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I <br /> I <br /> No. 5—Catch Basins <br /> I <br /> � Maintenance D¢fect Conditions When Maintenance is Neeaed Resul!s Expected When <br /> Component Maintenance is <br /> performed <br /> Contamination See"Detention Ponds"(No. t). No poliution present. <br /> and Pollution <br /> Catch Basin Cover Not in Cover is missing or onty partially in place. Catch basin cover is <br /> Cover Place Any open catch basin requims maintenance. dosed <br /> Locking Mechanism cannot be opened by one A1echanism opens with <br /> Mechanism maintenance person with proper tools. Bolls proper rools. <br /> Not Working inlo frame ha�ie less ihan 1l2 inch of thread. <br /> Cover Di(ficull One mainlenance person cannot remove lid Cover can 6e removed by <br /> to Remove after applyino normal lifting pressure. one mainlenance person. <br /> 'i Qntent is keep cover from sealing oB access <br /> � to maintenance.) <br /> Ladcler Ladder Rungs Ladder is unsafe due to missing rungs,not Ladder meets design <br /> I Unsale securely attached to basin wall, standards and allows <br /> misalignment, rust,uacks,or sharp edges. maintenance person safe <br /> access. <br /> I Metal Grales Grate opening Grate with opening wider than 7/8 inch. Grate opening meets <br /> (If Applicabie) Unsafe design standards. <br /> Trash and Trash and dehris Ihal is blceking more lhan Grate tree of lrash and <br /> � Debris 2046 of grate surface inletting capaciry. debns. <br /> Damac�ed or Grate missing or broken member(s)of the Grate is in place and <br /> Missing. grate. meets design standards. <br /> ( <br /> � No. 6—Debris BaRiers (e.g.,Trash Racks) <br /> Maintenance Defect Condition When Maintenance is Results Expected When <br /> Components Need¢d Maintenance is Per(ortned <br /> � General Trash and Trash or debris ihal is plugging more Barrier cleared to design ilow <br /> Debris than 20%of the openings in the barner. capacity. <br /> Metai Damaged/ Bars are bent oul o(shape more than 3 8ars in place with no bends more <br /> Missing inches. ihan 3/4 inch. <br /> Bars. <br /> Bars are missing or entire barrier Bars in place according to design. <br /> missing. <br /> Bars are loose and rusl is causing 50% BaRier replaced or repaired to <br /> deterioration to any part of barrier. design standards. <br /> InIeVOutlel Debns barrier missing or nol attached to Barrier frmly attached to pipe <br /> Pipr. pipe <br /> 2�� <br /> August 2001 Volume V—Runolf Treatment BMPs 4-37 <br />