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' Ven��it��ion, Makeup and Combustion Air Calcufafions � � � Submittal Form For New Dwellings These blank subm(ttal forms and instruct)ons are availabie at the Ctcy of Chaniiassen webs(te and at City Hall. The completed form must be submlt- ted 1n dupiicate at the tlme of application of a mechanical permit for new constructlon. Additional forms may be downloaded and printed at: http://www.d•chanhossen.mn.us/serv/bulld.html. • Siteaddress ) � � Qr�i ' �—i h y tV, Date � 1a�i( � Cootrector �ed � I Compieted I ,c� B �', i Section A • Ventilation Quantity , (Determine quantity by usingTable N2104.2 or EquaUon il-]) ' Squarefeet(Condidoned areaincludi�g . I Basement—finahed or unBnished � �,� � 1 7otal required ventilation � Numberof bedrvoms Continuousventilation �� Directlons-Determ/ne the total and continuous t�enfilation rate by either using Tab/e N2104,2 or equation 11-1. ' i 1"he[able and equorion are below. � 7abie N1104.2 • Total and Continuous Ventilatton Rates(in cfm) • I � Number of Bedrooms • . ( 1 Z . } 3 4 � 5 6 Conditioned space(in Total/. Totai/ Total/ Total/ Total/ 7otaf/ sq,ft.) continuous continuous continuous continuous continuous continuous 1000-1500 .60/40 75/40 90/4S 105/53 120/b0 135/68 1501-2000 70/40 85/43 100/50 115/58 �,30/65 145/73 2001-2500 80/40 9S/48 1�0/S5 125/63 140/70 i55/7g � 2501-3000 90/45 305/53 , 120/60 135/68 I50%75 165/83 � 3001-35Q0 100/50 115/58 130/6S 145/73 160/80 175/88 ' 3501-4000 110/55 125/63 I40/7� 155/78 170/85 . 185/93 � 4001-4500 120/60 135/68 1S0/75 165/83. 180/90 195�98 � 4501-5000 130/65 145/73 160/80 175/88 190/95 205/103 5001-5500 z40/70 L55/78 170/85 J,85/93 200 100 ziS/108 j 5501-6000 150/75 16S/83. 280/90 195/98 210/1 225/113 � Equation 11-1 ' . • j (0.02 x square feet of conditioned space)+(15 x(number of bedrooms+1}J=Totai ventifatlon rate(cfm) I � Conditioned space includes the basement. "' � � z If conditioaed space exceeds 6000 sq. ,ft._or there,are,more than 6 bedrooms, use I ' ' ' Eq'iration 11-1 from Section 1VI104.2 to calculate total ventilation rate. � 7otai ventilativn—The mechanical ventflation system shall provide sufficient outdoor afrto 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,shali be prov(ded,on a con- tinuous rate average for each one-hour period. 7he portion of the mechanical ventllation system intended to be cont'snuous may have automatic cycltng controls pravlding the average flow rate for each hour is met, • Page 1 of 6 � !