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hYPINDIX A MAINIENANCE STANDARDS FOR PR[VATEI.Y MAINCNNED DRAINAGE FAC1llT1ES <br /> NO.5-CATCH BASINS(CON'TINUED) <br /> Mainienanco Delect Conaitions When Mafntenance Is Needed Resulfs Expected Wben <br /> icompouent Maintenance is peAormed �, <br /> Fire Na?�id ?rese�ce ol chemicals such as natural gas,oil and No flammable chemicats <br /> ga��iine. PreseM. <br /> VegeU"on Veget2tion 9rowing across anA blocking more ihan No vegetation blocidng opening <br /> � 70';6 of Ihe bazin opening. to basin. <br /> Vegetalion gsowing in inleVoutle[pipe joinis ihat is No ve9etaiion or root grovM <br /> more L'inn six inches tall and less than sis inches p�esent. <br /> apaA. <br /> PNS�iion Nonllamma6le chemicals ol more iha�S2 cubic foot No pollufion present o�her Ihan <br /> ptr threo leet of basin leng�h. sudace film. <br /> C2t�h'.,,;in Cover Cover Nni in Ylace� Cover is missing or uniy partiaity in place.Any open Catch basin cover is closed <br /> catch basin!tquires maintenance. . <br /> �, Locking Mechanism �".echa;ium rannot be opened by on main�enance Mech�nism opens with proper <br /> Nol W nrking person wilh proper tools.Bolls inlo iramo have less tools. <br /> ihan 1Y2 inch of Nread. <br /> Ccver Diificult lo One maintenance person cannot remeve lid alter Cover can be removed by one <br /> Fiemovo applying 801bs.of lifl;intent is k�ep cover trom maintenance person. <br /> seaiing olt access to maintcnance. <br /> L�dder Ladder Run9s Ladder is unsala due to missing run9s,misalignment, Ladder meets design sUndards <br /> Unsafe rust,cracks.or sharp edges. and albws main;en,nce person <br /> sale accrss. <br /> A1e1al Grales Grale with opening wider tlian;id inch. Greta o[+:ning meets design <br /> (If Applicable) standards. <br /> � T:ash antl Debris Trash and deuns ihat is blocking more 11�an 2045 of Gra�e iree of trash znd debris. �r <br /> . grate euriace. <br /> Damaged or Grate missing or bro6en membcr(s)ot lhe grale. Grate is in place and meets <br /> Missing. dosign standards. <br /> Nu. 6 DEBRIS BARRIERS (E.G.,TRASH RACKS) <br /> l.iaininnance Delecl Conditian When Maintenance is Needed ResulU txpected Wh2n <br /> Components AS2ltrienanca is FeAormed. <br /> General Trash and Deh:is Trash or debris ihal is pl�•ggin�maio�h�n�0�.ol Barter clear Io receive capacily <br /> ttie openings in the bartier. Ilow. <br /> Melal Da.magedl Missing Bars aro 6ent out ol s!:ape more than 3 inches. Bars in place with no berrJs more <br /> dars. - ihan 3/4 inch. <br /> P�ic are missing^-r ehtire barrier miss�ng, bars in place according�o <br /> de:ign. <br /> Bars ara loose and mst is c?u�iny 50°6 deterioretion Repair or replace barrier to <br /> � W any part of 6ar�^_r. de<ign startdards. <br /> � <br /> 9/1/98 1998 Surface Water Design Maaual <br /> A-6 /�� <br /> � <br /> � <br />