DATE: December 6, 2022
TO: Mayor and City Council
FROM: Director of Public Works
SUBJECT
Title
Adopt a Resolution Authorizing the City Manager to Amend the Professional Services Agreement with Brown and Caldwell to Increase the Contract Amount by $4,800,000 to a Total Not-to-Exceed Amount of $8,649,711 for Final Design Services for the Administration and Laboratory Building, and Primary Effluent Equalization Basin Relocation Projects, and Geotechnical Investigation Services for the Water Pollution Control Facility Improvements Phase II Project No. 07760
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RECOMMENDATION
Recommendation
That Council adopts a resolution (Attachment II) authorizing the City Manager to amend the Professional Services Agreement (PSA) with Brown and Caldwell to increase the contract amount by $4,800,000 to a total not-to-exceed amount of $8,649,711 for final design services for the Administration and Laboratory Building, and Primary Effluent Equalization Basin (EQ Basin) Relocation Projects, and geotechnical investigation services for the Water Pollution Control Facility (WPCF) Improvements Phase II Project, Project No. 07760.
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SUMMARY
The WPCF core infrastructure was originally constructed in 1952 and included tanks, pumps, large pipes, industrial buildings, and complex mechanical and electrical systems. The WPCF has undergone several upgrades as Hayward population and industry has grown and now treats an average flow of approximately eleven million gallons per day (MGD) and meets current regulatory requirements for discharge of treated effluent to the deep waters of the San Francisco Bay (Bay).
In May 2019, the Regional Water Quality Control Board (Water Board) announced upcoming regulatory requirements limiting discharge of nutrients (nitrogen) to the Bay. In June 2020 the City completed a comprehensive master plan update, the WPCF Phase II Facilities Plan (Facilities Plan), to identify improvements required for the WPCF...
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