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1144EA57lAlIEAV6L. T �.S72.�10 <br /> SUITE 601 F ]06.5]1.D3M , <br /> SU7TLE�W�98309 MIWM.NII�AAMu.COM • � � , <br /> December 8, 2005 �W O(1G Z-G?� <br /> Paul McKee and Jane Zimmerman <br /> Everett Public Workt Department <br /> 3200 Cedar Street <br /> Everett, Washington 98201 <br /> Subject Fanda Express- Everett, WA (Lot B per BSP 03-006) <br /> Site Address: 11610 Evergreen Way <br /> Previously Approved Storm Report <br /> Dear Paul and Jane: <br /> This letter is written to confirm that the site of the F'anda Express was entitled and <br /> approved for storm water under the application of Wal-Mart Srore#5195. The storm <br /> report and storm system accounted for this lot to be 100°I6 impervious with a CN—98. The <br /> Panda site will utilize catch basins and 12" storm pipe for conveyance to the previously <br /> installed system within the Wal-Mart parking lot. The parking lot and roof storm water is <br /> then conveyed to the large two celled storm pond located in the southwest corner of the <br /> Wal-Mart property. <br /> The 24 hour-100 Year storm event flow for this site as 100% impervious coverage is <br /> 0.60cfs. A 12" ADS N-12 pipe at 0.5% slope can convey 1.37ds at 5096 full with a <br /> Manning's Coefficient of 0.012. <br /> We appreciate your assistance with this project and in particular your quick review of <br /> previous submittals. Please feel free to contact me if you have questions regarding this <br /> letter. <br /> y A. <br /> Sincerely,C`�2%�/ � � �k��Cf �• I' <br /> �� / , , ' <br /> �'"�� <br /> Jeff Chambers, P.E. ''"'j �8 <br /> Project Manager ��'.��� <br /> � <br /> evpepmh0l EXPIRES 11 (11 l07 <br />