Parks: Aquatic Facilities Chemicals

The City of Manchester, NH, solicited and awarded a contract for the supply of pool‑maintenance chemicals and carbon‑dioxide cylinders to service its three aquatic facilities (Livingston Pool, DuPont Splash Pad, and Raco Pool). The contract was awarded on a firm‑price, unit‑price basis to Harcros for four chemicals and to Maine Oxy Chemical for CO₂ cylinders. The award was made following an Invitation‑to‑Bid with a sealed‑proposal deadline of April 17, 2026. • Scope: Provide Cyanuric Acid, Sodium Hypochlorite, Calcium Hypochlorite, Sodium Bicarbonate, Sodium Thiosulfate, pool enzymes, and rent nine 50‑lb CO₂ cylinders (rental fees waived). • Awarded Vendors: Harcros (chemicals) and Maine Oxy Chemical (CO₂). Unit prices were disclosed but quantities were not, and the contract runs until the 2026 summer‑season closure of the facilities. • Procurement Method: Full and open competition via sealed‑bid Invitation to Bid; submissions required hard‑copy sealed envelopes (electronic copy accepted for convenience).