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DRAINAGE REPORT <br />Miller Residence Drain <br />3.0 APPLICABLE MINIMUM REQUIREMENTS <br />June 2023 <br />The City of Everett uses SWMMWW for stormwater guidelines. Volume 1 of the Stormwater <br />Management Manual for Western Washington (SWMMWW) outlines the Minimum Technical <br />Requirements applicable to new development, redevelopment, and road -related projects. Figure 2.4.2 <br />of the SWMMWW is a diagram to aid in the determination of the minimum technical requirements <br />applicable to redevelopment projects. Figure 2.4.2 from the SWMMWW is included below in Figure S. <br />Does the project result in 2.000 square feet. or more. of new plus replaced hard surface area? <br />OR <br />Doi the land dist=-rg activity total 7.000 square feet or greater? <br />Yes No <br />hhrnmum Requirements #1 NYaugh #5 <br />apply to the new and replaced hard I IM <br />inimum Requirement #2 applies. <br />surfaces and the land Gsturbed <br />Next Question <br />Does the project add 5-000 square feet or more of new hard surfaces? <br />OR <br />convert A acres or more of vegetation to lawn or landscaped areas? <br />OR <br />Convert 2.5 acres or more of native vegetation to pasture? <br />Yes No <br />All Minimum Requirements appty Neat Question Is this a road <br />to the new hard surfaces and the related project? No <br />converted vegetation areas. <br />Vol <br />Does the pr-,ect add 5.000 square feet or more of new hard surfaces? <br />Yes No <br />Is the total of new plus replaced hard surfaces <br />Do the new hard 5,000 square feet or more, <br />surfaces add 50e% or NO AND <br />N FIN.additional,tore to the existing does the value of the proposed improvements <br />hard surfaces within uirements- - including interior improvements - exceed <br />the project limits? 50% of the assessed value (or replacement <br />value) of the existing site improvements? <br />Yes' All Minimum Requirements apply to the new and replaced hard surfaces and converted vegetation areas. I� Yes <br />Figure 1-2.4.2 <br />im Flow Chart for Determining Requirements for <br />Redevelopment <br />DEPARTMENT OF Revnea ns 2013 <br />ECOLOGYPrue see ntmswxw ery wa Jov cgoY qnl nM1n'rar copf'YPub ncacr thauam0 pe miss ars <br />State or wash•"Qton tmnanon &aabmy ape "roamer <br />Figure 5 Stormwater Management Manual for Western Washington —Volume I — Figure 2.4.2 <br />As shown in Figure 5, because the proposed project has less than 7,000 square feet of land disturbing <br />activity, Minimum Requirement 2 is applicable. <br />DCG/Watershed <br />20230616 Miller Drainage Report FINAL Page 6 <br />