Engineers present 30% design for wastewater plant expansion; city aims to hold estimated construction cost near $40 million

City engineering consultant Strand presented a 30% design update for the Pataskala wastewater treatment plant expansion at the Utility Committee meeting, describing layout changes, regulatory clearances, schedule milestones and an estimated construction midpoint cost near $40,000,000.

A Strand representative told the committee the project's permit has been updated and approved by the Environmental Protection Agency and that the design process has consolidated several adjacent pump stations to reduce cost. The consultant showed plan graphics and three-dimensional renderings illustrating new tanks, a blower building to house blowers and compressors indoors, a small four-chambered tank dedicated to phosphorus removal, and a larger biological tank intended to address nitrogen removal.

Strand also described a new UV disinfection station to be built next to the existing UV…