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' Vortechs System Inspection & Maintenance Log— Sample <br /> IAodei: 5000 Locatlon: Smlth Superstores, Detrolt,MI <br /> Date Water Floatable Layer Maintenance Malntenance . Commenta <br /> Depth to Thicknoas� Performed Person�el <br /> SedimeM� <br /> 12/1/Ot 36" 0" N!A B.Johnson Installed <br /> 3l1/02 28" Sheen None B.Johnson Swept <br /> parking lot <br /> � 6/1/02 24" Heavy Sheen None <br /> i <br /> 911/02 20"' 1" Sorbent pads S. Riley Oil spill <br /> deployed to remove . <br /> i captured oil <br /> 12/1/02 12" Sheen None S. Riley <br /> � 4/1/03 6" 0.5" Cleanoutscheduled S. Rile • Hea <br /> Y +Y <br /> I � floating .!'�r. <br /> � debn:. <br /> I i 4I15/03 36" 0" Gnt Chamber ACE Cleanoul <br /> avacuated Environmental completed <br /> Servir,es <br /> i . :r <br /> � _ _ <br /> � <br /> � Se4MF�'LE SHEET � ; - . : <br /> 1. The w�ter depth to sediment is determined by taking two measurements with a stadia rod: one <br /> � measurement from lhe manhole opening to the top of lhe sedimenl pile and the other from lhe <br /> � manhole opening to lhe water surface.Vl'hen the difference belween the lwo measurements is <br /> six inches or less, the system should b•a cleaned out. <br /> 2. For optimum performance, the sys[em should be cleaned oul when the Iloating hydrocarbon <br /> layer accumulates lo an appreciable thickness. In lhe event o;a spill, the systen should be <br /> cleaned immediately. <br /> � <br /> � <br /> � <br /> >>8 �2006 CONTECH Slormwater Solutions <br />