Liquid Sulfur Dioxide-Rail & Truck

The Trinity River Authority Northern Region is soliciting bids for an annual supply of liquid sulfur dioxide for wastewater dechlorination, with bids due August 12, 2026 at 12:00 p.m. via the Procureware website.

The scope covers two delivery methods: 1,339,317 pounds via rail car and 105,000 pounds via truck load, delivered to the Central Regional Wastewater System in Dallas, Texas. The liquid sulfur dioxide must conform to American Water Works Association Standards B301-59, be NSF-60 certified, and meet a minimum 99.9% sulfur dioxide content specification with technical-grade classification. Truck deliveries must be completed within 48 hours of request; bidders must specify delivery timelines for both rail and truck shipments.

The contract term runs one year from December 1, 2026 through November 30, 2027. Pricing must be firm and fixed for the entire contract period, delivered unloaded (DPU) to the Dallas Plant location, and include all shipping, transportation, and associated charges; state and federal taxes are excluded. All pricing is entered directly in the Procureware Pricing tab. Bid opening is scheduled for 2:00 p.m. on August 12, 2026.

Successful bidders must carry comprehensive insurance: $1,000,000 commercial general liability, $2,000,000 pollution liability, $1,000,000 commercial auto liability, and statutory workers' compensation coverage. Required submittals include Texas Resident Bidder Certification, Conflict of Interest Questionnaire, HUB Status Form (if applicable), and safety data sheets. The Authority reserves the right to evaluate bids on factors beyond price, including delivery capability, quality, experience, and service record. No pre-bid meeting is scheduled; all questions are addressed through the Procureware website.