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Key to ensuring that functional safety is achieved is the implementation of management systems which are aligned to functional safety standards such as BS EN 61508 and BS EN 61511.  A Safety Instrumented System (SIS) is only as reliable as the process used to develop it.  Functional safety management should be integrated within the existing safety management system which touches upon all aspects of the business from design, engineering, operations, maintenance, modification, and procurement.  Do you know if your existing management systems adequately cover functional safety?  Do you know that they are being implemented?

 

Functional Safety Gap Analysis

A Functional Safety Gap Analysis is a review of the management systems to ensure compliance with functional safety standards.  By identifying gaps in the system, additional work can be performed to upgrade systems and ensure suitability.  A gap analysis differs from activities such as auditing since it challenges the underlying management systems to establish if they are suitable for the purpose of managing functional safety.

HFL Consulting can review existing management systems and standards and compare them with the requirements of the functional safety standards (BS EN 61508 and BS EN  61511).  Having identified the gaps, actions can be set, prioritised and presented for agreement to enable forward planning of resolution activities.

 

Functional Safety Planning

Safety Lifecycle Planning is a mandatory requirement of the functional safety standards and ensures that all activities required by the standards are performed. Plans can be aligned to a plant, organisation or single project and are used to verify activities associated with achieving functional safety.

HFL Consulting’s Functional Safety Consultants can assist in the generation of Safety Life Cycle Plans to ensure that the defined safety lifecycle activities are performed from design through to operation, maintenance and modification of the Safety Instrumented Systems. Plans will identify the procedures used to ensure that the SIF achieves its safety requirements along with roles and responsibilities for each activity.

 

Auditing Functional Safety Management Systems

Auditing is an activity designed to establish if the Functional Safety Management Systems are being followed, that this is evidenced and provides an assurance to senior leaders that functional safety is being managed adequately.  Unlike a Functional Safety Gap Analysis or Functional Safety Assessment, which comment on adequacy of the standards or work performed, the audit focuses only on compliance with the standards.  HFL Consulting’s Functional Safety Consultants can assist in performing audits, developing audit programmes or integrating functional safety related audit programmes into the company’s existing audit schedule.

Linking closely with auditing are performance metrics such as Process Safety Performance Indicators (PSPIs) which can be aligned to include functional safety elements as a part of the site overall strategy for managing process safety.

 

Cybersecurity Management Systems

Of specific importance to the UK Health and Safety Executive is the emerging field of Cybersecurity, and how such threats and vulnerabilities impact upon site with Major Accident Hazard potential.  The impact of this on how Functional Safety is managed is detailed within our Cybersecurity webpage.