you should hear some of the ideas that our engineers at the power station come up with. we had a pipe hanger brace that need a torque figure needed to do it up. they came up with some stupid figure like 16000 nm, we asked if they were sure and they said yes. as we were doing it up all the brackets started to deform so we went back to them and told them what was happening, they cam back and said ' well just do it up hand tight then' !!!!!!! WTF