Reverse Auction for Liquid Aluminum Sulfate

This solicitation seeks an indefinite‑delivery/indefinite‑quantity supply of liquid aluminum sulfate for Metro’s water‑treatment plants. The contract will run for up to five years, with annual price adjustments capped at 5 % tied to the Producer Price Index for industrial chemicals. Delivery is FOB to two treatment‑plant sites via bulk hopper‑tank trucks, with strict weight, cleaning, and certification documentation requirements. The award will be made through a two‑phase reverse‑auction process, and the winning vendor must provide the required insurance, affidavits, and compliance documentation. • Product: NSF‑certified liquid aluminum sulfate meeting ANSI/NSF Standard 60 and EPA/AWWA specifications. • Quantity: Estimated 5,000 wet tons per year (flexible, no minimum/maximum). • Pricing: Unit‑price auction; current Metro price $160.63/ton, winning bid $234/ton. • Contract type: IDIQ with a 60‑month term, annual CPI‑based price adjustment (max 5 %). • Delivery: FOB to Omohundro and K.R. Harrington water‑treatment plants, bulk truck delivery, weight & clean‑out tickets required.