Nuclear Engineering & Operations

Technical services supporting projects from small modular reactor licensing and design to Deactivation and Decommissioning legacy facilities


Support all market segments in the nuclear fuel cycle and nuclear security industries


Ability to process, store, and transmit Controlled Unclassified information in the cloud and in our Oak Ridge, TN facility


DOE-accepted NQA-1 Quality Assurance Program allowing BGS Nuclear Safety teams to operate under client programs or under our own quality program and procedures

Our Services

Nuclear Safety Engineering

Nuclear Safety Analysis

  • Nuclear safety analysis for Hazard Category 2 and 3 nuclear facilities
  • Hazards identification, screening, and evaluation
  • Chemical and radiological dispersion and consequence analyses
  • Fire modelling and fire hazards analysis
  • Hazard control development and implementation
  • DSA/TSR development and revision per DOE-STD-3009-2014
  • Integrated Safety Analysis and Safety Analysis Report development for NRC-licensed facilities
  • Safety analysis engineer training

Nuclear Criticality Safety Support

  • NCS program development, implementation, and assessments
  • Criticality code verification and validation
  • NCS evaluations of fissile material operations per DOE-STD-3007-2017
  • Criticality incredible (CI) determinations to support deactivation activities
  • Criticality accident alarm system detector placement and shielding analysis
Specialized Design Engineering

BGS employees support multiple projects requiring custom, complex systems and equipment to be specified, procured, and/or operated. We bring the capability and talent to deliver the design of complex systems from conceptual design to turnover. In conjunction with our evaluated fabrication partners, BGS offers a one-stop shop for design, fabrication, testing, and installation of complex systems and equipment utilized in nuclear and non-nuclear processes.

Safeguards & Security

BGS is actively involved with sensitive government projects, information, and material subject to DOE Safeguards and Security requirements. Our capabilities and experience allow us to support all aspects of Safeguards & Security program orders, standards, and guides from program planning and implementation to evaluation/oversight.

  • Program Management and Support
    • Initial, Periodic, and Termination Survey Support
    • Performance Assurance Program
    • Risk Assessment (DOE and ISC) and Design Basis Threat Support
    • FOCI/Facility Clearance
    • Program and Procedure Development
  • Physical Security Evaluations and Support
    • Access and visitor control
    • Intrusion Detection and Assessment Systems
    • Barriers and Delays
    • Performance Testing of Systems
  • Personnel Security
    • Access Authorizations
    • Classified Visits
  • Information Security
    • Classification Guidance and Support
    • Operations Security
    • Classified Matter Protection and Control
  • Protective Force
    • Planning and Procedures
    • Performance Testing
  • Assessment Preparation and Consultation
  • Emergency Management
Nuclear Operations Support

BGS understands and drives a commitment to quality, a questioning attitude, a strong nuclear safety culture, and disciplined operations.

Nuclear Operations

  • Training program development and implementation
  • Operating procedures, CONOPS, and driver for rigorous safety culture
  • Work planning and control
  • Industrial safety and health
  • Operational readiness and startup

Quality and Compliance
We use our compliant NQA-1 program to achieve exceptional performance, minimize performance risk, and maximize reliability.

  • NQA-1 quality assurance program for safety software and engineering processes
  • Compliant processes and approved facility for generation and handling of CUI
  • Rigorous cost accounting and tracking system
  • Project management and integration capability
Our Resources

Capabilities Sheet
Physical Security Roadmap
Physical Security Roadmap

BGS is supporting DOE EM HQ in the development and implementation of a Safeguards and Security Roadmap (SRM) The SRM is a transformational blueprint that will drive continuous process improvement of the nuclear security program, provide a method to address issues on a...

Nuclear Criticality Safety
Nuclear Criticality Safety

Developing NCS evaluations and analyses to allow characterization and deactivation activities at the former uranium enrichment facilities in Piketon, OH and Paducah, KY Developing the basis for criticality incredible for D&D activities at these facilities

Transformational Challenge Reactor (TCR)
Transformational Challenge Reactor (TCR)

The TCR, a new additive manufactured (3D-printed) Micro Reactor, is to be designed and demonstrated at ORNL as a proof of concept for advanced nuclear manufacturing technologies to reduce the deployment costs of new nuclear power generation. BGS supported early-stage...