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CITY OF EVERETT STORMWATttE MANAGEMENT MANUAL <br /> Control StructurelFlow Restrictor <br /> Data <br /> Drain�0e Maintenance Aetivitles end Conditlons <br /> Syabm 7hat Should E:ist <br /> Frequency Feature � � � � Froblem Conditlons to Check For <br /> M General Trash and Debris Material ezceeds 25 percent ot sump depth or 1 Cantrol siructure orifice is not blocked.All <br /> (Inciudes foot below orifice plate. trash and debris removed. <br /> Sediment) <br /> A Generel SUucturel Damage ShucNre is not securely atlached lo manhole Strudure securely atlached to wall and outlet <br /> weli. pipe. <br /> q Gene�a� Structural Damage Struclure is nol in upnght position(ailow up to Structure in correct position. <br /> 10 percent hom plumb). <br /> q General Structural Demage Connections to outlel pipe are nol watertighl and Cannedions to outlet pipe are water light; <br /> show siqns ai rust. strudure repaired ar replaced and works as <br /> designed. <br /> q General Structurel Damege Any holes-0Ifier than designed holes-in the Siructure has no holes other than designed <br /> SSfUGiUR. M1OIB6. <br /> q Cleanout Oamaged or Cleanout gate is not watertight or is missing. Gate is waleRight and works as desi9ned. <br /> Gate Missing <br /> A Cleenout Dama�ed or Gate cennol be moved up and down by one Gale moves up and down easily and is <br /> Gate Missing maintenence parson. watertight. <br /> q Cleanout Damaged or Chainlrod Ieading to gate is missing or Chain is in place and works as designed. <br /> Gale Missing demaged. <br /> q Cleanout Damaged or Gate is rusted over 50 parcent of ils surtace Gate is repaired or replaced to meet design <br /> Gate �dissing area. standards. <br /> A Onfice Demeged or Control device is nol working propeAy due to Plate is in piace and works as designed. <br /> Plate Missing missing,out of place,or bent orifice plate. <br /> M,S Onfice Obstrudions Any trash,debns,aediment,or vege[ation Plate is hee of all obstructions and works as <br /> Plate blodcing the plate. designed. <br /> M,5 OveAlow Obstructions Any Vash or debris blocking(or having the Pipe is 6ee o(all obstructions and works as <br /> p�� potentiel o(biocking)Ihe overflow pipe. designed. <br /> q Manhole Cover Not in Place Cover is missing or only partially in place.Any Manhole is closed. <br /> apen manhole requires mainlenance. � <br /> Appendices <br /> F-12 <br />