I like the principals but it is a royal PITA to start from scratch
It is indeed! And the main problem is that there's no unanimously agreed (between Groups) example to follow. If we had that, the whole process would be a lot easier, instead of every unit muddling through learning by their mistakes...
You define your output standard, but how much is taken as given...you could go as far as "1.1.0 - Wipe your arse after sh!tting, up & down thrice, medium pressure"