City of Aurora Opengov #26-103

Aurora water-treatment quicklime and fluorosilicic acid supply

The City of Aurora’s Water Production department is seeking as-needed deliveries of quicklime and fluorosilicic acid for its water treatment plant. - Buyer: City of Aurora, Illinois — Water Production / Water Treatment Plant. - Requested chemicals: - Granular calcium oxide (quicklime): estimated 5,100 tons for the base term and 5,100 tons for the optional extension year. - Fluorosilicic acid: estimated 120,000 pounds for the base term and 120,000 pounds for the optional extension year. - Key requirements: Quicklime must meet NSF/ANSI Standard 60 and ANSI/AWWA B202-25, satisfy composition requirements, work with the RDP Technologies, Inc./Tekkem Batch Slaking System, and be suitable for pneumatic unloading. Fluorosilicic acid must meet NSF/ANSI Standard 60 and ANSI/AWWA B703-24, contain more than 23% acid by weight, and meet specified color, suspended-solids, and hydrofluoric-acid limits. Certificates of analysis are required with deliveries. - Delivery and training: Quicklime deliveries are generally about 20 tons and due within three working days of an order. Acid deliveries are generally about 4,000 gallons and due within five working days. The manufacturer must provide two one-hour safe-handling and use training classes annually when requested. - OEMs and vendors named in the reference bid tabulation: Mississippi Lime Company, Graymont, Carmeuse Lime, Inc., and Lhoist North America of Missouri, Inc. are named for historical quicklime bids. Rowell Chemical Corp. and Alexander Chemical Corporation are listed for sodium hypochlorite; Univar Solutions USA LLC, Alexander Chemical Corporation, and Pencco, Inc. for fluorosilicic acid; Airgas Specialty Products, Inc. and Tanner Industries, Inc. for anhydrous ammonia. The reference also lists Carmeuse Lime, Inc. and Lhoist North America of Missouri, Inc. for quicklime. These are prior bid-tabulation participants, not identified as current bidders or selected suppliers. RDP Technologies, Inc. is named as the maker of the compatible slaking system. - Other reference-tabulation products: Carbon dioxide had no bid amounts shown; sodium hypochlorite and anhydrous ammonia were also listed in the prior-year reference but are not requested in this opportunity. - Contract duration: One-year base term with one optional one-year extension by mutual agreement. This is an as-needed chemical supply contract, not an annual subscription.

Description

The City of Aurora, Illinois, is seeking bids for Calcium Oxide (Quicklime) and Fluorosilicic Acid for use at its Water Treatment Plant. The procurement covers estimated 2027 quantities of 5,100 tons of Calcium Oxide and 120,000 pounds of Fluorosilicic Acid, with the option of one additional year by mutual agreement. The chemicals must meet specified water-treatment standards and product requirements, and deliveries are to be made as needed to the plant. Bids must be submitted electronically through the City's OpenGov system by October 21, 2026, at 11:00 a.m. Central Time.

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