Pipe Ramming is a trenchless method for the installation of steel pipes used when sandy soil is present and impact moling is not possible, or where larger pipes or ducts are required. The pipe rammer is locked into the end of the steel pipe and the pipe is driven through the ground by pneumatic percussive blows to one end. The soil is forced internally up the pipe and on completion is then augered out. The pipe can then be used as a water pipe (i.e irrigation), drainage or as a duct for another service.
COMMERCIAL WORK EXAMPLE
Pipe Ramming a 6 inch steel pipe under a road in Hadlow, Kent.
This was for a farm, specialising in small leaf salad crops. Irrigation and watering is vital forsuccess in growing this crop. The fields have extensive irrigation systems serving them and this 6 inch steel pipe will be used to link the systems under a public highway that divides the fields. .
DOMESTIC WORK EXAMPLES
Pipe Ramming a 4 inch steel pipe under a stream in Staplehurst, Kent.
On this project, 4 pipes were being laid to some farm buildings that were being developed into some private dwellings. A reasonably straight forward run across fields until a large stream had to be crossed. Wanting to get the pipes under ground to remain protected from frost and also avoid any obstruction across the fast flowing stream, the pipes had to go under. Moling was a dangerous option at this time of year as the ground was saturated and the stream bed could collapse into the mole bore. The solution was to pipe ram a 4 inch steel tube under the stream at a good depth, which avoided the risk of drowning our mole, plus the water pipes were well protected in a steel tube under the stream bed from any future dredging.
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