Replacement and Installation of Oxygen Controllers and Sensors

The Town of Glastonbury is requesting bids for replacement and installation of oxygen controllers, sensors, and mounting hardware at the Town Wastewater Treatment Facility, 2149 Main Street, Glastonbury, Connecticut, with bids due October 6, 2026 at 11:00 a.m. via the online e-procurement portal at https://glastonburyct.bonfirehub.com/.

The scope requires furnishing and installing three dissolved oxygen controllers capable of operating up to two digital or analog sensors with predictive diagnostic software, six luminescent dissolved oxygen sensors with a measurement range of 0.01 to 20.00 mg/L, and six sensor mounting hardware assemblies. The preferred manufacturer is Hach Company of Loveland, Colorado, though other manufacturers meeting or exceeding specifications are acceptable. The contractor must provide manufacturer start-up services, basic operational training, and a one-year service agreement covering preventative maintenance, calibration, and repairs. All work must be completed by June 30, 2027, with work hours limited to Monday through Friday, 7:00 a.m. to 5:00 p.m. (no work on designated Town holidays without prior approval).

Award will be made to the lowest qualified, responsible, and responsive bidder based on total bid cost calculated by multiplying unit prices by quantities for each line item. A 10 percent bid bond or certified check is required at submission, with 100 percent Performance and Payment bonds required upon award. Insurance requirements include Worker's Compensation, Commercial General Liability with $1 million per occurrence limits, Automobile Insurance, and a $1 million umbrella policy, with the Town named as additional insured. Bidders must submit manufacturer specifications for all proposed equipment, list at least three similar contracts with references, and disclose any past or pending mediation, arbitration, or litigation from the prior five years. A preconstruction meeting will be held prior to work commencing. A one-year maintenance guarantee period following final acceptance is required. Municipal projects are exempt from Federal Excise Taxes and Connecticut Sales, Use, and Service Taxes. All bids will be publicly opened and read aloud via Zoom at the due date and time.