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PUBLIC WORKS - MAINTENANCE DIVISION <br /> STORMWATER REHABILITATION - CIP <br /> STATUS LIST <br /> July 1995 <br /> — <br /> The emphasis of the capital stormwater system rehabilitation program has changed from <br /> the predominance of ditch enclosure projects to a broader effort to enhance the perfor- <br /> mance of the existing developed drainage system and to provide improved operation and <br /> maintenance of existing infrastructure. As reflected in this list, priority is now given to <br /> the following efforts: identifying and correcting defects and deterioration in the existing <br /> piped system; alleviating localized street flooding caused by inadequate or incomplete <br /> drainage facilities; acquiring necessary maintenance access; eliminating direct connection <br /> of stormwater collection facilities to the sanitary sewer system; and systematically connect- <br /> ing bubbler systems to the piped storm system. Although we are focusing less on the <br /> enclosure of open drainage, there are still situations where this may be the preferred <br /> solution to a deficient open drainage facility. For that reason, we are still recommending <br /> pipe enclosure for several problem sites. <br /> Following is a list of rehabilitation projects focused on meeting the above mentioned <br /> objectives in order of relative priority and current status: <br /> 1. Location: Roosevelt PWM yard or other as determined through project develop- <br /> ment. <br /> Nature of Project: Vactor Waste Disposal Facility (earmark $100,000.00) <br /> The design and construction of a pilot facility would be based on data and specifi- <br /> cations provided by Maintenance Planning. Such a facility would consist of an <br /> adequate, low -tech dumping station which incorporates an elevated, ramped <br /> dumping /drainage bed and liquids detention structure with an adjoining space for <br /> a 30 to 40 yd. drop box. On such a facility the vactor waste would be dumped, <br /> drained and pushed or loaded into the drop box where it would then be in a suffi- <br /> ciently dewatered state for acceptance at the Short Mtn. or other solid waste <br /> landfill site. The vactor liquids would be pre- treated by means of a sedimentation <br /> sump and then piped to the wastewater system. <br /> Status: Feasibility study for a regional facility at either the MWMC drying beds on <br /> Awbrey Lane or near the Lane Co. solid waste CRS in Glenwood is complete and <br /> currently being reviewed by Deputy Public Works Director. <br /> ciplist.upd 7/95 bne 1 <br />