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�� <br />� <br />NEAi�NC� � AIR C�Ir'DIt)t�ltt�(§, Y�, <br />E�St,t��tier• 191t,, 2015 <br />To Whom It May Cance��«: <br />This letter is meant ta clarify a concer�l regardin� the ra.nge and dryer exhaust vent <br />maierials installed at the Silver Lake Center totivnh�mes built by Potygon Homes <br />Northwest. Specifieally, the plan "EI and E3" towt�llomes in buildings 3, 6, 7, 8, 9, 10, <br />18, 14, and 20. Elftei• haviilg a represeritati��e of Bob's I Ieating perform � physical <br />inspectioi� of aIl EI aud E3 plan units in these buildings, we c�n confirm tl�ese <br />installations l�ave been completed using 30 gauge solid metat duct I-o�• the range exhausts, <br />and 28 gauge solid metal duct for the dryer exhausts in accot�danc;e wilh cliapter 1 S of the <br />2012 lnternational Residential Code. <br />Sincerely, <br />Ryan Strom <br />Mechanical Engineer <br />Bob's Heaiing and Air Condi#ioning, inc. <br />