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SCSC - Group: Assurance cases
 
background 

The Assurance Cases Working Group (ACWG) has been established to provide guidance on all aspects of assurance cases including construction, review and maintenance.

  • It is intended that this will be broader than safety and will address interaction and conflict between related topics.
  • This will address aspects such as proportionality, rationale behind the guidance, focus on risk, confidence and conformance
  • An important aspect under consideration is the role of counter argument and evidence and the treatment of potential bias in arguments

One of the working groups initial activities is to take on board the maintenance of the Goal Structuring Notation (GSN) Community standard.  Issue 2 of the GSN Community Standard is available as working group publication SCSC-141B.
Users of the standard are invited to continue to provide feedback on the use of the standard, and to suggest areas for further development. Feedback can be provided via the Discussion Forum 

Please contact Phil Williams (using link on 'Groups' main page) if you are interested in the activities of this working group and would like to make an active contribution to its work, or would simply like to be kept informed of the group's activities. 

WG Lead Bio

Phil Williams is an independent system safety consultant having started his own consultancy in 2013 after 27 years with General Dynamics UK, where he held the role of Chief Safety Authority. He has supported a number of cross-industry system safety initiatives and has represented UK defence industry on the MOD’s Safety Standards Review Committee and was a core member of the Def Stan 00-56 Issue 5/6 and Def Stan 00-55 Issue 3 authoring teams.

Phil is currently a member of the SCSC Steering Group and is the chair of the Assurance Case Working Group which includes responsibility for Maintenance of the Goal Structuring Notation (GSN) standard. He is also an active member of the ADS Defence System Safety Group; the BSi GEL65/1 committee; the IEC TC65A MT61508 (developing edition 3 of IEC 61508) and is the deputy-convenor of IEC TC65A WG18 acting as the principal UK expert in the development of the functional safety standard for Defence Systems (IEC 63187).

Phil can be contacted at phil.williams@engineerforsafety.co.uk

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SCSC 06-03-2018 [V4e]