# North Carolina eVP #274-5220-LOX-2026-FMH-1

Raleigh seeks liquid oxygen supply and leased ozone-system equipment

**Posted:** October 30, 2026
**Respond By:** December 07, 2026
**Identifier:** 274-5220-LOX-2026-FMH-1
**NAICS:** 424720, 325120, 238220, 424690

The City of Raleigh Public Utilities Department is seeking a five-year liquid oxygen supply and equipment lease-and-maintenance solution for ozone production at the E.M. Johnson Water Treatment Plant.
- Buyer: City of Raleigh, Public Utilities Department; operating location: E.M. Johnson Water Treatment Plant.
- **OEMs and named vendors:** No manufacturers, OEMs, or commercial suppliers are identified in the provided materials.
- Products requested:
  - Liquid oxygen (LOX): estimated 1,800,000 pounds per year, with monthly use estimated at 90,000–225,000 pounds.
  - Two contractor-leased vertical storage tanks, each at least 9,000 gallons.
  - Two ambient-air vaporizers, each capable of supplying the oxygen flow required at maximum ozone-system production under coldest winter conditions.
  - Two 480V block heaters, each able to raise gas temperature to at least 38°F.
  - Complete oxygen-system piping, valves, fittings, accessories, instrumentation, and controls, including redundant piping.
- Services requested: LOX delivery and remote tank monitoring; equipment lease and maintenance; installation, startup, testing, and commissioning; and product commitment and compliance documentation.
- Notable requirements: LOX must meet the latest edition of AWWA B304-13 and ANSI/NSF Standard 60. Tank equipment must support specified pressure and monitoring signals, and the system must provide a 40 psi gas feed to the ozone generator. Leaks must be repaired within 24 hours; the contractor must provide emergency support and maintain uninterrupted oxygen availability.

### Description

The City of Raleigh Public Utilities Department is requesting proposals for liquid oxygen supply and equipment lease and maintenance for ozone production at the EM Johnson Water Treatment Plant. A detailed scope of services is provided in Section 4 of the RFP. Proposals are due December 7, 2026, no later than 3:30 PM EST, and late proposals will not be accepted. Electronic bids are not permitted; submission instructions are in the attachment.

[View original listing](https://evp.nc.gov/solicitations//details/?id=7b61aacd-70d4-f111-a05c-001dd80d92a5)
