Re: Need help fast- large steep bank
[re: lbrown59]
01/09/08 06:17 PM
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On cut banks that lie alongside railroads and hiways, engineers use a technique to gather drainage that involves horizontal boring and insertion of perforated pipe. The water enters the perfs and the pipe conducts it to the edge of the bank where a swing elbow/tee/plug combo is attached. The water is gathered in a vee ditch and taken to a convenient culvert to cross the road. The perforated pipe is easy to make with hacksaw cuts and you can jet or drill it into place without much difficulty. We recently did this same trick to relieve water pressure from a pipeline leak on some basement walls. We bored the wall and inserted a ten-foot length of perforated copper with a valve on the basement end. We built a packing device to seal the pipe against the wall, then opened the valve and put a hose on the valve that took the water to a basement drain. It measured out to be 3.5 gallons per minute, and the municipal water company didn't care.
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On cut banks that lie alongside railroads and hiways, engineers use a technique to gather drainage that involves horizontal boring and insertion of perforated pipe. The water enters the perfs and the pipe conducts it to the edge of the bank where a swing elbow/tee/plug combo is attached. The water is gathered in a vee ditch and taken to a convenient culvert to cross the road. The perforated pipe is easy to make with hacksaw cuts and you can jet or drill it into place without much difficulty. We recently did this same trick to relieve water pressure from a pipeline leak on some basement walls. We bored the wall and inserted a ten-foot length of perforated copper with a valve on the basement end. We built a packing device to seal the pipe against the wall, then opened the valve and put a hose on the valve that took the water to a basement drain. It measured out to be 3.5 gallons per minute, and the municipal water company didn't care. 
