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.�.r �� :sval4.v <br />,�,�,��� m��.a. <br />�� <br />fl W i 7lT� N Mfl 4 VI'f Vl !! V)tt�r 1A�. <br />�ctt�li��• 19�k,, 2� 1 � <br />To Whom It May Cancet�n; <br />This letter is meant to clarify a concern regarding the range a��d dryer exhaust veni <br />mate�•ials instalied at the Silver Lake Center to��nlhom.es built by Polygon Hotnes <br />Narthwest. S�ecifieally, the plan "B1 and E3" taw-nhon�es in buildings 3, 6, 7, 8, 9, 10, <br />1�, 19, and 20. After havi�ig a re�resentative of Bob's �ieatiilg perform ���hysical <br />i�lspection of all E1 �nc� E3 plan ur�it:s it� these buildings, we ca� coa��rin tl�es� <br />instailations have bee�� compteted using 30 n��uge solid metal duct �for the ra�ige exhaus[s, <br />asid 28 �auge sol.id m.etal duct for the dryer exhausts in accordance with cliapter 15 of 1he <br />2012 Irrtemational Residential Code. <br />Sincerely, <br />� <br />�``f./' <br />� ��� <br />Ryan Stram <br />Mechanical Engineer <br />Bob's Heating and �1ir Conditio�zing, inc. <br />