RAMS Engineering

Reliability and Safety Engineering

Sun Smart Systems has been providing Reliability and Safety Engineering services to some of the leading global companies. Our team has strong experience in Reliability and Safety Engineering processes, tools and techniques. Our customers rely on us to keep their products capable and competitive in high integrity and safety critical domains such as aerospace, defense, railway signaling and Healthcare. We draw on our global team of technical experts and their diverse real-world experiences to ensure success.


  • CENELEC EN 50126, EN 50128,EN50129
  • FRA and FTA Regulations (CFR Rule 49)
  • MIL-STD-882C
  • AREMA signal Rules
  • AAR Locomotive, Braking, and Signaling Rules
  • IEEE 1483
  • DO-178B

Our key experiences include:

Safety Engineering

  • Product Safety Program Plan – PSP
  • Preliminary Hazard Analysis – PHA
  • System Safety Requirements -SSRS
  • Assess Safety Integrity level – SIL
  • System Hazard Analysis – SHA
  • Hazard Tracking – Hazard Log / SCIL
  • Operating & Support Hazard Analysis-O&SHA
  • Fault Tree Analysis – FTA
  • FMEA of Class I/II hardware – FMEA
  • Software Safety Analysis- SFMEA
  • Safety Design Reviews
  • Vital Trace Spacing of Class I circuits
  • Safety validation – Test Validation Report
  • Traceability Matrices
  • Evidences of approval-Third party & COTS
  • Safety Case Report
  • Product Safety Certificate
  • Safety metrics
Reliability Engineering

  • Establishing Reliability & Maintainability (R&M) goals
  • Reliability apportioning and allocation
  • Estimation/Optimization of reliability
  • Prediction using MIL-HDBK-217F FRACAS
  • FMEA/FMECA reports
  • Fault Tree Analysis (FTA) reports
  • Estimation of MTBF
  • Trending Analysis of failure/snag data
  • RELEX, RAMS, Reliasoft tools
  • Reliability growth analysis using Duane & AMSAA models
  • Interaction with suppliers/vendors & Customers
  • Collaboration – Domestic & International certification agencies
  • Maintenance studies – accessibility, ergonomics, interchangeability, standardization and modularity
  • Estimation of maintenance man-hours
  • Preparation & optimization of maintenance/inspection schedules
  • Life/TBO extension studies

As part of the implementation of the safety engineering process, our team has been involved in working with different standards as applicable by law and regulations, industry and quality standards depending upon the product market space. The team has good working experience in some of the most widely used standards.