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THE CITY OF 14 ~. ~o n .~. ' ~ u j'L~E~S~4NTONo CITY COUNCIL AGENDA REPORT June 17, 2008 Public Works Department TITLE: APPROVE PLANS AND SPECIFICATIONS, REVIEW BIDS, AND AWARD CONSTRUCTION CONTRACT TO GORDON N. BALL INC. IN THE AMOUNT OF $3,917,374, AND APPROVE CONSULTANT AGREEMENT IN THE AMOUNT OF $269,640 WITH SAC ENGINEERING, INC. TO PROVIDE CONSTRUCTION MANAGEMENT AND INSPECTION SUPPORT SERVICES, FOR THE BERNAL AVENUE BRIDGE AND STREET WIDENING FROM VINEYARD AVENUE TO DEL VALLE PARKWAY, CIP NOS. 995067 AND 005029 AND DEL VALLE PARKWAY/NEVADA STREET SEWER IMPROVEMENTS, CIP NO. 902028 SUMMARY The City has had a number of projects related to the expansion of the roadway network at Bernal Avenue and Vineyard Avenue. The recommended improvements include the construction of a second bridge on Bernal Avenue over the Arroyo Del Valle adjacent to the existing bridge, the widening of Bernal Ave., approaching the bridge to allow two lanes of vehicular traffic in each direction, construction of wetland and riparian mitigation areas and installation of a sanitary sewer line. This second bridge construction and roadway widening will reduce traffic congestion on Bernal Avenue in the vicinity of Vineyard Avenue. The creation of wetland and riparian habitat are required to offset the temporary and permanent construction impacts associated with the bridge's construction. Bids have been received and staff is recommending award of the construction contract to the lowest responsible bidder, Gordon N. Ball Inc., in the amount of $3,917,373.85. Because of the specialized nature of this project, staff is recommending approval of a consultant agreement with S&C Engineering, Inc. in the amount of $269,640 to perform oversight of the bridge's construction in the form of construction management and specialized inspection services. RECOMMENDATION 1. Approve the plans and specifications for the subject project. 2. Review the bids received and award the construction contract to the lowest responsible bidder Gordon N. Ball Inc. of Alamo, California, for a low bid amount of $3,917,373.85. 3. Approve the consultant agreement with S&C Engineering, Inc. in the amount of $269,640 to provide construction management and inspection support services. 4. Authorize the Director of Public Works to approve and execute contract change orders for a contingency amount not to exceed $587,676 (15% of the contract amount) for necessary related project work. 5. Authorize the City Manager to enter into the above-referenced construction contract and consultant agreement.