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HomeMy WebLinkAbout06. (Handout) Supplemental Information_Summary of Amendment Changes Item 6. (Supplemental Information) AMENDMENT to the Position Paper regarding the award of a construction contract and authorize execution of service agreement and amendments, et al., for the Electric Blower Improvements, Treatment Plant Piping Renovations, Phase 10, District Projects 100015 and 7369, respectively Track-change summary of affected Position Paper section revisions Subject: Award a construction contract in the amount of$9,594,300 to Auburn Constructors, LLC, the lowest responsive and responsible bidder for the Electric Blower Improvements, DP 100015 and Treatment Plant Piping Renovations, Phase 10, DP 7369; find these projects are exempt from the California Environmental Quality Act; and authorize the General Manager to execute the contract, subject to contractor compliance with submittal requirements, and: • Amend two existing agreements with 1) HDR, Inc. in the amount of$450,000, increasing the cost ceiling to $3,920,000-$5,776,000, and 2) Lee & Ro, Inc. in the amount of $300,000, increasing the cost ceiling to $800,000; and • Execute a professional engineering services agreement in an amount not to exceed $800,000 with Carollo Engineers, Inc. to provide construction management services Financial Impacts: New paragraph added at the end of the section as follows: HDR was hired under a solicitation for services under the Steam and Aeration Blower Systems Renovations, DP 7349, which includes the scope for the Blower Project and the Aeration Basins Diffuser Replacement and Seismic Upgrades (Diffuser/Seismic). At the May 6, 2021 Board meeting, the HDR Agreement was increased to a cost ceiling of$5,326,000 for the Diffuser/Seismic Project. Staff recommended a phased approach with the work scope performed by HDR to better meet the needs of Central San's replacement program. The additional $450,000 for ESDC services for the Blower Project will increase the cost ceiling to $5,776,000. Committee Recommendation: The Engineering and Operations Committee will reviewreviewed this matter at its July 13, 2021 meeting and recommended Board approval. Staff Gan provide an update of the Committee's r0Gernmendatmen at the Iulii 15 Board mooting Page 1 of 2 Recommended Board Action: Staff recommends the following: 1. Find the projects are exempt from CEQA; 2. Award a construction contract in the amount of$9,594,300 to Auburn Constructors, LLC, the lowest responsive and responsible bidder for the Electric Blower Improvements, District Project 100015 and Treatment Plant Piping Renovations, Phase 10, District Project 7369; 3. Authorize the General Manager to amend an existing professional services agreement with HDR, Inc. in the amount of$450,000, increasing the cost ceiling to $30,099$5,776,000; 4. Authorize the General Manager to amend an existing professional services agreement with Lee & Ro, Inc. in the amount of$300,000, increasing the cost ceiling to $800,000; 5. Authorize the General Manager to execute a professional engineering services agreement in an amount not to exceed $800,000 with Carollo Engineers, Inc. to provide construction management services; and 6. Authorize the General Manager to execute the Contract Documents subject to submittal requirements and include up to a 15-percent contingency. Page 2 of 2