[SystemSafety] Collected stopgap measures

[Andrew Banks]

>> However, this documentation is often done after the fact (retrofitting 
>> documentation to existing systems/software), and it seems to me that any 
>> realistic process or checklist needs to accept that reality.

Retrospective documentation serves no purpose, other than allowing boxes to be ticked

Doing it at the right time helps influence design decisions, and thus contributes to getting things right, first time.