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CASE # <br /> <br />CONSIDER STORM SEWER IMPROVEMENTS AT 168TFI AND TH 47 <br /> By: Leonard Linton, Civil Engineer II <br /> <br />Background: <br /> <br />Staff received a call fi'om a resident after the recent heavy rains regarding the level of <br />water in the adjacent pond. Staff visited the site and found that the water level in the' <br />pond was elevated. The site is north of 168th Avenue and west of TH 47. There is a <br />drainage route out of the pond, it includes the ditches along 168th Avenue, a culvert under <br />TYI 47 and ponds, swales and a pipe across the Rum River Hills Golf Course. The pipe <br />m~der 168tI' Avenue was not draining so the water was pumped over 168th. The system <br />downstream across the golf course was flowing; however it drained slowly. The water <br />flows into the Rum River on the east side of the golf course: The size of the pipe was <br />checked after the water level was lowered. The pipe may be too small for the area <br />draining to it. <br /> <br />A drainage study should be performed to verify the size of pipe required for this area. <br />Thc analysis can be performed by city staff. The pipe is on the golf course; however, <br />water from the city storm sewer system passes through it so participation by the city is <br />wan-anted. If replacement of the pipe is justified it must be coordinated with the off- <br />season of the golf course. The optimal time for replacement of the pipe may be after the <br />ground fi-eezes to prevent damage to the turf surface. <br /> <br />Recommendation: <br /> <br />Sta~'f recommends performing the drainage study to analyze this area and provide a <br />~'e~zommendation for improving the performance oft he drainage system. An agreement <br />wou Id be drafted with the golf course to divide-the costs of the improvements and <br />provide access to the site to perform the work. The project would be brought back to the <br />(iity Council for authorization of the solicitation of bids and construction of the i~ <br />improvements. <br /> <br />Action: <br /> <br />Motion to recommend city council authorize the drainage study for the area around 168th <br />~md TH 47. <br /> <br />Reviewed By: <br />Assistant Director of Public Works/Principal City Engineer <br /> <br /> <br />