Opportunity
City of San Diego PlanetBids #10090492-26-J
Bulk Antiscalant Supply for Reverse Osmosis Pretreatment at North City Pure Water Facility
Posted
June 24, 2026
Respond By
July 17, 2026
Identifier
10090492-26-J
NAICS
424690
The City of San Diego, Public Utilities Department, Pure Water Division is seeking proposals for a five-year contract to supply bulk antiscalant for pretreatment of Reverse Osmosis (RO) units at the North City Pure Water Facility. - Government Buyer: - City of San Diego, Public Utilities Department, Pure Water Division - Purchasing & Contracting Department - OEMs and Vendors: - Avista Technologies (Vitec 1400) - American Water Chemicals (A-110) - King Lee Technologies (Pretreat Plus-0100) - Other notable vendors: Kemira Water Solutions, Inc., Momar, Inc., Polydyne Inc., Univar Solutions USA LLC - Products/Services Requested: - Bulk delivery of antiscalant (threshold inhibitor) for RO pretreatment - Estimated annual quantity: 35,802 gallons - Prequalified products: Vitec 1400, A-110, Pretreat Plus-0100 - Delivery in tanker trucks (2,000–5,000 gallons per delivery) - Certificates of weight and analysis required with each delivery - Unique/Notable Requirements: - Five-year contract term, with first year at 30% of estimated annual quantity - Deliveries required within five business days of order; emergency deliveries within 48 hours - Mandatory pre-bid meeting and site inspection - Product quality and performance monitoring required - Used in conjunction with 93% Sulfuric Acid for pH adjustment - Procurement classified under NIGP codes for wastewater treatment and chemicals
Description
The City of San Diego, Public Utilities Department, Pure Water Operations Division is seeking bulk delivery of Antiscalant, also known as threshold inhibitor, on an as-needed basis to the North City Pure Water Facility for pretreatment of Reverse Osmosis units. The antiscalant is used in conjunction with 93% Sulfuric Acid for pH adjustment. The contract term is five years from the effective date. Bidders must submit electronically signed bids via the PlanetBids portal by the closing date, with a mandatory pre-bid meeting scheduled.