Re: 10hrs "on duty"
IIRC there's some case law regarding overtime, I think, that states if you're away from your normal work place then travel is "on the clock"
So if you work for Voda I strongly urge you to do some research ;-)
Note to Voda; take the piss out of your employees and you'll soon find they return the favour.
One alcoholic drink you say? I think you'll find many an establishment is happy to serve a nice bottle of red in a "single serving" just ask