I have coped with all of the above Richard, it's all about overcoming and adapting, and us ex forces lads are good at that sort of thing
Yes, a TM would make it easier, of course it would... Since I've had the triple vac though, I've NEVER tripped a switch yet and if I did have said problem and the ticket price warranted it, I'd hire a genny.....
On jobs where water supply is a problem, I take a few 20 litre drums of water with me, but that's only ever happened once :