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No. 5 — Catch Basins <br />Maintonance Defect <br />Componenl <br />Calch E3a5in <br />Cover <br />Ladder <br />Metal Grates <br />(If App6cablo) <br />Conlami�iatlon <br />and Po�lution <br />Cover Not in <br />Placo <br />Conditions When �lainlenance (s Nueded Results Expected When <br />Maintenance is <br />portormed <br />See "DMenlion Ponds" (No. 1). No pr�llution presenl. <br />Cover is missinq or only paitially in place. Catch basin cover is <br />Any opr,n catch basin req�i, as maintenance. closed <br />Locking Mechanism car,nol be opened by one <br />Mechanisi� miintonanca pe; son wilh propor tools. Rolis <br />Not Woikir{I inlo har_ � h:rv, Iess than 1;2 inch of lhread_ <br />Cnver Di�Fcult �ne i���.� ��rnance person cannot ramovo lid <br />lo Remo�•e alter a�: �lying normal lifling p�esswa. <br />(Inlonl Is keep cuvar from sealing olt accoss <br />to maintenance.) <br />Laddcr Rungs Laddor is unsafa due b rnissing rungs, not <br />Unsafe secure'y attached to basin wall, <br />misali�nment, rust, cracks, or sharp edges. <br />Graln opening <br />Unsafe <br />Tresh nnA <br />Debris <br />Damaged ar <br />MISSIfI(J <br />Grato with oponing wider Ihan 7/P fnch. <br />Trash and debds �ha� is bla:king more �han <br />20"/0 0l grele suA�cA in'slliny i��yacity. <br />Gralo m��sing or broken mombor(s) of the <br />Ofd�C. <br />No. 6— Debris Barriers (e.g., Trash Racks) <br />M�chanism opens with <br />propertools. <br />Cover can ho removod by <br />ono maintenanco person. <br />Ladder mecls design <br />stanAards enU allows <br />mainlenance person salr. <br />accoss. <br />Grate opening meets <br />design slandards. <br />Gralc (roe ol Irash and <br />debris. <br />Grale is in place and <br />mr.els desigo s�andards. <br />Melntenanco �efecl Conditlon When Maintonance Is Results Expecled When <br />Componenls Needod Malntenance Is Performed <br />Gennral Trash anA Trash or debris tha� is plugging more Banier cleared to design Ilow <br />Dr.bris than 20°'0 of ihe npanings in �he barrier. capacity. <br />Metal Damaged/ Bars are bonl out of shape moie than 3 Bars �n placo wilh no bends more <br />Missing inches. than 3/4 inch. <br />f3ars. <br />Bars ere missing n• ontire barrier Bars In place according to desic�n. <br />missing. <br />Pars are loose and rust is causing 50% Oarrier replaced or repaired to <br />dotorioratlon t� any paA of barrinr. design standards. <br />InIeVOullet Oebris barrior missing or nnt attached lo Barnar firmly atlached lo pipe <br />Pipe pipc <br />------ - � ----- �--- ---- — — <br />Auuust 2001 Volunir, V- Runoll Treatrnunt QMPs 4-37 <br />�3) <br />