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I.".-.intenancc <br /> Vortechs System Inspection 8 Maintenance Log— Sample <br /> Model: 5000 Loeatlon:Smlth Sup�ntorN,D�troif,MI � <br /> Det� Wsbr Fb�UbN Lay�r MNnbn�ne� MMni«Mna!:; CannMM�.'_ <br /> � P«form�d P�rwiNM " � ;: '' '� <br /> S�dimsn� Thieknns "�<r�'° M : :'�` � .'��1y'' <br /> 12/1101 36" 0" N/A 8.Johneon • tnafslbd <br /> 3l1/02 28" Sheen None B JohMOn ' binpt ri"' .' <br /> � �p�,,. <br /> 6H/02 24' Heavy Sheen None <br /> 9/1/02 20"' 1' �dP�r�emove ` s �'n^ ���ir ��a�,y��'.�; <br /> ��:. <br /> ca.plured al ,o <br /> 12l1/02 12" Sheen None S.Wley <br /> 4/7/03 5' , 0.5' � Cben-out acheduled 8 Rllsy , • HwrY ' <br /> a: ;'� 11aYJq' �', <br /> . f" y � _� �y t' <br /> 4l15/03 38' 0" Gdt Chamber ACE t Cbarwut� <br /> evecuatai Envlconmentai campteted. <br /> Servioea <br /> � . � . . . � . 1;. �: +, •w :: <br /> . . . . . r�r ;re 4:. <br /> _' s � fi ..a�';'�r' <br /> SAMPLE SHEET <br /> � -. <br /> . ; . : �.,:. , . . <br /> 1 The water depth to sediment is determined by laking lwo measuremants with a stadia rod:one <br /> measurement from the m�.nhole opening to thn top ot the sediment pile and the other frorn tne <br /> manhole opening lo!he waler surtace. When the difference between the lwo measurements is <br /> six inches or less, the syslem should be cleaned out. <br /> 2. For optimum performance, the syslem should be cleaned out when the Ooaling hydrocarbon <br /> layer accumulales to an appreciable thickness. In lhe event of a spill, the system should be <br /> cleaned immedialely. <br /> 118 02006 CONTECH Stortnwater Solutions <br />