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Ve��il�tion, Makeup and Combustion Air Calcufations � � y <br /> Submit�al Form For New Dweilings ` <br /> 'fhese blank submittal forms and instructlons are ava(lable at the Clty of Chanliassen website and at City Mall. The conipiated form must be submft- <br /> ted in dupiicate at the time of application of a mechanicaf permit for new constructfon. Additiona!forms may be downioaded and printed at: <br /> hitp://www.ci.chonhassen.mn.us/serv/bulld.hhrrl. • <br /> 5ite address ',�j+� i' /� <br /> `�3'�- Z� �Ke 1�f 2 iy �.oul Date �--,�Q.�� <br /> Contractor <br /> S _ f (.�lfG�� Completed <br /> E'�Ci� t It BY �' u � . <br /> Section A • I <br /> Ventilation quantity , i <br /> (Determfne quantiry by usingTdble N1104.2 or Equdtlon il-1) ' <br /> Square feet(Condittoned area including / <br /> Basement-finished or unflnished) � ��� Total requlred ventllatlon /�� � <br /> Numberof bedrooms 3 ConUnuous ventilation �� � <br /> Directlons-Determine the total and continuous�{entilatlon rate by either using Tab/e N11Q4.2 or equation 11-i. ' � <br /> i <br /> 7he tab/e and equatlan are be/ow, i <br /> Table N11DA.x • ! <br /> Total and Continuous Ventilation Rates(in cfrn) • ; <br /> � Number of Bedrooms • j <br /> 1 � � 3 4 5 6 <br /> Conditioned space(in Total/. Totai/ Totaf/ Total/ Total/ 7otaf/ � <br /> sq.h.) continuous continuous continuous continuous continuous continuous <br /> 2000-1500 .60/40 75/40 90/45 !05/S3 �120f60 135/68 <br /> 1501-2000 70/40 85/43 100/50 115/S8 �30/65 145/73 I <br /> 2001-2500 80/40 95/48 13,0/55 125/63 . 140/70 �55�78 � <br /> 2501-3000 90/45 105/53 , 120/60 135J68 150�75 Ib5/83 � <br /> 3001-3500 100/50 115/58 130/65 145/73 160/80 175/88 � <br /> 350i-4000 110/55 125/63 140/70 155/78 170/85 • 185/93 � <br /> 4001-4500 120/6a 135/68 150/75 165/83 . 180/90 �g,5�gg i <br /> 4501-5000 130/65 145/73 160J80 175/88 190/95 205/1D3 ! <br /> 5001-5500 zao%o iss/�s 185/93 zoo/zoo zis/�os ; <br /> 5501-6�00 150/75 165/83. 180/90 195/98 210/105 225/113 I! <br /> 1 <br /> Equation 11-1 ' • . ' <br /> (Q.02 x square feet of conditloned spaceJ+(15 x(number of bedrooms+1}J=Total ventiiatlon rate(cfm) � <br /> 1 Conditioned space includes the basement. "' j <br /> 2 If conditioczed space exceeds 6000 sc�. �t._or thexe,are.more than 6 bedrooms, use I <br /> Eqiiation 11-1 from Sectiozi NI104.2 to calculate total ventilation rate.� <br /> Total ventllation—The mechanical ventifation system shall provide sufficient outdoor air to equal the totai ventifation rate average, j <br /> for each one-hour period according to the above table or equation. For heat recovery ventilators(HRVj 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 equ�pment cycling, <br /> Contlnuous ventllation-A minimum of 50 percent of the total ventflation rate,but not less 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 automaiic cycling controls providing the average flow rate for each hour is met. . <br /> Page 1 of 6 <br /> I <br />