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Design & Operation of a Safety Instrumented System (SIS)

Design & Operation of a Safety Instrumented System (SIS)

3 days
SEC/SIS-E
Sessions
This course is not scheduled.
Who should attend?

Audience

    • Engineers and technical staff involved in design, operation and maintenance of SIS.

Level

  • Proficiency
  • This course ensures that design, operation and maintenance of a SIS will meet the expected risk reduction.
Learning Objectives
  • Upon completion of the course, participants will be able to:
  • specify the expected risk reduction factor,
  • understand the Safety Integrity Level (SIL) concept,
  • use the IEC 61511 methodology for design and operation.
Course Content

SIS & INDUSTRIAL RISK MANAGEMENT

0.75 day

  • Identification of required Safety Instrumented Function (SIF) with safety reviews (LOPA & HAZOP).
  • Concept of Independent Protection Layer (IPL).
  • Determination of required Safety Integrity Level (SIL) using a risk matrix.

SIS DESIGN

1.5 days

  • Functional Specification: SIF allocation, cause/effect matrix, functional analysis, redundancies and fault tolerance requirements according to SIL.
  • System specification: Safety Programmable Logic Controller (S-PLC), Man Machine Interface (MMI).
  • Software specification: voting, maintenance bypasses and sensor signal analysis. Actuators discrepancy management.
  • Hardware specification: recommended technologies for sensors and actuators.
  • SIS validation: required documents; Factory and Site Acceptance Tests (FAT - SAT).

SIS OPERATION

0.75 day

  • Management of bypasses and changes.
  • Definition, implementation and optimization of inspection and test program.

MINI-PROJECT


  • Step by step application of IEC methodology to a small process unit:
  • Risk and IPL analysis.
  • SIS specification.
  • Test definition including periodicity.
  • Test procedure validation.
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Ways & Means
  • Step by step case study.
  • Case studies occurred in industrial plants.
  • Proactive teaching methodologies and numerous exercises.