tatal/ Total/ Tota1/ Totai/ 7otal/ 1'otal/ <br /> 5 .ft, contlnuous contlnuous contlnuou5 COntir1U0U5 COr1t1nU0U5 COf1ti11U0U5 <br /> 1000-1500 60/40 75/40 90/45 105/S3 120/6D 135/68 <br /> 1501-2040 70/4� 85/43 100/50 115/58 I30/65 145/73 <br /> 20D1-2500 80/4❑ 95/48 ].J.O/55 125/63 140/70 355/78 <br /> 2501-3D00 90/45 105/53 120/60 135/68 150/75 165/83 <br /> ; 300�-3500 100/50 115/58 130/fi5 145/73 16D/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 �65/83. 180/90 195/98 <br /> 4501-5000 z3a/s5 145/73 A60/80 i75/88 19Q/95 205/103 <br /> 5001-5500 140/70 155/78 170/85 185/93 20a/100 215/S08 <br /> ' 5501-fi000 150/75 �65/83 180/90 S95/98 210/105 Z�5/113 <br /> Equetion 1�-i <br /> (0.02 x square feet ot conditfoned space)+j15 x(number of bedrooms+1)]�Total venttlation rate(cfmJ <br /> Total venillat2an—The mechanlcal ventllation system sha(I provlde sufticfent outdoar alr to equaf the total ventllation rate average, <br /> for each one-hour period according to the abave tabls or equatlon. For he�t recovery ventlfators(NRV)and energy recovery ventlla- <br /> tors(ERV)the average hourly ventilation capatity must be determined ln conslderatlon of any reductlon of exhaust or out outdQor <br /> efr Intake,or both,for defrost or other equlpment CyClfng, <br /> Contlnuous vsntllatlon-A minimum of 50 percent of the tatal ventNatlon rate,but not less than 40 cfm.shall be provided,an a con- <br /> tinuous rate average for each one-hour perlod. The portion of the mechanlcal ventilatlan system intended to be contlnuous may <br /> have automatic cydfng controls providing the average flow rate far each hour is met. <br /> C3:\SAFETYWK\Vent-makeup-comb elr submittal(2).docx . Pe9A 1 Of 6 <br /> 1 . _ , <br />