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i <br /> APPFNDllC A MAIN7ENANCE STANDARDS FOR PRIVATELY MAIKTAINED DRAINAGE FACILITIES <br /> NO.5-CATCH BASINS <br /> A7aintenanee Deleet ContlHions Whan Malntenanee is Naeded Rasults Espeeted When <br /> Component � Malntenance is peAormW <br /> � General Tresh 8 DebAs Trash w debris of more than tf2 cubic foot whieh is No Trash or�ebris bceted <br /> Qndudes Sediment) located Immadiatay tn front ol tMe catch basin ImmeCfatety in front ot ptch <br /> opening or Is blockin�capadty o(the bazin by basin opening. <br /> more than 10% <br /> T2sh or de6ds(in the hasin)Ihat eacceeds 1/3 Ihe No trash or debris in Ihe catc4 <br /> deplh Irom Ihe bottom ol basin to invert Iha bwest basin. <br /> pipe Into or out ot the basin. <br /> Trash or debris In arry inlet or ouGet pipe bbcldng Iniel arxi outlet pipes hea ol <br /> more Ihan 1/3 of Its hNght t2sh or debris. <br /> Doad animals or vegeb8on that coWd generate No Aead animals or vegatation <br /> ' odora Ihat could cause complai�b or dengarous � present within tha catch basin. <br /> gases(e.g.,mettiene). <br /> Deposibofgarbageexceeaingleubicfootin Noconditlon,xeeentwhieh <br /> volume would attracl or suppoA the <br /> breedirg of Irue�.-�a rodents. <br /> Shueture Damaga to Comer of irame exterds rtrora tlian 3l4 inch past Frama Is even with curb. <br /> Frame andlorTop Slab curb face Into the sirect(If appGcable). <br /> Top slab has hdes largnr Ihan 2 square inchas or Top slab is free ef Mlez anA <br /> craeks wider Ihan 1/?inch(intent is to maka sure cracks. <br /> all materid is nu�nitg Into basin). <br /> l <br /> Frarne not slUing fiush on top slab,f.e.,separation Framo is sitUng Nush on top <br /> of more Ihan 3/4 inch of Ihe frama from Ihe top slab. <br /> slab. <br /> Cracks In Oa�n Wallsl Cracks wider than 1!2 inch and bnger than 3 toet, Basf�reptaced or repalred to <br /> Botlom any evklance ol soil paNdes entoring catch basin design standards. <br /> througA crade=,or maintenance person�udges that <br /> shucNre Is unsound. <br /> Cracks wider than 1!2 Inch and longer than 1 foot No ttacks more Ihan.i/4 inch <br /> at the�olnt ol any InIeU outlet pipe or any eWdence wide et lhe Joint of Inletroutlet <br /> of soll paNdos entaring catch basin Ihrough pipo. <br /> cradcs. <br /> Sedimenb' Basin has settled more lhan 1 inch or has rolated Basln replaced or repaired to <br /> Misaligrvneot rtwre than 2 inches out of algnmenL design starxiards. . <br /> \ <br /> 1998 Sudaee Water Design blanual 9���98 <br /> AS <br />