26-AA28

The City of Duluth is soliciting bids for the annual procurement and delivery of water treatment chemicals for 2027. The scope of work involves the as-needed delivery of several key chemicals, including 160,000 gallons of Liquid Aluminum Sulfate, 90,000 gallons of Liquid Caustic Soda, 174,000 pounds of Wet Hydrofluorosilicic Acid, 64 tons of Liquid Chlorine, 3,000 pounds of Nonionic Polymer, 20,000 gallons of Liquid Ammonium Sulfate Solution, and 18,000 gallons of Orthophosphate. All products must adhere to the latest American Water Works Association (AWWA) standards, with specific requirements for NSF/ANSI 60 approval for the Ammonium Sulfate and Orthophosphate. Deliveries are to be made via tank trucks or specific containers, such as 55-pound moisture-proof bags for polymers and 1-ton containers for liquid chlorine. A legal weight ticket must accompany each load for most liquid chemicals to verify net weight, and vendors must provide proper cam connections for unloading Ammonium Sulfate and Orthophosphate. Bidders must demonstrate their capacity and skill per Duluth City Code and submit a signed Declaration of Non-Collusion. All bids, including the bid form and additional information form, must be submitted via Bid Express by the deadline of November 24, 2026.