The Spring Hill City Council on July 10 authorized the mayor and staff to execute an agreement with BG Consultants to serve as the city’s owner’s representative during the design and construction of a planned new wastewater treatment facility and approved a Phase I environmental site assessment for the property.

The council voted to approve the owner’s-representative agreement and the Terracon task order after staff described the project’s scale and procurement approach. “We currently have 1.5 MGD capacity at our plant. We run about 650,000 gallons per day right now, and we need to start thinking about the future,” a staff member identified in the record as Mrs. Abel said. Staff said the city plans to initially build a 5.0 MGD-capacity facility with room for future expansion and to use a progressive design-build delivery method.

BG Consultants’ David Hamby, identified on the record, introduced himself to the council; staff said David Hamby will be the primary BG contact and that the selection followed a qualifications-based review of four proposals, interviews of two finalists, and a selection committee that included staff members. Staff said BG’s fee approach is expected to be about 1.5 to 2% of total project cost overall and that the initial owner’s-representative work will be phased: a predesign phase (estimated at roughly $55,000 pending final scope and fee), followed by design-phase services and then construction-phase observation on an hourly basis and by amendment as scope is clarified.

Separately, the council approved Task Order TC-2025-02 with Terracon to perform a Phase I environmental site assessment before closing on the property; staff said the assessment is standard due diligence to identify any historical contamination, underground tanks, or other environmental liabilities and estimated the cost at about $3,000, to be paid from the wastewater fund.

Staff said the city has held a mandatory pre-proposal meeting for the design-build procurement and expects proposals to be due August 7. The project team described the effort as a multi-year, multi-phase program with significant capital investment.

Why it matters: The city is planning its largest capital project to date, moving from a 1.5 MGD permitted facility toward a new plant to serve future growth. The owner’s representative role arms the city with technical oversight and construction management capacity it lacks in-house. Council approved the consultant selection and the environmental study to advance site purchase and procurement.