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� � . <br /> �o�� <br /> Juue 7, 1999 <br /> Jane �immer:nan <br /> City of Everett <br /> Public Works Departnient <br /> 3200 Ceclar Street � <br /> �verett, WA 98201 <br /> Re: Community Transit Kasch Par•k Mainten.ance Faci.lity Expunsion— Otah i <br /> Project No. H8359.K01 � <br /> Dear NIs. Zimmermaa: � <br /> �nclosed are copies of thc plan set for the above referenced projecC which have been <br /> submitted for review and approval. I am sending these to you in advance along with t.i�is <br /> letter to confirm that we have addressed the sta•mwater c�nditions for the project, � <br /> consistent with the City's requirements and our earlier i,elephone conversations. <br /> The prouosed project is part oF the phased developmeu� o£the site in accordance wi�h the �. <br /> revised Mitigated Determination of Non-Significance for SEPA #G-83 (dated July 21, 1993) <br /> and tlie P'indings and Deci�ion of the Hearing �saminer for the approval of the amendment <br /> to Concomitant Agreement#953-53 (Rezone#1-83; dated September 19, 1993). Tlte <br /> stormwater detention and water quality treatment facilities f'or the site were designed by <br /> Reid Middleton and installed under aa� earlier project. These facilities were intended to be <br /> designed with a capacity for the iiltimnte Uuildoat condition approved in the S�PA and <br /> Concomitant AgreemenC. <br /> The uetertion vault, flow control structure, and bio5ltration system were designed for a <br /> developed site condition with � total impeivious area o£ 13.I acres, nn increase of 5.0 acres, <br /> accordine to Reid IVIiddleton's final storimvater calculations (File#21-93-011-002•Q�, <br /> August 24, 1993). The proposed project, as shown in the enclosed plans, results in � total <br /> i.mpervious area uf 12.2 acres, including building roof areas. This is much less than the <br /> design value of 13.1 acres. Also, the proposed improvemente reduce the total paveri surface <br /> area subject to vehicular use by approximately 8 i 5 square feet (0.02 acees). ror this <br /> reason, the storm,rater improvements proposed are limited to collection and conveyance. <br /> o C� (� � Od � n � .�- <br /> F�..CNITECTUPE I <br /> 620 nirkland WdY� SOI�C 100 If IAI O � ���� � '-MG�NEEAING <br /> kirkland, washington 98033-6021 <br /> 1r,��� LA MOSCqPE <br /> (St�) G22-4M146 KHCM.TECTIIRE <br /> .. .... .................... <br /> GITY OF EVERE'fT """"'"` <br /> SURVEYIlIG S <br /> faz (425) 827-9577 Permit Services <br /> WYJK'.OtdA.CCRI MRPPIRG <br /> � UPOqN pE51GN <br /> J.rnr n;v\\Ipll!lyvrcn'�g Im.µl <br />