innotec functional safety cnsultancy

System Safety Requirements Consultancy

One of the key activities in any safety-related project is the precise definition of safety requirements. Functional safety is based on the fundamental concept that all the required activities are built upon this definition. If the requirements are misinterpreted or incorrectly defined, all subsequent efforts and activities may be wrong as well. Within the safety community, it is widely acknowledged that many related issues in the field are caused by inaccurately specified requirements.

The definition of safety requirements plays a critical role in ensuring a comprehensive understanding of safety functions, measures, or targets (each standard employs its own terminology). This understanding is crucial for proceeding correctly with the folloing phases, including the development of the functional and technical safety concepts, architecture, design, and more.

defining requirements

Updated standards, such as the new edition of ISO 13849:2023, provide detailed guidance on correctly specifying safety requirements. In general, a safety requirement specification should include the following aspects (this list is not exhaustive):

  • Scope Definition
  • Identification of Function
  • Performance Requirement
  • Safety Integrity Assignment
  • Dependencies
  • Traceability
  • Applicable Standards
  • Review and Approval Process

Safety requirements emerge from the risk assessment phase and serve as inputs for the following development phases. This task can be complex; leveraging our external consultant services ensures access to a cross-industry approach and practical engineering expertise.

How We Can Help You

We have a proven track record of successfully completed projects, including the creation, updating, and review of safety requirements. Our expertise extends from the application to the sub-system level. We prioritize cost-effective solutions, utilizing generic templates and collaborating with stakeholders to define the best and safest approach.

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