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May Awards Luncheon

May 24, 2018
11:30 AM - 1:30 PM
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The Boat House at Confluence Park - Olentangy Room
679 W. Spring Street
Columbus, OH 43215
Venue website

Registration will begin at 11:30 AM. Lunch program to begin at 12:00 PM. Deadline for registration is May 21 at 4:00 PM.

About the Presentation

The City of Columbus’ Southerly Wastewater Treatment Plant (SWWTP) is located at 6977 South High Street and provides wastewater collection and treatment services primarily for the eastern and northern parts of Franklin County.  The City has decided, with approval of the OEPA, to implement the use of Chemically Enhanced Primary Treatment (CEPT) at the SWWTP to treat wet weather flows in excess of the plant’s full biological capacity (330 million gallon per day (MGD)) during wet weather events. Per an agreement with the OEPA, the CEPT process is to be completely by December 16th, 2019. The CEPT facility will provide an additional 110 MGD treatment train that will provide raw sewage pumping, screening, grit removal, chemically-enhanced primary clarification utilizing ferric chloride and polymer, disinfection, dechlorination, and conveyance to the existing outfall structure.  CEPT will also provide a gravity thickener to treat the sludge generated by the CEPT primary clarifiers. The CEPT facility is being integrated into the plant by three separate construction projects. The challenges involved in this project include the following:

  • The logistics of working between three different design and construction contracts.
  • Tying into an operational facility and its processes at various locations and times.
  • Setting realistic milestone and completion dates for the projects to ensure a satisfactory product and the appropriate amount of time to check-out, start-up, and operationally demonstrate the process before it is accepted.
  • The unknown of when a wet weather event significant enough to activate CEPT will actually occur.


Stacia Eckenwiler, PE — Project Manager, City of Columbus Division of Water
Troy Branson, PE - Project Manger, City of Columbus Division of Sewerage & Drainage

Stacia Eckenwiler is a Project Manager with the City of Columbus Department of Public Utilities. She has been with the city since 2011, managing the design and construction of water and wastewater treatment capital improvement projects. She worked for an engineering consulting firm for about 10 years prior to joining the city. She has a Bachelor’s degree in Civil Engineering from The Ohio State University, is a Registered Professional Engineer in the State of Ohio, and holds a Class III Water Supply Operator Certification in Ohio.

Troy Branson holds a Bachelors Degree in Civil Engineering from the Ohio State University and is currently a Project Manager within the City of Columbus’ Division of Sewerage and Drainage. Troy has 20 years of professional experience with the City. Troy has managed a number of Capital Improvement Projects within the Division of Sewerage and Drainage and the Division of Water including the City’s recent construction of their first Upground Reservoir.


Lunch buffet with salads, Top Sirloin or Wild Mushroom Ravioli, sides, deserts, and drinks.

CPD Hours

A certificate for one (1) Continuing Professional Development (CPD) hour will be issued at the conclusion of the program.


$20.00 ASCE member

$15.00 ASCE life member

$10.00 ASCE student

$25.00 Guest (not an ASCE member)