# Missouri BUYS #MODOT 0000000415SL

MoDOT nuclear gauge audits, radiation-safety training, and Ludlum-2241 meter calibration

**Posted:** October 28, 2026
**Respond By:** November 10, 2026
**Identifier:** MODOT 0000000415SL
**NAICS:** 541380

The Missouri Department of Transportation is seeking annual radiation-safety audit, training, and calibration services for its nuclear gauge program.
- **Government buyer:** State of Missouri, Missouri Department of Transportation (MoDOT), through the Missouri Highways and Transportation Commission, Construction and Materials Division (MoDOT Radiation Safety Officer). Buyer contact: Ashten Nichols.
- **OEM and equipment:** **Ludlum Measurements** is associated with the 13 Commission-owned Ludlum-2241 radiation meters requiring calibration. No other vendors or manufacturers are named.
- **Requested services:**
  - Nuclear Regulatory Commission (NRC) audits at four nuclear gauge storage locations each audit year, including a comprehensive report and a summary of findings during ARSO training.
  - Web-based portable gauge radiation-safety and HazMAT/DOT training for approximately 150–175 employees annually, with unlimited trainees and training records provided to MoDOT at least twice monthly.
  - One in-person Assistant to the Radiation Safety Officer (ARSO) course each audit year, typically for 25–35 attendees. The course is usually 12–16 hours and includes hands-on instruction, skills assessment, emergency response, regulatory updates, and survey-meter instruction.
  - Calibration, and repairs if possible, for 13 Ludlum-2241 meters; maintain calibration records and return the meters and certifications within 30 days after the ARSO training.
- **Notable requirements:** Audit personnel must meet applicable NRC qualification requirements; training must satisfy relevant NRC and U.S. DOT hazardous-materials rules. Calibration records must be maintained for NRC review.
- **Performance structure:** One-year initial period with four additional one-year renewal options, at MoDOT's discretion. Services recur annually; in-person ARSO training is scheduled during a fall window.
- No equipment prices or manufacturer part numbers beyond the Ludlum-2241 model are provided.

### Description

The Missouri Department of Transportation is seeking bids for Nuclear Regulatory Commission audits, training, and equipment calibration services. The contract period is July 1, 2027, through June 30, 2028, with four renewal periods. Bid responses are not accepted by email; hard-copy bidders must contact the buyer of record by email five business days before bid closing. Suppliers must be registered in MissouriBUYS to be considered for award.

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