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I I I Council Meeting Minutes July 9, 1996 Page 4 Council Business. continued The existing storm sewer system cannot handle drainage because of back up from high water in the Pike Lake channel where it discharges. The normal channel elevation is 18 inches above the bottom of the storm sewer which keeps it half full. The elevation of Pike Lake and the channel are maintained by a weir gate in the box culvert under Long Lake Rd. In 1968, the water elevation of Pike Lake and the channel was much lower. There are two options to restoring the system's capacity and eliminate flooding: moving the weir gate upstream of the storm sewer outlet or extending the storm sewer outlet to the downstream side of the weir. The normal water elevation on the downstream of the weir is the normal water elevation of Long Lake (18 inches lower than Pike Lake). This enables the system to drain empty and have greater capacity. Residents having lots along the channel strongly oppose moving the weir upstream as lowering the channel elevation will affect aesthetics and boat access to Pike Lake. Therefore, the option of extending the storm sewer outlet to the downstream side of the weir was pursued. The plan is to extend the storm sewer outlet along the north side of the channel to the Long Lake Rd. box culvert where a special concrete section, incorporating a new weir, is installed. The construction would take place in the channel easement and on two lots at 1300 Long Lk. Rd. and 1315 Kari Ln. The lot owners are in agreement. The County and City will split the costs. The $122,715 project includes engineering, right-of-way and tree replacement. The City share would be paid from the Storm Water Utility Fund. The County will prepare the plans and handle inspections. The City will be the contracting agent because the County's time requirements are longer and could put back the project to 1997. Staff proposes awarding of the bid on August 13. Samuelson asked where will the remainder of the City cost share come from. Proper said staff will present the bids to Council and determine the funding strategy. Larson asked if Rosewood Ct. and the retention pond removal created the problem. Proper said the area was previously lower than the road and drainage tlowed into the low point. Rosewood Ct. required raising the grade which pushed drainage back into the road. Motion by Williams, seconded by Gunderman, to APPROVE THE COOPERATIVE AGREEMENT NO. 96012 WITH RAMSEY COUNTY FOR RELOCATION OF THE PIKE LAKE CHANNEL STORM SEWER, AND APPROVE PLANS AND SPECIFICATIONS AND AUTHORIZE THE ADVERTISEMENT FOR BIDS FOR THE RELOCATION OF THE PIKE LAKE CHANNEL STORM SEWER. 5 Ayes - 0 Nayes, Motion Carried. Park and Recreation Director Maurie Anderson presented the Lawcon Grant for Family Service Center (FSC) N ature Walkway. Initially, the request was rejected, but additional funds became available and the grant was approved. At the time of the initial request, the Polari site parking lot and bridge were not in place and a portion of its cost would have been allocated to the City's 50% match. Bridge and parking lot costs can no longer be used because the grant prohibits matching expenditures prior to the award. Staff recommends a reduced request of $54,000 which requires a $27,000 City match. The reduction is similar to the original except the floating walkway is reduced 50 % and one observation station would be built. The City match consists of $11 ,000 in cash and $16,000 in-kind Ivolunteer services. The remainder from the Polari site construction could be used for the match amount. Council Business Relocation of Pike Lake Storm Sewer Report 96-147 FSC Nature Trail Report 96-148