Minneapolis Supplier Systems #0000004315

Minneapolis Solicits Liquid Sodium Ortho/Poly Phosphate Corrosion Inhibitor for Water Treatment

• The City of Minneapolis Division of Water Treatment & Distribution Services (Department of Public Works) is seeking bids for the supply and delivery of a liquid sodium 50/50 ortho/poly phosphate blended corrosion inhibitor.
• No specific OEMs or vendors are named; the solicitation is open to qualified suppliers of this chemical blend.
• Products requested:
  • Liquid sodium 50/50 ortho/poly phosphate blended corrosion inhibitor
  • 160,000 pounds (PO4 basis) delivered by tank truck (~4,000 gallon capacity)
  • 30,000 pounds (PO4 basis) delivered by bulk containers/totes (~300 gallon capacity)
• The corrosion inhibitor must:
  • Meet ANSI/NSF Standard 60 certification
  • Comply with AWWA standards B504 and/or B505
  • Have a phosphate reversion rate of 6% or less per 90 days
  • Maintain a specified ortho/poly phosphate ratio
• Delivery is required to multiple water treatment facilities (Fridley Filtration Plant, Columbia Heights Membrane Plant, Fridley Softening Plant).
• Bidders must provide product data sheets, certificates of analysis, and safety data sheets with their bids.
• Security requirements include sealed shipments, pre-screening of delivery personnel, and detailed delivery documentation.
• Payment is based on dry pounds of total phosphate delivered.
• There are no Small and Underutilized Business Program (SUBP) goals, but MBEs and WBEs are encouraged to participate.

Description

The City of Minneapolis is soliciting bids for the supply and delivery of a liquid sodium 50/50 ortho/poly phosphate blended corrosion inhibitor. The product is intended to reduce lead, copper, and iron concentrations in the city's water supply and must meet ANSI/NSF Standard 60 and AWWA standards. Delivery options include tank trucks of approximately 4,000 gallons and bulk containers (totes) of approximately 300 gallons. The contract period covers a twelve-month supply starting November 1, 2026, with estimated quantities of 160,000 pounds PO4 for tank truck delivery and 30,000 pounds PO4 for tote delivery. Bidders must comply with security provisions, provide certificates of analysis, and adhere to specified delivery and invoicing requirements.

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