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Table 3-1.4, Drainage Facility Maintenance Requirements, Continued <br />General JAI] trash and debris removed <br />Structure securely attached to wall and outlet pipe <br />Structure in upright position <br />Gate JGatc and c mnections to outlet pipe are watertight, ;ate works as designed <br />has only design holes <br />moves up and down easily <br />i� in place and works as designed <br />on gate does not affect gate's function <br />is free of obstructions <br />Orifices I MI orifices are clear of sediment and/or debris <br />Overflow Pipe IPipc is free of obstructions and works as designed <br />barrier is free of trash and debris <br />are in place according to the design <br />Bars arc tight and not deteriorated with rust <br />VII. Detention Vaults <br />and Tanks <br />Storage Area Vents free of debris and sediment <br />Sediment and debris removed when accumulated sediment is greater than or equal to <br />10% of the depth or diameter of the storage area for 1/2 or more of the length of the <br />storaee area <br />joints between vault/tank/pipe sections sealed and water -tight <br />3-1-12 <br />