HomeMy WebLinkAbout01. Presentation 06/03/19
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MECHANICAL AND CONCRETE
RENOVATIONS
DISTRICT PROJECT 7351
�Y Influent Structure Bypass
Tour
June 4, 2019
INFLUENT STRUCTURE RENOVATIONS
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• Bypass pumping system
Liner Inspection
Replace three Wet Well inlet slide gates(84-inch)w/new Stainless Steel slide gates
Replace Martinez Trunk(42-inch)slide gate w/new Stainless Steel slide gate
Replace Dry Weather Channel(72-inch x 90-inch)stop plate w/new Stainless Steel stop plate
Replace Dry Weather Overflow gate(10-inch x 10-inch)stem,stem guide,and stem nut
Replace Wet Weather Bypass gate(84-inch x 48-inch)torque tube and gate operator and place on
top of the deck
Replace concrete cover and manhole frame and cover
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06/03/19
PROJECT BACKGROUND
Structure 1A Influent Structure
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BYPASS SCHEMATIC OF INFLUENT STRUCTURE
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06/03/19
BYPASS PUMPS/PIPING LAYOUT
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} PS—Pump Station
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MGD—Million Gallons per Day
AERIAL VIEW OF SETUP
Pump Station 3
Pump Station 2
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Pump Station 4 A r
) Pump Station 1
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06/03/19
AERIAL VIEW OF SETUP
2019/05/24
IRA
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BYPASS SCHEDULE
June 10th — installation of Bulkheads and pipe plugs.
Start up pump system. Run and test for 7 days.
June 17th — Begin construction work. Anticipated to take
2-3 weeks (24/7 uninterrupted operation during the
bypass.)
Demobilization of Pump System at Influent Structure,
commissioning of the equipment and turn over to
operations.
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