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Brown and Caldwell selected for wastewater acid digestion project in Ohio

DCN-JOC News Services
Brown and Caldwell selected for wastewater acid digestion project in Ohio
BROWN AND CALDWELL — The City of Columbus, Ohio is undertaking an environmental upgrade project that aims to revolutionize the wastewater treatment process. A team from Brown and Caldwell will provide design and engineering services during construction as well as ensure the facility's continual, safe and efficient operation during improvement works.

COLUMBUS, OHIO — A team led by Brown and Caldwell has been retained by the City of Columbus, Ohio to deliver professional design services for a new acid phase digestion system at its Southerly Wastewater Treatment Plant (SWWTP).

Serving over 530,000 residents, the SWWTP is one of the largest facilities of its kind in the country. With an average flow of 120 million gallons per day, its two-phase digestion process consists of two sludge storage silos, six methane phase digesters and three acid phase digesters (APDs) to produce a Class B biosolids product for land application and other uses, states a release.

The project, SWWTP Digester Process Expansion – Phase II, will rehabilitate the APDs and other aging ancillary equipment to create a resilient acid phase digestion system that is expected to have a multitude of capacity-enhancing and financial benefits.

The Brown and Caldwell team will provide preliminary design, detailed design and engineering services during construction. A critical design component includes the continual, safe and efficient operation of the plant during construction in compliance with National Pollutant Discharge Elimination System requirements, adds the release.

As well as undertaking various condition assessments and feasibility studies, the team will prepare construction cost estimates, develop bid documentation and help evaluate qualified firms.

Detailed design is scheduled for completion by the end of 2022, paving the way for construction-phase activities to get underway.

 

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