System Safety Capability


Fourth Factor Engineering, LLC partners have over 30 years of experience in performing specialty and systems engineering analysis. The independent contractors affiliated with our company possess a commensurate amount of experience. We are capable of performing analyses in a wide area of disciplines and technology types ranging from small individual electrical/mechanical components (high voltage batteries, fire suppression systems, mechanical drive trains, etc.) to large highly complex integrated systems (large automated weapon systems, vehicle systems, complex automated ammunition systems, etc.). Our core engineering disciplines are:


  • Preliminary Hazard List
  • Preliminary Hazard Analysis
  • Operating and Support Hazard Analysis
  • Subsystem Hazard Analysis
  • System Hazard Analysis
  • Fault Tree Analysis
  • Bent Pin Analysis
  • Root Cause Analysis
  • Requirements Criticality Analysis and Mapping to Hazards
  • Review of Operation and Maintenance Tasks for Inclusion of Safety
  • Verification Planning (Risk Mitigation Verification)
  • Safety Assessment Report/Test Site Safety Setup
  • Development of Safety Labels and Warning, Cautions, and Alerts
  • Safety Case
  • System Safety Hazard Analysis Report
  • Job Hazard Analyses
  • OSHA Compliance (including site assessment to assess compliance and make recommendations)
  • Design Influence
  • Architecture Analysis for Inclusion of Safety
  • Requirements Development and Decomposition





System Safety Capability: Tool Set


  • Requirements Database (DOORS, SLATE, RTM)
  • Hazard Tracking System Databases (Microsoft Based, Based within Requirements Databases, etc.)
  • Templates for Analysis and Report Types
  • Microsoft Suite
  • Fault Tree Analysis Tools (Isograph, CAFTA, Reliasoft, etc.)
  • Pro-Engineer (or other Computer Aided Modeling tool)
  • Bent Pin Analysis Tool



CAGE: 68KV9 · DUNS: 966635315 · NAICS: 54-1330 · Fed EIN: 27-2120951 · MN EIN: 1518540 · SAM