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Williams Road Storm Water Pump Station Replacement

Columbus, OH

EMH&T provided construction administration, and on site, full time resident project representation for this project that replaced an existing pump station that was maintained by the CSX Railroad for underpass drainage. It consisted of four precast structures, one concrete masonry block building, storm piping, force main, grading/seeding fencing and concrete and asphalt drives, and a high water alarm and flashing light system to warn motorists of a flooded underpass. The four precast structures were: a flow control chamber that includes two hand operated sluice gates and a trash rack to catch debris, a detention/grit chamber and the wet well for the pump station, a pump station which is a drywell type that contains two submersible/drypit pumps, piping, valves, submersible sump pump and an air circulating unit, and an emergency pump out/hose connection manhole, piping and valves. The concrete block masonry building houses all the electrical controls and panels for the control of the pump station and contains the Motor Control Center, the SCADA panel and the panel for the High-Water Warning System. The incoming power came from a pole underground to the service panel on the outside of the building, which also included the master disconnect switch, portable generator transfer switch and receptacle. A power distribution rack was constructed near the Pump Station for the disconnect switches and control cable boxes. All power and control cables were placed in conduit underground.

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