After noticing a suspicious small pile of pea gravel in my backyard after the winter storm of 1999, I looked in my crawl space to discover a foot of water down there. My sump pump motor had apparently burnt out in the last few weeks. The "tub" (basin?) that the motor sits in was floating on its side in water, anchored somewhat to the hole by the PVC pipes. My guess is that somehow this tilting of the sump pump kept it running indefinitely until the motor died.
I replaced the pump, placed it in the tub, held the tub in the hole until it completely filled with water and turned the pump on. After the water was pumped from the tub, water rushed in around it, lifted the tub up and turned it on its side again. How do I keep this from happening? Do I drill holes in the tub and turn it into a giant colander? I donít think placing a brick in the tub will help since the pump itself weighs a lot and is no match for the upheaval force of the water. If I drill several small holes in the tub, how will I prevent the pump from clogging with mud?
For now, I removed the tub, just placed the pump directly into the hole and pumped all the water out. I can see places in the crawl space where the vapor barrier has surfaced and it bunched up. Do I need to somehow place this back under the pea gravel? This will be a back breaking job. The floor joists look ok, there is some slight black mold on them.