Ev4528 Liquid Polyphosphate

Background
The City of Kansas City, Missouri, is soliciting proposals for the procurement of liquid polyphosphate to support its Water Services Department. This product is essential for alkalinity stabilization and preventing calcium carbonate scale formation in municipal water treatment processes utilizing lime softening. The contract aims to ensure compliance with operational and regulatory requirements while providing a reliable supply of this chemical for the city's water treatment needs.

Work Details
The contract involves the supply of liquid polyphosphate (sodium hexametaphosphate) with an estimated requirement of 800,000 gallons per year. The specifications include:
- Specific Gravity: 1.37 to 1.41
- Solubility in Water: Complete
- pH: 6.0 to 8.0
- Phosphate Content as PO4: 35%

The supplier must ensure that the material is certified as suitable for contact with drinking water according to ANSI/NSF Standard 60. Delivery will be made in bulk, specifically into the City's existing storage tank with a capacity of 5,500 gallons.

Period of Performance
The initial contract period will commence on May 1, 2026, and conclude on April 30, 2027, with options for renewal extending up to five additional one-year terms.

Place of Performance
The products will be delivered to designated locations within Kansas City, Missouri, specifically at the Water Services Department's facilities.

Bidder Requirements
Bidders must provide a tax clearance letter from the City’s Commissioner of Revenue dated within ninety days prior to submission. A current copy of the Bidder’s Certificate of Good Standing from the Missouri Secretary of State and a valid business license from Kansas City are also required before contract execution. Additionally, if the contract exceeds $5,000, an affidavit confirming compliance with employee eligibility verification under federal law must be submitted.