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No.S—Catch Basins <br /> Malntenance Defect ConAitiuns When Maintenance is Needed Results Ezpected When <br /> G�mponent Mainlenance is <br /> periortned <br /> Contamination See"Detention Ponds"(No. 1). No pollulion present. <br /> and Pollulio� <br /> Calch Basin Cover Not in Cover is missing or only partially in place. Catch basin cover is <br /> Cover Place Any open catch basin requires maintenance. Gosed <br /> Locking Mechanism cannol be opened by one Mechanism ope�+c wi�h <br /> Mechanism maintenance person vnth proper tools. Bolts proper lools. <br /> Not Working into frame havc!�ss than 1l2 inch ol ihread. <br /> Cover Dif6cull One maintenance person cannot remove lid Cover can be removed by <br /> to Remove afler applying nortnal lifting pressure. one maintenance person. <br /> (Intent is keep cover from sealing off access <br /> lo mainlenance.) <br /> Ladder Ladder Rungs Ladder is unsa(e due to missing rungs, nol Ladder meets design <br /> Unsa(e securely atlached to basin wall, slandards and allows <br /> misalignment,rust,c2cks,or sharp edges. maintenance person safe <br /> access. <br /> Metal Grates Grate opening Grale wilh opening wider than 7l8 inch. Grate opening meets <br /> (IlApplicable) Unsa(e designslandards. <br /> Trash and Trash and debns lhat is blocking more than Grale free of trash and <br /> Debns 20%of 9rate surface inletting capacity. debns. <br /> Damaged or Grete missin9 or broken member(s)of the Grate is in p�ace and <br /> Missing. grate. meetsdesignstandards. <br /> No. 6—Debris Barriers (e.g.,Trash Racks) <br /> Maintenance Defect Condition When Matntenance is Results Expected When <br /> Components Needed Maintenancc is Perfonned <br /> General Trash and Trash or debris�hat is plugging more Barrier cleared lo design flow <br /> Debris than 20%of the openings in the barner. capacity. <br /> Metal Damagedl Bars are bent out of shape more than 3 Bars in place with no bends more <br /> Missing inches. Ihan 3/4 inch. <br /> Bars. <br /> Bars are missing or entire barner Bars in place according to design. <br /> missing. <br /> Bars are loose and rusl is causing 50% Barrier replaced or repaired to <br /> delenoration lo any part o(bamer. design standards. <br /> InIeUOutlet Debris 6arrier missing or not atlached to Bamer firrrly attached lo pipe <br /> Pipe pipe <br /> Febn�ary 2005 Volume V—Rimo/f Treatment BMPs 4-37 <br />