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File #: 19-32    Name:
Type: Staff Report Status: Agenda Ready - Administrative Business
File created: 1/11/2019 In control: Special City Council
On agenda: 4/24/2019 Final action: 4/24/2019
Title: Report regarding a resolution awarding a construction contract to Flatiron West, Inc. of Benicia, California for the WQCP Sodium Hypochlorite Storage Tank Replacement Project (Project No. ss1601) in an amount not to exceed $1,682,000 and authorizing a total construction budget of $2,020,000 and approve Budget Amendment Number 19.050. (Brian Schumacker, Plant Superintendent and Peter Vorametsanti, Swinerton)
Attachments: 1. Attachment 1 - Vicinity Map WQCP Hypo Tanks ss1601, 2. Item 2 - Sodium Hypo Rehabilitation
Related files: 19-33
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Title
Report regarding a resolution awarding a construction contract to Flatiron West, Inc. of Benicia, California for the WQCP Sodium Hypochlorite Storage Tank Replacement Project (Project No. ss1601) in an amount not to exceed $1,682,000 and authorizing a total construction budget of $2,020,000 and approve Budget Amendment Number 19.050. (Brian Schumacker, Plant Superintendent and Peter Vorametsanti, Swinerton)

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RECOMMENDATION
Recommendation
Staff recommends that the City Council adopt a resolution awarding a construction contract to Flatiron West, Inc. of Benicia, California for the WQCP Sodium Hypochlorite Storage Tank Replacement Project (Project No. ss1601) in an amount not to exceed $1,682,000 and authorizing a total construction budget of $2,020,000. In addition, staff recommends that the City Council approve Budget Amendment Number 19.050, amending the Fiscal Year 2018-19 Capital Improvement Program budget by appropriating $1,320,000 in Sewer Enterprise funds into the project budget to cover the planned expenditure.

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BACKGROUND/DISCUSSION
The City of South San Francisco operates the South San Francisco/San Bruno Water Quality Control Plant (WQCP or Plant), located at 195 Belle Air Road. This critical facility provides secondary wastewater treatment for the Cities of South San Francisco and San Bruno, Town of Colma, and portions of City of Daly City, a population of over 110,000. Treatment processes call for dosing the wastewater with 12.5% sodium hypochlorite disinfectant solution at various points in the treatment train. The existing system, consisting of three 8,300 gallon vertical fiberglass-reinforced plastic sodium hypochlorite storage tanks in a spill containment enclosure, metering pumps, and a pump room control building, was constructed in 1996 and these components have reached the end of their operational life. In additional, due to the corrosive properties of sodium hypochlorite, OSHA code requirements require upgrading the ...

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