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Chattanooga Wet Weather CSS

This highly complex project for the City of Chattanooga involves the construction of three 10 million gallon, pre-stressed, concrete storage tanks, one cast-in-place 40 MGD pump station including four 10 MGD submersible pumps, and one cast-in-place diversion structure incorporating an existing 84” gravity sewer, two carbon absorption odor control units, one electrical building including switchgear, VFDs, 600 KW standby generator, automatic transfer switch, restrooms, and HVAC units. The project also includes construction of a cast-in-place valve and flow meter vaults and two retaining walls. Installation of buried and above ground piping ranging in size from 8” to 54” diameter was also required on the site, including 680 LF of 36” diameter force main pipe, as well as micropiles for construction. Replacement of electrical gear at the existing Influent Relief Pump Station was also required. Modifications will also be made to the existing West Bank Outfall, including demolition and a new metal weir box.

Location:

Chattanooga, Tennessee

Client:

City of Chattanooga

3 10 million gallon concrete storage tanks

40 MGD pump station including four 10 MGD submersible pumps

4-10 MGD Submersible Pumps

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