Title
Recommendation to Accept the Work of Power Engineering Construction for the Alameda South Shore Lagoon 5 Dredging Project and Lagoon System Outfall Maintenance Project, P.W. No. 07-24-21.
The project is included in the 2024 Addendum to the 2014 California Environmental Quality Act (CEQA) Initial Study (IS) and Mitigated Negative Declaration (MND) for the City of Alameda Dredged Material Management Program. (Public Works)
Body
To: Honorable Mayor and Members of the City Council
From: Jennifer Ott, City Manager
EXECUTIVE SUMMARY
On October 1, 2024, City Council awarded a contract to Power Engineering Construction in the amount of $867,713, which included a 10% contingency, for the removal of accumulated sediment from the South Shore lagoon system, specifically Lagoon 5, repairs and maintenance of the Lagoon System Outfall, and installation of a steel safety grate. The improvements executed under the subject contract are complete in accordance with project plans and specifications. Staff recommends City Council acceptance of the work.
BACKGROUND
On October 1, 2024, City Council awarded a contract to Power Engineering Construction in the amount of $867,713, which included a 10% contingency, for the South Shore Lagoon 5 Dredging and Lagoon System Outfall Maintenance Projects. The Lagoon 5 Dredging portion of the project consisted of removing the accumulated sediment from Lagoon 5 of the South Shore lagoon system. The Lagoon System Outfall Maintenance portion of the project consisted of removing accumulated sediment from the concrete culvert and channel outfall area, removing rip-rap in the surrounding area, removing and patching unsound concrete, and erecting a new steel safety grate on the culvert. This allows improved functioning of the lagoons for recreation for the residents of the South Shore and Gold Coast neighborhoods, and improved storm water retention and treatment for the city's storm drainage system during the rainy season.
The dredged ...
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