# North Carolina eVP #54-JJ-12230578

NCDOT procurement of 85 portable moisture-density gauges, gauge disposal, and training

**Posted:** October 20, 2026
**Respond By:** November 02, 2026
**Identifier:** 54-JJ-12230578
**NAICS:** 423690, 334519, 423860, 562219, 611430, 811210

NCDOT’s Materials and Tests Unit is seeking portable, non-radioactive gauges for field measurement of asphalt, soil, and base materials, along with disposal of its existing nuclear gauges and training.
- **Buyer:** North Carolina Department of Transportation (NCDOT), Materials and Tests Unit.
- **New equipment:** 85 portable moisture-density gauges, or approved equivalents; no manufacturer or part number is specified for the new gauges.
- **Named legacy equipment OEMs:** **Troxler** and **Humboldt**. Existing gauges to be disposed of include Troxler 3430 (14), 3440 (27), 3450 (30), 4640B (59), and Humboldt H5001EZ (16). These are identified as equipment being replaced, not as selected suppliers of the new gauges.
- **Gauge requirements:** Field measurement of asphalt, soil, and base materials; asphalt backscatter and soil/base direct-transmission measurements at selectable depths from 2 to 12 inches; applicable ASTM and AASHTO compliance, including ASTM D2950 and D8167; no radioactive-material licensing; repeatable readings; onboard record storage; GPS or location tracking; rechargeable power; an outdoor-readable display; automatic depth selection; and data export.
- **Services:** NRC-compliant disposal of 146 existing nuclear gauges and classroom and hands-on field training for NCDOT supervisors covering operation, maintenance, regulations, and calibration.
- **Optional service:** Post-warranty maintenance, including parts, labor, travel, living expenses, and at least two preventive and safety inspections each year.
- **Performance timing:** One-time purchase; gauge delivery is expected within 180 days after purchase-order receipt. Disposal is to be coordinated in batches of approximately 25 gauges over six months after purchase-order receipt.
- **Pricing:** The notice does not provide an estimated contract value.

### Description

The North Carolina Department of Transportation Materials and Tests Unit is seeking to purchase 85 portable moisture-density gauges. The gauges must perform field measurements of asphalt, soil, and base materials with accuracy comparable to currently accepted nuclear gauges. The vendor must also dispose of NCDOT’s existing nuclear density gauges and provide training on the new portable gauges. Responses must be submitted through North Carolina’s Electronic Vendor Portal by registered vendors.

[View original listing](https://evp.nc.gov/solicitations//details/?id=63e7d062-bacc-f111-a05a-001dd80072e8)