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City of Mounds View Staff Report <br /> Highway 10 Pedestrian Bridge <br /> January 27, 1997 <br /> III Page 4 <br /> 3. Resolution of Drainage Issues: On September 3, 1996, the City Council discussed <br /> several options for dealing with the detention pond with City Engineer Rocky Keehn. The <br /> options are listed below: <br /> 1 - Sump manhole; no surge manhole $20,000 <br /> 2 - Sump manhole; with surge manhole $27,000 <br /> 3 - New pipes; no surge manhole $88,500 <br /> 4 - New pipes; with surge manhole $95,500 <br /> 5 - Bury storage including retention storage $165,000 <br /> 6 - Bury storage including no retention storage for sumps $233,000 <br /> 7 - New storm sewer $139,000 <br /> 8 - Do nothing $40,000 <br /> City Council directed that Option#2 be pursued and authorized a budget of$30,000 for <br /> construction plus $3,900 for design. This option would leave the pond in place but <br /> replace the material in the bottom of the pond so the water percolates into the ground <br /> more quickly. It also involves installing a sump manhole and surge manhole. It was <br /> expected that the cost would be paid from the Surface Water fund. To date, <br /> approximately$7,600 have been spent on engineering and development of alternatives, <br /> also from the Surface Water fund. This amount was not part of the $33,900 authorized by <br /> • City Council on September 3. <br /> The City Engineer has indicated that they have about 1-2 days worth of work to complete <br /> the redesign of the detention pond to incorporate Option#2. <br /> 4. Construction Bidding and Award, Completion of Bridge. <br /> * * * * * <br /> To date, the City has expended approximately $42,000 in engineering design and legal costs. It is <br /> unknown what the cost of the easement on the north side of the highway will be until the <br /> commissioners handling the eminent domain proceedings determine a value. The final cost on <br /> redesigning the detention pond so it remains in place but accommodates the bridge will be <br /> available once the final design is completed. <br /> potutibLsi)L.u. , <br /> Pamela Sheldon, Community Development Director <br /> cc: Mary Saarion, Parks&Recreation Director <br /> Mike Ulrich, Public Works Director <br /> Russ Nordstrom, 2536 W. County Road H2, Mounds View MN 55112 <br /> 0 C:\OFFICE\WPWIN\WPDOCS\SPECPROJ\HWYBRIDG\CCMEMO.2 <br />