# North Carolina eVP #274-TM-6-26

On-call polyurethane injection grouting for Raleigh stormwater and transportation infrastructure

**Posted:** October 14, 2026
**Respond By:** November 12, 2026
**Identifier:** 274-TM-6-26
**NAICS:** 237990, 237110

The City of Raleigh is seeking on-call injection grouting services to investigate, seal, and stabilize stormwater and transportation infrastructure.
- **Government buyer:** City of Raleigh, Transportation Department – Maintenance; work will be identified by Raleigh Stormwater or a Transportation Maintenance Engineering Supervisor or designee.
- **OEMs and vendors:** No OEMs, vendors, or product brands are named in the solicitation. The specified polyurethane grout types are described by performance and composition, not by manufacturer or part number.
- **Requested products:**
  - Type 1 polyurethane foam: 200 lb; two-component, high-density, hydrophobic and hydro-insensitive foam for soil stabilization.
  - Type 2 polyurethane resin: 300 gal; single-component, low- or medium-viscosity, hydrophobic resin for sealing and grouting.
  - Type 3 polyurethane resin: 300 gal; single-component, medium-viscosity, hydrophilic resin for sealing and grouting.
- **Requested services:** On-call investigation, sealing, and stabilization of culverts, pipes, inlets, junctions, structures, and subsurface voids related to infiltration, exfiltration, soil loss, or structural defects. The listed service quantities are mobilization (30 sites), traffic control (15 sites), and special access conditions (10 sites).
- **Notable requirements:** Use approved polyurethane products; provide site-specific work plans, qualified personnel, traffic control and safety measures, and resident notification. A one-year workmanship warranty is required. Special access work may include confined-space entry and bypass pumping.
- **Contract term:** Sample contract specifies an initial two-year term with one optional one-year renewal, for a maximum of three years. Actual contract dates are to be set in the awarded contract.

### Description

The City of Raleigh is seeking proposals from one or more firms for an on-call master service agreement with pricing for injection grouting of stormwater and transportation assets. Work will be identified by Raleigh Stormwater or a Transportation Maintenance Engineering Supervisor or designee. Services include investigating, sealing, and stabilizing infrastructure such as culverts, pipes, inlets, junctions, structures, and subsurface voids resulting from infiltration, exfiltration, soil loss, or structural defects. The solicitation is an RFP, and electronic bids are not permitted; proposals must be submitted according to the attached instructions.

[View original listing](https://evp.nc.gov/solicitations//details/?id=66f17049-d5c7-f111-aaae-001dd80db495)