Diane Whiteford

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ISA Guidance Note

• Diane Whiteford
• Aspect Assessment Ltd

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agenda
objectives the purpose of the ISA guidance note
structure of the guidance
the guidance
when and where will be the guidance be available?
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with thanks to

• YBEC-ISA
• Francis How, Chairman, WS Atkins
• David Jeffrey, Network Rail, now Invensys
• Gab Parris, CED LuL Ltd
• John Corrie, Mott McDonald Ltd
• Peter Sheppard, Aspect, now Praxis Critical
  Systems Ltd
• Ken King, Bombardier Ltd
• Alex Stephenson, Alstom Transport Ltd
• Aspect Assessment Review
• Keith Williams
• Ian Spalding
• Independent Review
• IEE ISA Working Group
• Keith Watson, Network Rail

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objectives

• applicable to all ISA stakeholders.
• Customers, Projects, ISA Organisations, Safety
  Authorities.
• addresses key issues where experience has shown
  that there are difficulties or differences in
  practice.
• Competence, How to do ISA, Interface with a NoBo
• builds upon the guidance already provided by the
  Yellow Book in Section 14.

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structure of the guidance
based on a SIL4 change, where the most rigorous
and independent ISA is required
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guidance across the lifecycle
competence
demonstration of ISA competence
assessing competence
managing competence
independence
demonstrating and monitoring independence
changing working relationship over a projects
lifecycle
commercial confidence
industry lessons learnt
protecting supplier IPR
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delivery guidance
ISA remits
content and maintenance of remits
risk-based approach
advocate a team approach
effective use of budgeted resources
ISA methodologies
reporting
wording and clarity of observations and reports
issues outside the remit
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when and where

• Editorial Committee scheduled to sign-off early
  March
• YBSG endorsement
• published on
• http//www.yellowbook-rail.org.uk