TO:
Honorable Mayor and Members of the City Council
THROUGH:
Bruce Moe, City Manager
FROM:
Stephanie Katsouleas, Public Works Director
Shawn Igoe, Utilities Division Manager
SUBJECT:Title
Consider Adopting a Resolution Awarding a General Services Agreement to Reliable Water Solutions, LLC for $311,260 for Flushing and Disinfection Services of 110 Miles of the City's Potable Water System (Public Works Director Katsouleas).
ADOPT RESOLUTION NO. 19-0114 APPROVING AN AGREEMENT
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Recommended Action
RECOMMENDATION:
Staff recommends that the City Council adopt Resolution No. 19-0114 awarding General Service Agreement with Reliable Water Solutions, LLC for $311,260 for flushing and disinfection of 110 miles of the City's potable water system.
FISCAL IMPLICATIONS:
Sufficient funds are available in the Fiscal Year 2019-2020 Public Works budget for Phase 1 for $155,630. The remaining contract balance of $155,630 will be included in the Fiscal Year 2020-2021 budget for Phase 2.
BACKGROUND:
In order to maintain residual chlorine disinfection in the water system, minimize discoloration, and implement measures to ensure that we meet California Regional Water Quality Control Board drinking water standards, the City of Manhattan Beach's water distribution system is comprehensively flushed on a regular basis by a technique known as unidirectional flushing (UDF). UDF uses a combination system - system pressure and opening of fire hydrants to force potable water through pipe segments at high velocity. This increased velocity scours and cleans the pipe walls, flushes sediment from the mainline pipes and removes any stagnant water from the water distribution system. The flushing continues until the water within the pipe segment is clear, which can take 30 minutes or more to achieve. Notably, each pipe segment that undergoes UDF is isolated during the procedure by closing mainline valves.
Historically, water relea...
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