Functional Safety

PE has Certified Functional Safety Experts with more than 20 years of experience in all phases of the Functional Safety Life Cycle in the process industry.

BASIC ENGINEERING

RISK ANALYSIS/ PROTECTION LAYER ANALYSIS

  • Methodology Development
  • HAZOP / SIL / LOPA
  • Results Verification

INVESTMENT COST ESTIMATION

  • Cost estimation for Protection Layers required in previous phases

SAFETY REQUIREMENTS SPECIFICATION (SRS)

  • General Project SRS
  • Software SRS
  • Specific SRSs
  • Integration with PSM

Detailed Engineering

SIS DETAILED DESIGN

  • Detailed Engineering for all Safety Instrumented Functions (SIFs) to obtain required Reliability for Risk Reduction

SPURIOUS FAILURE ANALYSIS

  • Spurious Fault probability estimation (STR) for the plant and for critical equipment. SIS Failure Tree. Definition of actions to increase availability

IPL DESIGN

  • Alarm Management, F&G systems, Pressure Relief systems, Fire Isolation Valves (FIV)

Instalation & Commissioning

COMMISSIONING AND TEST

  • Definition and execution of commissioning, FAT (HW & SW), Integration Test (SIT) and plant test (SAT)

SIS VERIFICATION AND VALIDATION

  • Verification Plan for all Functional Safety Life Cycle
  • Mandatory Validation before Start-up
  • FSA Development

Operation & Maintenance

PERIODIC TESTS

  • Generation and Execution of Periodical Test Protocols (proof tests) required to keep SIS reliability

SIS PERFORMANCE EVALUATION

  • Data acquisition from SIS to evaluate its performance and validate according to requirements for risk reduction

Consulting, Audit and assessment

  • Functional Safety Assessment (FSA) development in each of the 5 stages defined by IEC-61511
  • Safety Audit
  • Safety Life Cycle Specifications and Procedures development
functional safety

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