@Rainmaker1973 This is cute until you consider that rats leave a trail of shit and piss behind them everywhere they go. They don't give a damn. Nasty fuckers.
@Rainmaker1973 The line doesn't have enough fall to prevent solids to accumulate and go septic, which is where you have hydrogen sulfide and methane forming in the line. Bad news. Worse engineering. All fucked up.
@MysterySolvents I'll be in the hard rock hand drilling contest in Bisbee, AZ tomorrow. A grand western mining tradition, it's been held there for over a hundred years.