water + stormwater + wastewater
Central Waste Water Treatment Plant - Headworks Baker Concrete Construction, Inc.
Project Location: Nashville, Tennessee Project Start Date: 30 December 2020 Project Completion: 20 April 2022 Project Team: Dustin Sholty - Sr. Project Manager, JP Jones Sr. - Superintendent, Julio Crisanto - Area Superintendent, George Orr - Site Safety, Tom Wilder - Quality Control/Inspections, Chip Thomas - Line and Grade Lead Project Summary: The Central Wastewater treatment plant (WWTP) is currently the largest plant in Nashville, TN. It was originally constructed in 1958 and previously had four major expansions. The headworks of a wastewater treatment plant is the first stage of a complex water treatment process to reclaim wastewater back to EPA regulated levels. It reduces the level of pollutants and solids in the incoming water by screening out debris and large solids. When complete this facility will re - move and separate course and fine debris from incoming wastewater from in and around the Metropolitan Nashville area. This is part of the Clean Water Nashville Overflow Abatement Program. Part of this program is to reduce combined sewer output (CSO). CSO is where the storm sewer and sanitary are combined from very old sewer systems. During a rain event the storm sewers overwhelm Treatment Plants. The design of this plant incorporated many architectural elements that fit within the historic Germantown buildings, making it appear that it belongs in an otherwise residential area. This is unique for the wastewater industry. Baker was contracted by Garney Construction to perform Division 3 - Concrete Construction The Architect of record was Centric Architecture, and the Engineer was Hazen and Sawyer. Baker self-performed all the concrete scope of work. The scopes of work for the Headworks Structure included the following: Foundation mats/Water retaining walls/ Elevated water retaining structural slabs/Columns/Free standing beams/High bay columns/Complex structural corbels/CIP stairs. The project expanded the facility from 300 million gallons per day (mgd) to 440 MGD. Work began on site in December of 2020 and Bakers’ scope was substantially complete in April of 2022, a fourteen-month duration.
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csengineermag.com YEA 2022
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