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pppENDIX A MAIN7Y7VANCE STANDARDS FOR PRIVA'CELY MAIM'AINED DRAINAGE FACD.CIIES <br /> NO. 7-ENERGY DI3SIPATERS <br /> Malntenancs Oefect Conditlons When Mafntenanea is Naaded ResulU E�p�eNd When <br /> (� Componants � Meintenenee is Pertormed. <br /> \ <br /> Exlemal: <br /> fiock Pad Misstng or Movod Only one layer of rak exlsts aWve na8ve wil In Repaca rod�s to design <br /> qock area five square leet or larger,or arry e�osure ol stvWartls. <br /> native wil. � <br /> Dispersion Trench Pipe Plugged wfth Accumulated sediment Ihat exceeds 209L of tlie Pipe deaneNflushed so thet il <br /> Sedimant design deptti. ��g�B^• . <br /> Not Dlscharging Visual evidence of water dlscharging at Trendi must be redesigned or <br /> Water Properly cwicentreted pdnb a�ong trench(nom�al condtion rebuiR to sFarMards. <br /> . is a'sheet flovl'of water abng uench).InteM b ro <br /> prevent erosion darnaga. <br /> Perto:atlons Over tt2 0l pertoralbns in pipe are pugged with Clean a replace perlorated pipa. <br /> • p�ugged. debrfs and sedlmenl. <br /> � Water Flows Out Maintenance person observes water ibwkig out Faaliry must be rebullt or <br /> Top ot'Distrihuro�' duAng any stortn less Ihen lhe design stortn or ib redesfgned to standertls. <br /> Catch Basfn. causing or appears Iikely to cause dama9a. <br /> Racei-,+ng Area Water in recafving area is causing or has potentiai No danger ot landslides. <br /> OverSaturated of mu.ing{andsiide qvblems. <br /> Intamal: . � <br /> Manhold ChamEer Wom or Darnaged Struclure dissipating flow deterbrates to t/2 or Replaca sWclure to design <br /> Post.Bames,Slde originat size or any eoncantratad wom spot sUvdards. <br /> ol Chamber exceeding one square foot whkh woWd maka <br /> struclure unsound. <br /> � OU�er DefeMs See'Catch Basins'Slaridard No.5 See'Catch Oazins"Standard No. <br /> 5 <br /> � <br /> � <br /> 1998 Sudace Watar Duign Manu�l 9���98 <br /> A•7 <br />