Luquid calcium nitrate

The Town of Groton, Connecticut (New London County) is issuing Invitation to Bid (ITB 26-15) to establish a vendor to supply liquid calcium nitrate (biocide) to the Town's Water Pollution Control Division. The product will be used to remove hydrogen sulfide and prevent odor and corrosion within the wastewater collection and treatment systems. The Town estimates an annual requirement of 15,000 to 30,000 gallons, to be delivered as needed in shipments of approximately 2,000 to 3,800 gallons between 8:00 a.m. and 2:00 p.m., Monday through Friday, with a minimum 48-hour notice requirement. The liquid calcium nitrate must meet specific technical specifications, including a minimum of 3.5 pounds of nitrate-oxygen per gallon, a minimum specific gravity of 1.45, and the capability to reduce dissolved hydrogen sulfide to less than 0.1 mg/liter. Bidders must submit pricing on a delivered, FOB Groton basis, expressed as cost per gallon, with all charges including freight, technical assistance, and delivery included in the per gallon price. Required qualifications include being an established vendor in wastewater odor control, capable of providing on-site technical assistance within 24 hours and delivery within 48 hours of order placement, with at least two distribution centers. Bidders must submit safety data sheets, reference lists with at least three references having three or more years of experience, distribution center information, and technical documentation including case studies prior to material delivery. The bid submission deadline is 2:30 p.m. on May 1, 2026, at the Purchasing Office, Groton Town Hall, 45 Fort Hill Road, Groton, Connecticut 06340, with the contract valid through June 30, 2027. The solicitation opened on April 1, 2026, at 8:30 a.m. EDT, and inquiries should be directed to Karl Klein at 860-441-6681 or kklein@groton-ct.gov.

This procurement is open to all vendors with no stated set-asides for disadvantaged enterprises or socioeconomic categories. However, a local vendor preference applies, allowing qualified local vendors within 5% of the lowest bid to match that price and receive award consideration. No incumbent vendor information or current contractor details are specified in the solicitation documents. No bid bond or performance bond is required. The Town of Groton is tax-exempt and will not include tax charges in the bid amount; the Town will complete any required tax exemption documentation as permitted by law. No estimated total contract value is listed in the available documentation, though the annual requirement range of 15,000 to 30,000 gallons provides a basis for prospective bidders to estimate potential revenue. The Town reserves the right to accept or reject any and all bids.