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. APPENDIX A h1AIN7ENANCL•;STANDA:DS FOF PRIVATC•LY MAIM'AINFD DRAINAGE FACILITIFS <br /> NO. 5-CA7CH BASINS <br /> -- Matntenance Deleet Conditlons When Maintenance fs Needed Aesults Expetted Wben <br /> ( Compcaent Malnfenance(s perfomfed <br /> General Tta:��8 Qebns Trazli or debns of more than 1/2 cubic foot which is No Trash or de6ris located <br /> �InGudes Sediment) located immediateiy in hont ot the catch 6asin immedialely in iront of catch <br /> openin�or is blocking capadty of the basin by Dasin opening. <br /> more fhan 10� <br /> Trash or debris(in�he basin)�hat exceed• 1/3 ih�e Plo tresh or debris in tha catth <br /> depth from the bonom of basin to invee tha lowes ��sin. <br /> pipe into or out of the basin. <br /> Trash or debris in any inlet or outlet pipe blocking Inlet and ouUet pipes iree of <br /> more i1�an 1/3 c�its height trash or debris. <br /> Dead animals or vegetation ihat couid generafe No dead anim�ls or vegetation <br /> odas that could cause complainLs or dangerous present vriihin the catcb bazin. <br /> gases(e.g.,methane). <br /> Deposi5 n!�arbage exceeding 1 cubic lool in No condition;,resenf whfch <br /> voUune would a;,ract or�upport iho <br /> breediny ot Insects or rudenLs. <br /> Structure Damage to Comer cl fmme extends more than 3/q incb rv.:si Frame is even with curb. <br /> Frame and/or Top Slab curb face inio the sireet(II applicable?. <br /> Top slab has holc;!W ger than 2 square inches or Top slab is Iree ol F.�oles and <br /> cracks widc-r�ken 1/4 incb(inteM is to make suro cracks. <br /> all m.,ain�d is mm�ing into basin). <br /> � � <br /> Frame no�sittir�!fush on top slab,i.e.,separatlon Frame is sittin�fb_eh cn:op <br /> of more th�n 3/4 inch of ihe hame Irom thr,top siab. <br /> slah. <br /> Cracks in Oasin Walls/ Cracks wider Lhan 1/2 inch and longer than 3 leet, Basin replaced or reFaired to <br /> Boltom any evidaic=of soil particles entering catcb Lasin desiqn stzndards. <br /> thrc�gh cracke,or maintenance person j�dges that <br /> sWctur<is unsound. <br /> Cracks wider ihan 7P2 inch and iooger ihan 1 foot No crack,more than 1/4 inch <br /> a�Ne�oiM ol any inleV ou�lel pipe or any evidenco wide at Ihe�oiM o!inleVoWet <br /> ot soil particles entering catch basin ihrough r�pe. <br /> tracks. <br /> Sed;menV Basin has senlecl more than 1 inch or has rotated Aasin replaced or repaired to <br /> `"'zhynmenl more than 2 inches out ol alignmenl. design standards. , <br /> 1 <br /> 1996 Surface Waler Desig�blanual ����98 <br /> A-5 <br /> Z� <br />