 0.0 Very well. They came earlier than I expected - 0 a.m. rather than after noon time. But with the virus rules, of course I was home being a good citizen. It went much faster than I thought it would, but nothing was wrong with the system. It worked so well that it filled up! They were nice, hard-working guys. I have no experience with septic systems; we have sewers in my NJ town MARGARET W. 