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.�,rr�r.; ,.�,� ,,c.s: [�. <br />'°5t- � � `�#�n-=... <br />� 'i <br />Y <br />FlEAilNG 6 AfR C4PiD�f1L�1f1�, i�G, <br />Qctobe�' 19��', 2�}1� <br />ia Whc�m It May Coricer•�: <br />This letter is meant to elaa•ify � co�l�;ern re�arding the range a�ic� dryer exhaust vent <br />tnaterials installed at the SilveY• Lake Center toti���hom.es built by Pc�ivgon Homes <br />Northwest. Specifcally, fhe plan "F'1 and L;3" tawnhomes in buildings 3, 6, 7, 8, 9, 10, <br />18, 1�, and 2Q. �fter having a��epresentative of I3ab's Fieating pe�•form a physical <br />inspection of afl E1 aiid E3 plan units in lhese. biaildii�gs, we can cc�n�ri�1 tl�ese <br />installations liave been completed using 30 gauge soIid metal ciuct for the rauge exhausts, <br />alid 28 gauge solid �netal ciuct for ihe dryer exhausls in accordance w�ith. cllapter 15 of 1l:ie <br />2012 lnteniational Residential Code. <br />Sincerely, <br />� <br />r� <br />Ryan Stragn <br />Mechas�ical Engineer <br />Bob's Heating and flir Conditiojling, inc. <br />