SGH performs a broad range of services for the nuclear industry, including seismic design and evaluation of structures, systems, and components (SSCs), seismic probabilistic risk assessments, seismic qualification of equipment, drop load impact analysis, and safety evaluations. Our engineers are recognized as leading seismic and structural engineering consultants to the nuclear industry worldwide and have developed state-of-the-art methodologies in a variety of areas. SGH has also successfully defended licensing applications to regulators and reviewers for high hazard facilities.


SGH's experience in the nuclear field includes:

  • Soil-Structure Interaction Analysis
  • Seismic Probabilistic Risk Assessment
  • Defense to Regulators and Reviewers
  • Structural COLA for New Reactor
  • Post-Earthquake Investigation
  • Design of High Hazard Structures
  • Seismic Margin Assessment
  • Concrete Laboratory Services
  • Seismic Fragility Evaluation
  • NPH Design and Evaluation
  • Seismic Criteria Development
  • Experienced-Based Qualification
  • Seismic Training
  • Fluid-Structure Interaction Analysis
  • Heavy Load Drop
  • Independent Review
  • Construction Oversight
  • Base Isolation

SGH's Quality Assurance (QA) Program for Nuclear Facilities is designed to be in compliance with the requirements of:

  • ANSI/ASME NQA-1 2008, including Subpart 2.7
  • 10 CFR 830 Subpart A
  • 10 CFR 50 Appendix B
  • DOE O414.1C

This program has been audited and accepted by many clients, government organizations, and utilities. SGH maintains a library of QA verified and validated software.