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����' 668 Minnetanka Highlands Rd,Orano MN °'n 1112i2017 <br /> `°"``a``°� Sabre Heaiing And AfC `°�ed Josh G. <br /> section A <br /> 1lentilatinn Quantity <br /> (Determina quantiry by usii�g Ta�le R403.5.2 w�Equation 11-i) <br /> Squarefeet{Conditionedareainslud'mg �8.�� ;p�iTequiredYentliation 24� <br /> Baserttent—f3nfshed or unftntshedi <br /> � Cantinunus uenttiation ��� <br /> Numbcr of bedrooms <br /> Dlrertions-Defermtne ihe roraJ and conrinuous venttlation rate by cr7hCr using Fob)e R403.5.2 or cquatfon 11-1. <br /> the eable and rquarion ure befow <br /> Table R403.5.2 <br /> 7atal and Continuous Ventiiation Rat� in cfm <br /> Number of Bedrooms <br /> 1 2 3 4 5 6 <br /> Conditionedspace{in Total/ Tota1J Tatalj Total/ Total/ Tntali <br /> 1000-1500 6�/40 75J40 90J45 ip5/53 120j60 135/b8 <br /> 1501-2000 70 40 85 43 100 50 115 58 130 65 145 73 <br /> 20�1-2500 80/4� 95/48 110/55 1Z5/b3 140/70 155J78 <br /> 2501-3000 40/45 105J53 120/60 135/68 15dJ75 165J83 <br /> 3001-3500 100/50 115J58 130/65 1a5/73 160J80 175J88 <br /> 3SQ1-4000 17.0/SS 12Sj&3 14p/70 155/78 J.7Q(8S k85/93 <br /> 4001-4500 120/60 135/C.S 150/75 165/83 180/9� 195/98 <br /> 4501-5i1�OKl 130 65 145 73 1E�(3 8d 175 88 19f}95 2Q5 1Q3 <br /> 5001-5500 140/70 155/7$ 17(}f85 185 93 2QQ/1Q0 215/108 <br /> 5501-Fi000 150/75 165/83 180/90 145 98 210/1Q5 225/113 <br /> Equation il-1 <br /> (0.02 x square feet of conditioned spa�e�+[15 x(number of bedrooms+1)j=Tataf ventilation rate(cfm) <br /> Tota)ventilation—The mechanica!ventilation system shati provide sufficient outdoor air ta equal the total�entilation rete <br /> average,for each one-hour period acccarding ta the abnve table ar equation.For heat reeovery ventilators(HRV}and energy <br /> recavery ventilators(ERV)the average hourly ventilatian capatity must be determined in consideration of any reduction of <br /> exhaust or out outdoor air intake,or both,for defrosi or ather equipment cycling. <br /> ContPnuous ventilation-A minimum of 50 percent of the total ventilation rate,but not less than 40 cfm,shaff be provided, <br /> on a continuous rate average for each one-hour periad.The portion of the mechanical ventilatfort system intended to be <br /> continuous may have automaCic cycling controfs providing the average ffow rate for each hour is met. <br />