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Community Health Center <br /> 1. CONSTRUCTION STORM WATER POLLUTION <br /> PREVENTION ELEMENTS <br /> Element#1: Mark Clearing Limits <br /> Clearing limits have been hown on the SWPPP Plan. <br /> Bmp cla3 : Pteus{ic, cr Mekai Fncz <br /> Element#2: Establish Construction Entrance <br /> A temporary construction entrance at the location of the proposed drive aisle has <br /> been shown on the SWPPP plan. All vehicles shall be free of debris prior to leaving <br /> the site. <br /> BMP e/105:SialottiarA Consiludita Ac cess <br /> Element#3: Control Flow Rates <br /> Flow rates during construction are to be contained through the installation of <br /> temporary silt fencing on the eas side of the site. <br /> &nvP e2 l S m Trap a.ru Mmh°C233 l Thee <br /> Element#4: Install Sediment Controls <br /> Sediment controls mainly consist of installation of temporary silt fencing on the east <br /> side of the site. <br /> bine G 233 a S i Cf Fno,e, <br /> Element#5: Stabilize Soils <br /> All soils disturbed during site grading will be stabilized by use of the most <br /> appropriate BMP method available. These consist of short-term and long-term <br /> solutions. Short-term methods consist of compaction of the soils by vibratory roller <br /> or bulldozer. Long-term methods consist of straw covering over the soils (this is in <br /> the case of the project becoming dormant for greater than 1 month). At this time no <br /> wintertime grading or construction activities will occur. During construction periods <br /> longer than 1 working week (7 days) where the soils are exposed and un-worked will <br /> use the proscribed methods in the Storm Water Management Manual for Western <br /> Washington to reduce sedimentation transported offsite. If winter grading is <br /> conducted, all exposed soils shall be covered within 2 days. <br /> 6mr ei20:Tunporztn3attA PgrmanalkSerain3 anct 6M121 : rnol W9 <br /> Element# 6: Protect Slopes <br /> No steep slopes exist on-site; steqp slope protection is pot Tequired. <br /> OM also: S uer-face, Roupg , cosn u t Element#7: Protect Drain Inlets J 9 <br /> All catch basins within 500 feet downstream of the site will be protected with catch <br /> basin sediment inserts. <br /> Bmp c22o:abrinPsa v Iry carr cuori• <br /> Element# 8: Stabilize Channels and Outlets <br /> Channels and drainage outlets are not needed around the proposed development area <br /> on site. No stabilization is necessary. Existing channels or drainage outlets located <br /> within 500-feet of the property of the property should be routinely inspected for <br /> debris that may dam and/or 4tbY\ <br /> 'd rosion. <br /> orneC?oci: (fir.# 011M t1,e Eck• <br /> Element# 9: Control Pollutants <br /> All pollutants from construction vehicles will be contained and disposed of in the <br /> approved manner consistent with state environmental policies. Any vehicle <br /> maintenance will be performed by authorized mechanics using drip pans and waste <br /> containment vessels. All pollutants will be disposed offsite at approved facilities. <br /> Bt1P 0153 DetiV ) 5 e)and C.®nb-nm ' <br /> JOB NO:17-1688-A 1 <br />