Entypo d83d322 256

Functional safety (SIL)

Analysis and assessment of instrumented safety systems of industrial installations, according to standard EN IEC 61511 and IEC 61508.

Info / Quote

About this service:

ISQ performs analysis and assessment of instrumented safety systems of industrial installations, according to standard EN IEC 61511 and IEC 61508.

ISQ expertise

  • Hazard/Risk analysis
  • Analysis of tolerable risk in an installation
  • Hazop analysis ((hazard and operability study)
  • ALARP analysis (as low as reasonably practicable)
  • IPL definition (independent protection layer)
  • LOPA analysis (layer of protection analysis)
  • FTA analysis (fault tree analysis)
  • FMECA analysis (failure mode, effect and criticality analysis)
  • Assessment of reliability and functional safety
  • Selection of the SIL – safety integrity level (safety integrity level selection)
  • Verification of the SIL – safety integrity level (safety integrity level verification)
  • Validation of safety requirement specifications 
  • Preparation of testing procedures 
  • Definition of the required testing intervals (function testing)
  • Validation of reception testing at the supplier and at the installations (factory and site acceptance testing)
  • Commissioning of systems in accordance with the specifications (start-up assistance / validation)
  • Monitoring and validation of periodic testing of safety instrumented functions
  • Audits of safety instrumented systems
  • Type of Service: Engineering & Consultancy, Technical Integrity
  • Areas: Oil & Gas, Process Industries
  • Business Unit: ISQ

How we can help

We act comprehensively throughout the value chain, providing you with access to over 250 specialized services, hundreds of technical specialists and the know-how of 50 years plus operating in these areas worldwide, leading significant national and international projects.

What sets us apart

  • The diversity of our services, addressing entire value chains
  • Comprehensive laboratorial capacity, both on site an in premises, with accredited laboratories equipped with the latest technology
  • The awarded and recognized quality and safety in our services
  • Relevant international partnerships with market leaders and entities such as the UN, ESA, CERN, ITER
  • The know-how of our team of PhDs, scientists, researchers, engineers and specialized technicians with relevant and solid experience
  • The close relationship with our customers, supported by a network of branches and subsidiaries around the world
  • The accreditations, certifications and notifications of most of the activities carried out
  • International activity in markets such as aerospace, nuclear fusion, physics and astrophysics, oil and gas, sustainability and circular economy
  • The ability to support you in Innovation activities

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