No, you are there doing your job. As long as you don't take part in consumption, its should be fine. :) My coworkers for instance, go to happy hour a lot, and as long as I am not taking part in it, I know that I am not committing sin. :)
No it doesn't. My brother suffers from the same problem, but I can assure you that it is just in your head. Shaitan sometimes distracts us with small things like this that can drive us crazy lol. One thing that is good is that you are conscious of when you are washing your hands. Now that you notice it, ask yourself: is this normal? Tell yourself ...
If you want to feel clean enough. You could just wash everything else. The bathroom and your clothes.
And you could take a bath and you are good to go
Urine doesn't make one impure per se, it just makes one dirty and cleanliness is important in Islam that's why ablution is necessary before prayers, why we wash our mouth and everything in between (basic ...