Columbus, OH


City of Columbus, Division of Sewerage and Drainage



Services Provided

  • Wastewater Collection and Treatment
  • Stormwater Management
  • Water Conservation & Graywater Systems
  • Permitting/Regulatory Agency Coordination
  • Controls Systems Design
  • System Commissioning/Start-up
  • Remote Monitoring
  • Automated Reporting/Quality Assurance
  • Electronic Security/Access Control
  • Remedial Investigation/Design
  • Hydrogeologic and Geotechnical Investigations
  • Asbestos, Lead, and Hazardous Materials Assessments
  • Building Electrical – MEP Support
  • HVAC
  • Exhaust/Ventilation Systems
  • Security & Access Control
  • Construction Administration/Management
  • Owner Representation
  • Site Plan Development/Design
  • Grading & Erosion Control
  • Flood Hazard Area Analysis

Project Overview

The City of Columbus, Division of Sewerage and Drainage owns and operates two wastewater treatment plants, the Southerly Wastewater Treatment Plant (SWWTP) with 440 MGD treatment capacity, and the Jackson Pike Wastewater Treatment Plant (JPWWTP) with 150 MGD treatment capacity, as well as a compost facility, a sewer maintenance operations center (SMOC), and sewage and stormwater collection systems.

T&M has been providing engineering planning, design, construction, and regulatory support at the City’s wastewater treatment facilities since 2017 through multiple completed and ongoing projects.

Currently, the Water team is providing General Engineering Consultant Services which have included a wide range of assignments from initial conception and evaluation to detailed design and engineering services during construction at the City’s wastewater treatment facilities. As the prime consultant, T&M manages a multi-discipline design team while navigating projects from conceptualization to construction and record document completion. Seeking a consensus among the various stakeholders inside and outside of the facilities has been an crucial part of the success of this assignment. Projects have included the following:

  • Digester Gas Piping Replacement
  • Methane Detection Improvements
  • Building Heating Improvements
  • Underground Storage Tank (UST) Removal
  • Archive Room Analysis and SMOC Storage Facility Consolidation
  • Main Drain Flow Meter Replacement
  • Raw Sewage Pump Valve Actuator Replacement
  • Site Lighting Improvements
  • Electrical Switchgear Replacement

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