Title
Recommendation to Award a Contract in the Amount of $5,749,133, Including Contingency, to Mountain Cascade Inc. for Construction of Group 4 Sewer Pump Station Renovations for Reliability and Safety Improvements Project (91008602), No. P.W.08-17-37. (Public Works 602)
Body
To: Honorable Mayor and Members of the City Council
EXECUTIVE SUMMARY
Public Works publicly bid the construction of the Group 4 Sewer Pump Station Renovations for Reliability and Safety Improvements Project (Project), as contained in the City of Alameda Sewer Master Plan. The Project entails improvements at seven pump stations at locations prioritized based on condition assessment, consequence of sewer system overflows (SSOs), and reliability and safety. Mountain Cascade, Inc. is the low cost bid of three total bids submitted. Staff recommends awarding the contract to Mountain Cascade, Inc. for a total amount of $5,749,133.
BACKGROUND
The City of Alameda (City) has separate sanitary sewer and storm water drainage systems. Infiltration and inflow is storm water that should enter the storm drainage system, but instead enters the sewer system through cracks and other defects in the sewer pipes. Storm water in the sewer system can cause excessive flows during wet weather events that exceed both local conveyance and regional treatment capacity.
In 2009, the United States Environmental Protection Agency (EPA) filed a complaint against the East Bay Municipal Utility District (EBMUD), the owner and operator of the regional wastewater treatment facilities. The objective of the lawsuit was to create a federal court order to force EBMUD to eliminate the use of three wet weather facilities (WWFs), which were constructed in the 1980's. The WWFs were built to handle excessive sanitary flows during the wet season by providing partial treatment and chlorination of peak flows prior to discharge to the San Francisco Bay. The EBMUD lawsuit was followed by a separate suit by the EPA against...
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