Water Treatment Chemical - Liquid Oxygen (LOX)

The City of Ann Arbor is seeking qualified vendors to supply liquid oxygen (LOX) as a water‑treatment chemical for its municipal water‑treatment plant. The product must meet stringent water‑quality standards (ANSI/NSF 60, AWWA B304‑21, ≥99.5 % O₂ purity, low hydrocarbon content, etc.) and be delivered FOB destination with the vendor responsible for off‑loading into the City’s storage tank. The contract is for a one‑year firm‑price term with up‑to‑three one‑year extensions, and pricing is based on a per‑hundred‑cubic‑feet (HCF) rate. Vendors must provide safety data sheets, manufacturer affidavits, and maintain a telemetry device to keep tank levels ≥ 50 %. Comprehensive insurance (CGL, auto, workers’ comp, pollution liability) is required, with the City named as additional insured. • Supply of LOX meeting ANSI/NSF 60, AWWA B304‑21, ≥99.5 % O₂ purity, ≤ 25 ppm hydrocarbons. • Estimated annual requirement ≈ 200,000 HCF (≈130 scf/hr average; seasonal peaks 190 scf/hr summer, 90 scf/hr winter). • Contract term: 1 year firm price, optional three‑year extensions; price adjustments tied to PPI for basic chemical manufacturing. • Mandatory bid forms: Conflict‑of‑Interest Disclosure and Non‑Discrimination Ordinance Declaration; bids sealed and delivered in person by April 14 2026 1:00 PM.