# Dayton Civicplus #IFB 270008S

Bulk liquid carbon dioxide for Dayton water treatment plants

**Posted:** November 06, 2026
**Respond By:** November 19, 2026
**Identifier:** IFB 270008S
**NAICS:** 325120

The City of Dayton is seeking bulk liquid carbon dioxide for potable-water treatment at two municipal plants.
- **Buyer:** City of Dayton, Ohio — Department of Water, Water Supply & Treatment.
- **Product:** Approximately 2,400 tons of liquid carbon dioxide, priced per delivered ton; no part number or OEM/vendor is specified. Bidders must identify the manufacturer and brand/model.
- **Use and locations:** Recarbonation and pH adjustment at the Ottawa and Miami Water Treatment Plants.
- **Requirements:** At least 99.5% CO₂ by weight (approximately 99.9% stated as the expected composition), ANSI/NSF 60 certification, compliance with the latest AWWA B510 standard, and certified analysis. Product specifications, descriptive literature, and safety data sheets are required.
- **Delivery:** Tanker-truck delivery, typically with about one week’s notice; vendors must also be able to deliver within 48 hours when required. Bid pricing must include transportation and inside-delivery costs.
- **Pricing term:** Firm pricing through 2027, with three additional 12-month renewal options covering 2028–2030, at the City’s discretion and subject to funding.
- **OEMs and vendors:** No specific manufacturer, OEM, or vendor is named in the available materials.

### Description

The City of Dayton is seeking bids to establish a firm fixed price for liquid carbon dioxide; the bid form lists an estimated quantity of 2,400 tons. Pricing is to remain firm through December 31, 2027, with a possible City option to renew for three additional 12-month periods, through December 31, 2030. Bids must be submitted electronically as a signed PDF using the City’s bid form, with shipping costs included and product information and descriptive literature provided. The source lists a response deadline of November 19, 2026, while the attached invitation states November 19, 2027.

[View original listing](https://www.daytonohio.gov/bids.aspx?bidID=1320)