Title
Adopt a Resolution to Approve and Authorize the City Manager to Execute Amendment 4 to a Consulting Services Agreement with Terraphase Engineering, Inc. For Construction Engineering and Construction Management Services for a Treatment Wetland at the City of San Leandro Water Pollution Control Plant, Increasing the Not-to-Exceed Amount by $403,601 for a Total Not to Exceed Amount of $1,581,464
Staffreport
COUNCIL PRIORITY
? Infrastructure
SUMMARY
In October 2019, Terraphase Engineering was selected through a competitive process as design consultant for the Treatment Wetland Project at the Water Pollution Control Plant (WPCP). In addition to design services, Terraphase offers inspection and construction management services. Staff requests an amendment to the Terraphase agreement to include construction management services and inspection services for Phase 1 of the Treatment Wetland project and additional scope to support the bid process for Phase 2 of the project.
RECOMMENDATIONS
Staff recommend City Council adopt a Resolution to approve and authorize the City Manager to execute an amendment to the Consulting Services Agreement (CSA) with Terraphase Engineering, Inc. for construction management and inspection services for Treatment Wetland project for an additional $403,601 for a new total not to exceed amount of $1,581,464.
BACKGROUND
Since 2017, the City has been working to convert a disused treatment basin at the WPCP into a Treatment Wetland. The purpose of the Treatment Wetland project is to treat a portion of the WPCP discharge water to remove nitrogen and other contaminates. In addition, the project will include enhancement of wetland habitat along the San Francisco Bay Trail and serve as a demonstration of cost-effective nature-based solutions for contaminant removal.
The WPCP Treatment Wetland Project will utilize an existing, out of service treatment pond, to be completed in two phases. The bottom level of the pond need...
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