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Page 1 of 5 Item #8 CITY COUNCIL AGENDA REPORT January 16, 2024 Public Works - Engineering Division TITLE: APPROVE PLANS AND SPECIFICATIONS, REVIEW BIDS, AND AWARD A CONSTRUCTION CONTRACT TO GOLDEN STATE CONSTRUCTION & UTILITY, INC. IN THE AMOUNT OF $1,644,000 FOR THE BERNAL AVENUE 18-INCH WATER MAIN (F-4 LINE) & TURNOUT NO. 1 IMPROVEMENTS PROJECT, CIP NO. 24172 SUMMARY The Bernal Avenue 18-Inch Water Main (F-4 Line) & Turnout No. 1 Improvements Project, CIP No. 24172, is the first of three capital improvement projects required to maintain a balanced water system pressure in response to limited availability of water from City-owned wells caused by the presence of PFAS in the aquifer, to meet future demands, and to improve the reliability of the system. The project will install approximately 1,600 linear feet of 18-inch water main on Bernal Avenue and replace the piping and specialty equipment at Turnout No. 1. The project was designed, reviewed and approved by staff and competitively bid. Six bids were received on December 11, 2023, and staff recommends awarding the project to the lowest responsible bidder, Golden State Construction & Utility of San Francisco, CA, in the amount of $1,644,000 for the Bernal Avenue 18-Inch Water Main (F-4 Line) & Turnout No. 1 Improvements Project, CIP No. 24172. RECOMMENDATION Staff recommends the City Council: 1. Approve plans and specifications, review bids, and award a construction contract to Golden State Construction & Utility, Inc. in the amount of $1,644,000 for the Bernal Avenue 18-Inch Water Main (F-4 Line) & Turnout No. 1 Improvements Project, CIP No. 24172. 2. Authorize the City Manager to enter into the project contract. 3. Authorize an increase of $100,000 to the existing $300,000 Purchase Order 2024001 with Core and Main LP to purchase the City-supplied materials for Turnout No. 1. 4. Allocate $2,072,420 from the Water Operating and Maintenance Fund 420 reserve balance to the Bernal Avenue 18-inch Water Main (F-4 Line) & Turnout No. 1 Improvements Project, CIP No. 24172. 5. Authorize the Director of Public Works to approve and execute contract change order(s) for a contingency amount of $247,000 (approximately 15 percent of the contract) for unforeseen yet necessary related work. BACKGROUND The City is a water retailer that operates and maintains a water distribution system to deliver water to residences and businesses for domestic and irrigation uses within Pleasanton. Alameda County's Zone 7 Water Agency is the Tri-Valley’s water wholesaler that procures water from the state and regional wells, treats the water, and then sells the water to the City and other Tri-Valley water retailers for distribution. The City is a unique retailer as, in addition to purchasing water from Zone 7, it also has an annual groundwater pumping quota of 3,500 Page 175 of 201