They have the same problem in the London sewers....mostly due to baby wipes and synthetic diapers.
So much for idea of the green modern parent, lol.
As for the job...ya' never know. If someone said I'll pay you $500/hr and you only have to work 12-15 hrs a month....you would be surprised how some people might change their minds.
....Mike Rowe has a pretty good take on things I must say.
All good
Coley