the two sump pumps are installed at the same location but are wired so that the pumps take turns, first one, and next cycle the other pump is turned on by the float switch. This pump hookup is more common among septic pumping stations than among home sump pump de-watering systems, but...
In order for your sump pump setup to move water out of the crawl space, water must have a way to enter the sump basin. A simple system could just use an open sump pit or basin installed below the desired water level that allowed water to flow into the top of the basin or pit and ...
holes in the Plexiglas plate and started sifting sand. Anything that was too big to sift through the bucket was too big to go through the holes in the Plexiglas. The pump pulls water (17/20 liters per minute) and detritus down through the sand and Plexiglas, into the pipe system, up ...