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, • • ' Ver��t�!�t��n, Makeu� and Combustivn Air Calcu�ations <br /> � Submitf.a� Form For New Dwellings � <br /> 7'hese blank subm'rtta!forms and instrvctions are availabie at the C3ty of Chanfiassen website and at Gty Hall. The cemp(eted form must be submit- <br /> ted in dupticate at the Ume of appfication of a mechan"�ca!permit for new cons7ruction.Add�#iortal forms may be downloaded and printed at <br /> httP.//www.a.chanhassen.mn.us/serv/bufld.htrnl. , <br /> SRe address ] ) � <br /> �_� Date �J�, <br /> Co�actar _! <br /> Se�f w�� ) ;y Campteted <br /> T 8Y �. . <br /> Section A . + <br /> Ver��iEation Qnantity � <br /> , � <br /> (Detertnine 9�M�'by vsingTable(�'i1A4.2 or Equatk�11-1) � <br /> Sqware feet(Con�itSoned area inciuding I <br /> Sazement—finished or unfin;she@) 7 • ' ��o <br /> Totaf required venUlation <br /> Nvmberofbedrooms � �� ' ; <br /> Corrtfnaoar ventUation i <br /> Directions-Determine the fotal and corrtinuaus ventilution rate by eitlrer using Toble N2104.2 0�equation 11-1. ' ! <br /> 7he cable and equation are below. <br /> I <br /> 7able A[1204.2 . i <br /> � <br /> Total and Corrtinuous Ventilation Rates(in cfm) . � i <br /> ' Number of Bedrooms • I <br /> 1 z . 3 i <br /> 4 ' 6 I <br /> Con�itioned space(in Totat/. Totai/ Tota!/ 'fotal/ Totaf/ Totaf. <br /> � i <br /> sq.ft-� continuous continuous cantinuous cont+nuous continuous tontinuous � <br /> 1000-1500 •60/40 75/40 90/45 105/53 120/60 235/68 � <br /> LS01-2000 70/40 85/43 100/50 115/58 330/b5 145/73 ( <br /> 2001-2500 8d/40 95/48 I10155 125/63 140/70 155/78 <br /> 7501-30Q0 90/45 10�/�3 , I20/60 135/68 ?50%75 g{5�83 ' <br /> 3001-3500 100/50 215/58 130/65 145/73 160/Sa 175/88 � <br /> 3501-4000 110/55 125/63 140/70 155/78 170/85 185/93 � <br /> �0�'"4''� �20/� 235/68 150/75 165/83. 180/90 195�98 � <br /> 4501-5000 130/65 245/73 160/80 175/88 190/95 2U5/103 � <br /> 5001 5500 140/70 155/78 170/85 185/93 200 100 Z25/ypg ' <br /> 5501-6000 150/75 165/83. 180/90 195/98 2I0/105 225J113 ! <br /> Equation 11-5 ' , • . I <br /> (0.42 x square feet of cand-�oned space)f[I5 x(number of bedrooms+i}]=Tota1 ventr7ation rate(dm) � <br /> I Conditioned space includes the basement - � <br /> z If conditioned space exceeds b000 sq. ft or.tt�ere are.more tham 6 bedrooms, vse i <br /> ' � ' Eqiiatiou 11-I f'rom Je�ction NI 104.2 to calcuta�te toial ventilatioa rate.� <br /> Total ventFlation—The mechanical ventilation system shall provide s�rfFicient outdoor air to equal the total ventilation rate average, � <br /> for each one-hour periotl accorfiing to the above table or equation. For heat recovery ventilators(HRV)and energy recovery ventifa- ' <br /> tors{ERvj the averege hourly ventilation capacity must be determined in consideration of any reduction of exhaust or out outdoor � <br /> air inqke,or both,for defcost or otfier equipment tyding. , <br /> Continuous ventilation-A minimum of 50 perceM of the tota!ventilation rate,bu#not tess 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 corninuous may <br /> have automatic tycling controls providing the average fbw rate for each hour is met. { <br /> • i <br /> : Page 1 of 6 � <br /> � <br /> � i <br /> . , � <br /> . . . ... . i'll.TWN:Wi.'JIFir=T� . 4T•u'.::'yF�::A"..3.��:�'�+.R'4�.YT.f'�';�T.,�.RtiraFe':wm.�.:.Yees�e. ::::.'a .¢��.ir:.+m�:rrs.�...n:x.—.a�-T�....�..:__.. _._.__.. .__._..._. <br />