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File Number: 25-302 the liner. Bidding for Phase 1 of the project is complete. Staff requests Council approval to award the construction contract in a separate agenda item. Because this is a long duration, complex project, additional resources are needed to properly inspect and manage the project and provide project engineering. In October 2019, Terraphase Engineering was selected through a competitive process to support the design phase of the project. Three additional amendments to the original contract included additional design tasks deemed necessary to complete design of the project. Like many design consultants, Terraphase offers construction management services. Because Terraphase designed the project, it is well suited to manage the project because of its understanding of the project’s specifications and ensuring the general contractor complies with them . Analysis This amendment will add $403,601 to the City’s agreement with Terraphase for a new total not-to-exceed amount of compensation of $1,581,464 . The agreement with Terraphase Engineering initiated on October 15, 2019, covered design and permit consulting for the Treatment Wetland project. The agreement was amended in September 2024 to include a pilot study of the soil mixing process. The additional scope of work includes construction management, project engineering and on-site inspection. In addition, it includes an additional task to provide engineering support during the bidding of Phase 2 of the project. Previous Actions October 15, 2018 - Reso. No. 2018-30; Resolution of the City of San Leandro City Council to Accept Grant Funds of $538,926 from the San Francisco Bay Restoration Authority for San Leandro's Treatment Wetland for Pollution Reduction, Habitat Enhancement, and Shoreline Resiliency Project (Project No. RA-007) October 17, 2019 - Reso. No. 2019-160; Resolution of the City of San Leandro City Council to Approve and Authorize the City Manager to Execute a Consulting Services Agreement with Terraphase Engineering, Inc., in the amount not to exceed $789,036 for Design and Permitting Services of a New Treatment Wetland at the Water Pollution Control Plant; Authorize the City Manager to Execute Contract Amendments Up to 20% (or $157,807) and an Appropriation of the Water Pollution Control Plant Enterprise Fund Balance in the Amount of $501,917 for Fiscal Year 2019-20 April 4, 2024 - Reso. No. 2024-029; Resolution to Adopt a Mitigated Negative Declaration (MND) for the San Leandro Water Pollution Control Plant Treatment Wetland and Shoreline Resilience Project in Accordance with the Requirements of the California Environmental Quality Act (CEQA) July 15, 2024 - Reso. No. 2024-089; Resolution to Authorize the City Manager to Accept a Grant for $3,734,489 from the San Francisco Bay Restoration Authority for San Leandro’s Treatment Wetland for Pollution Reduction, Habitat Enhancement, and Shoreline Resiliency. July 15, 2024 - Reso. No. 2024-091; Resolution to Authorize the City Manager to Accept a Grant for $2,975,303 from the United States Environmental Protection Agency for Pollution Reduction, Habitat Enhancement, and Shoreline Resiliency Page 2 City of San Leandro Printed on 9/4/2025