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APPENDIX A MAINTENANCE SC.INDARDS FOR PRIVATELY MAIM'AMED DRAINAGE FA((�..iTlES <br /> NO.4-CONTROL STRUCTUREIFLOW RESTRICTOR <br /> Malnt¢nanee Defect CondiUon When Matntenanro Is Noeded Results Espaetad Wh�n <br /> � Component Maintenanceis Paiortnad , <br /> General Trasn and Debris Distance behveen deDris buld-up and bottom of All trash and debris ramwed. <br /> (InGudes Sediment) oriFlce plate is less then 1-tf2leet <br /> Stnicturel Damago Slructure is not securey attaehed to mardroie wall Strucwie securety anache�ro <br /> and outlet pipe shudure should supportat least wall and outlet pipe. <br /> t,0001bs of up a down pressure. <br /> StnrcWre Is not in uprtght paslN�n(albw up ro SLucture in cortoct posidm. <br /> 10%from plumb). <br /> Comections to outlet pipe aze not watertfght and Connactlons to oWet pips aro <br /> show signs ot rust waterBgM;shucture repaked or <br /> replsced arM vroikv as <br /> dastgned <br /> My holes-olher than desi�ed holes-in the Structure has no holes olher <br /> strucNre, than designed hdes. <br /> Cieanout Gale Damaged or Missing Cleanout gate is not watertight or ia missing. Oate is watertlght ard vrorks ae <br /> � ' designed. <br /> Gate eannot be moved up and down by one Gate moves up and dorm easily <br /> matntenance person. and is watertlqht <br /> Chain leadtng to gate is missing or damaged. Ct�ain is in plece and woAcs as <br /> designad. <br /> Gate is nuted over 50%of its surlaca area. date is repaired or replaced to <br /> � meet destgn star�dartls.. <br /> / Orifice Plate Damaged a Missfng Conttol device is not woridng propedy due to Plate Is In piace and workv as <br /> ; missing,out ot place,a bant odfice platu. dasigned. <br /> ObstrucUons Any Vash,debris,se�5ment,or vegelatbn Plate is free of all obstructions <br /> 6bcking tha pinle. end works as designed. <br /> Ovemow Pipe ObstrucNons Any trash or debris blockfrg(ur having tha P�pe Is hee of all obsUuctlons <br /> potantlal ol blodcing)the overflow pipe. arxl works as designed. <br /> Manhola See'Cbsed Detention Systems'Standards No.3 See'Closed Detendon Systems' <br /> ' Standards No.3 <br /> Catch Basln See'Catch Basins'Standards No.5 Sae'Catch Basins'StandaMs <br /> No.5 <br /> 9/]/9g 1998 Sudace�Vatcr Daign Manual <br /> A-4 <br />