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• <br /> JOB NO. 14364 <br /> An Engineering Services Company JOB NAME Starbucks - Broadway & 10TH <br /> 11255 Kirkland Way,Suite 300 SHEET NO. 1 OF 2 <br /> Kirkland, Washington 98033 CALCULATED BY EM DATE 2/27/2014 <br /> Phone:425.827.2014 Fax: 425.827.5043 CHECKEC BY JW DATE 2/27/2014 <br /> Assumptions: <br /> The following calculations have been made for the purpose of determining the volume of storage <br /> requred for incremental discharge rates during construction in accordance with Volume 2 of the 2010 <br /> Edition of the City of Everett Stormwater Management Manual. The proposed development is for the <br /> construction of a new Starbucks location at 1010 North Broadway; Everett, WA. Given the nature of <br /> the project, Sedimentation Tanks will be utilized to control sediment laden stormwater from leaving the <br /> site. WWHM 2012 has been utilized to establish expected flow rates durring construction. The entire <br /> sit has been conservatively taken to be 100% Impervious. <br /> MITIGATED LAND USE: Flow Freqency Return Periods <br /> Basin Name : Broadway & 10th Store <br /> Bypass: No Return Period Flow(cfs) <br /> GroundWater: No 2 year 0.1766 <br /> 5 year 0.2390 <br /> Pervious Land Use 10 year 0.2846 <br /> 25 year 0.3473 <br /> Pervious Total : 0 50 year 0.3974 <br /> 100 year 0.4518 <br /> Impervious Land Use <br /> PARKING FLAT : 0.416 Acres <br /> Impervious Total : 0.416 Acres <br /> Basin Total : 0.416 Acres <br /> This program and accompanying documentation are provided'as-is'without warranty of any kind. The entire risk regarding <br /> the performance and results of this program is assumed by End User. Clear Creek Solutions Inc. and the governmental <br /> licensee or sublicensees disclaim all warranties, either expressed or implied, including but not limited to implied warranties <br /> of program and accompanying documentation. In no event shall Clear Creek Solutions Inc. be liable for any damages <br /> whatsoever(including without limitation to damages for loss of business profits, loss of business information, business <br /> interruption, and the like) arising out of the use of, or inability to use this program even if Clear Creek Solutions Inc. or their <br /> authorized representatives have been advised of the possibility of such damages. Software Copyright©by: Clear Creek <br /> Solutions, Inc. 2005-2013;All Rights Reserved. <br /> P:1P14114364.00 StarbuckslDOCS1CALCS114364_TESC Calc Sheet.xls Page 1 of 2 <br />