Water Treatment Chemical - Carbon Dioxide (CO2)

The City of Ann Arbor is procuring bulk carbon‑dioxide gas for its water‑treatment plant to support re‑carbonation and pH adjustment. The gas must be ≥ 99.5 % purity, ANSI/NSF 60 and AWWA B510‑18 compliant, delivered FOB destination, freight prepaid, with the vendor responsible for transferring the product into the City’s storage vessel. The contract is for a one‑year firm‑price term, with the option to extend for up to three additional one‑year periods, price adjustments tied to the PPI for industrial‑gas CO₂. The estimated annual volume is about 560 tons, and the City expects first deliveries on or before July 1 2026. The award is tentatively slated for Roy Smith Company. • Product: CO₂ ≥ 99.5 % wt purity, meeting ANSI/NSF 60 & AWWA B510‑18. • Delivery: FOB destination, freight prepaid, on‑site transfer required. • Term: 1‑year firm price, up to three optional 1‑year extensions (price escalated by PPI). • Volume: ≈ 560 tons per year (≈ 120 lb/hr average). • Vendor requirement: Must provide compliance documentation, insurance, and optionally a telemetry tank‑level device.