southerly wastewater treatment plant - new headworks - cip 650352, contract s-65 & s-67

The project is in two phases and consists of two separate contracts, Contract S65, Raw Sewage Pump Building, and Contract S67, Screen and Grit Facilities.  These are critical projects that must be completed in order to meet the City of Columbus Consent Order with the Ohio EPA.

 


Phase 1 is the new $51-million Raw Sewage Pump Building which includes four raw sewage pumps with variable frequency drive units and motors, four mechanically cleaned bar racks, sluice gates, four 54-inch diameter magnetic flow meters, instrumentation and control systems, plumbing, HVAC and electrical systems.  Work will also include a new 102-inch diameter inter-connector sewer, new outfall diversion structures, new 14-foot by 18-foot plant influent sewer and a new influent junction chamber and other miscellaneous site work. 

 

Phase 2 is the new $45.8-million Screen and Grit Facility which includes four perforated panel screens, four 25-foot diameter grit tanks with propeller/impeller and drive units, eight recessed centrifugal grit pumps, instrumentation and control systems, plumbing, HVAC and electrical systems.  This phase also includes the Odor Control Facility with control fans and bio-ractors.  Final training, start-up, testing and commissioning with be completed on both contracts.


Owner:

  

City of Columbus

Division of Sewerage and Drainage (DOSD)

Department of Public Utilities

Location:

  

Southerly Wastewater Treatment Plant

Columbus, Ohio

Relevent Features:

  

Construction Management

Client Reference:

  

William E. Poteet, P. E.

Assistant Administrator

Division of Sewerage and Drainage

Cost:

   $96,668,825

Project Completion:

   March, 2008


Please contact H.R. Gray for additional information pertaining to any of our services.