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iirof Report Number 12-253 Agenda Section VI-9 Council Meeting Date October 23,2012 the city that works for you REQUEST FOR COUNCIL CONSIDERATION ITEM DESCRIPTION: CONSIDERATION OF CHANGE ORDER 1 AND PARTIAL PAYMENT 2 FOR CITY PROJECT 12-9, FREEDOM PARK PHASE I FLOOD MITIGATION IMPROVEMENTS. DEPARTMENT HEAD'S APPROVAL: (vetiJ CITY MANAGER'S APPROVAL: No comments to supplement this report Comments attached Recommendation: To approve contract ge Order 1 and Partial Payment 2 for City Project 12-9, Freedom Park Phase I Flood Mitigation Improvements to Midwest Asphalt Corporation in the amount of$120,900.52. Legislative History: August 23, 2011 City Council authorized staff to enter into a contract with WSB & Associates for engineering services for the preparation of our Surface Water Management Plan(SWMP) and a July 2011 Flood Report. April 24,2012 The Flood Report was accepted by City Council Meeting and the City Council authorized City Project 12-9,Phase 1 Freedom Park Flood Mitigation Improvements. July 6, 2012 Council approved plans and specifications and authorized advertisement for bids. August 7,2012 Bids opened by staff. August 15, 2012 City Council awarded contract to Midwest Asphalt Corporation. Financial Impact: The attached Change Order 1 addresses extra costs in the amount of$6,043.50 for additional work including the removal of a large willow tree near Pike Lake; debris/stumps at the New Brighton Exchange. This work was not anticipated at the time of the bid and would need to be paid for by change order. Please see attached payment breakdown for details. Explanation: City Project 12-9 consisted of expansion of the pond in Freedom Park into areas south and west of the existing ball field. This will increase flood storage available for high intensity rainfall events and reduce the probability of flooding at downstream locations. In addition, the first phase included construction of additional catch basins along Pike Lake Drive at Fredeen Court and 12th Street. These catch basins will provide additional capacity to allow surface water to enter storm sewer under these intersections, which can reduce the potential for flooding at these intersections. To allow for the additional capacity collected by the new catch basins,the 30-inch corrugated metal storm sewer pipe discharging to Pike Lake (from Pike Lake Drive and 12th Street)was removed and replaced with a larger 54-inch concrete pipe. Costs and Funding: This project will be funded from the Stormwater Improvement Fund (Fund 421) and the New Brighton Exchange(NBE)TIF Districts. The provisions of the contract with Midwest Asphalt Corporation stipulate that the City makes a partial payment to the contractor at least once each month at regular intervals on the basis of the work performed during that preceding month. This partial payment shall not exceed 95 percent of the value of the certified estimate. Grant W ffels, Director of Public orks Attachments