Page 8 - Nov/Dec 2020 Vol 38 No 5
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CHATTANOOGA                                                                            by Justin Holland
Chattanooga Constructs Largest
Capital Project in City’s History

  The City of Chattanooga’s               a multi-year, $250 million program that        This project involves construction
Department of Public Works operates       included major upgrades and                  of 30 million gallons of wet weather
the Moccasin Bend Wastewater              revisions to several components of           system equalization in three
Treatment Plant, a regional wastewater    the wastewater system including              10-million-gallon above ground
treatment facility that can treat a peak  pipe replacement, Moccasin                   storage basins with a 40-million-gallon
hydraulic capacity of 230 million         Bend Wastewater treatment                    pump station and diversion structure
gallons per day (MGD).                    plant improvements, critical pump            on site.
                                          station rehabilitation, and operational
  In April 2013, the City of              efficiencies across the board.                 This project will assist in the
Chattanooga entered into a consent        Hamm Road Equalization Station Project       elimination of the West Bank overflow
decree with the U.S. Environmental                                                     specifically, as well as overflows at
Protection Agency (EPA), the State of       To date, the City has spent over $260      manholes throughout the system. The
Tennessee and the Tennessee Clean         million and is still committed to several    project also will restore system capacity
Water Network (TCWN) with a goal to       additional projects. One of the most         at a critical point and reduce peak
significantly reduce, and where possible  significant projects is the Hamm Road        flows to the wastewater treatment plant
eliminate, sanitary sewer overflows       Equalization Station, which will reduce      during wet weather. 
and improve the overall operations        a major chronic overflow directly            Public Input and Public Education Was
and reliability of Chattanooga’s sewer    into the Tennessee River. At over $50        Critical
system.                                   million, this is the largest single capital
                                          project in the City’s history.                 Prior to beginning construction,
  In the agreement, the City agreed to                                                 a major consideration was public

8	 TPW November/December 2020
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