Risk assessment

This presentation gives a definition of harm, hazard and risk. The definitions are followed by a description of a risk assessment procedure for a chemical company (description of the system, definition of safe process conditions,  identification of systematic hazard and hazard assessment by impact and probability, risk evaluation, establishment of a planning of measures and assessment of the residual risk). The reader will learn how to implement the risk assessment in the process of innovative options identification.

Risk assessment

Key Messages
  • Risk assessments is realized to obtain essential information on safety and ensure the necessary level of safety for existing or new processes or installations.
  • It is composed by 6 main steps:
    • Description of the system
    • Definition of safe process conditions
    • Systematic hazard identification
    • Hazard assessment by impact and probability, risk evaluation
    • Planning of measures
    • Assessment of the residual risk
  • The evaluation of the risk remaining despite all the planned safety measures. emergency response measures should be established for accidents that might result from the accepted residual risks.
Content
  • Concept of risk assessment
  • Risk assessment
    • Description of the system
    • Definition of safe process conditions
    • Hazard identification
    • Hazard assessment
    • Risk evaluation
    • Measures
    • Assessment of residual risk