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City hears $325,900 proposal for deep well and water treatment construction oversight; drilling plans, noise and radium treatment discussed
Summary
Consultant Donahue & Associates presented a 30‑month construction-observation and administration proposal for a new deep well and water treatment improvements. The firm proposed a $325,900 fee; staff said drilling could begin in March and may run 24/7 with mitigation measures required.
Donahue & Associates presented a proposal for construction-administration and observation services tied to LaSalle’s new deep well and water treatment plant improvements. Terry Boyer, the consultant, told the council the firm’s proposed fee is $325,900 for roughly 30 months of services covering contractor coordination, construction observation and administrative oversight.
Boyer said the project includes a very deep production well (approximately 3,000 feet), a new well house and electrical services sized for a 300–400 horsepower pump, a generator sized to support the new pump and treatment equipment, and a separate treatment train to address possible radium in the source water. The firm said it expects the pump capacity to be in the general range of 1,000 to 1,500 gallons per minute, though final capacity will depend on drilling results.
Council members and staff discussed schedule, noise and mitigation. Boyer said drilling is likely to begin in the March timeframe and that the drilling contractor may work around the clock for the drill period; the city will require sound- and light-mitigation measures and will notify adjacent residents before work begins. Boyer said the well driller will supply daily drilling logs and that the consultant will monitor geologic formation reports and equipment specifications remotely and on-site as needed.
The council did not authorize payment or award a construction contract at the meeting. Members asked for more detail and for continued coordination with the city’s water engineers. Staff said the overall project is being financed through a low-interest loan program for which the city previously approved an ordinance; Boyer said the city is eligible for up to $5,000,000 in loan forgiveness under the program negotiated earlier.
Council members asked technical questions about water quality, generator sizing and scheduling; Boyer said additional sampling and a system-wide corrosion-control evaluation are underway and that the treatment system sizing will be finalized after water-quality results are known.
No formal vote to approve the task order or to make payment appeared on the meeting agenda for action; the item was presented for information and to allow council members to ask questions before any contract authorization.
