Objective
B.S.P. recognising the problems of extracting oil and gas under conditions of increasing water depth, have developed a range of hydraulic hammers which are capable of operating underwater.
A pair of 10t actuators mounted on a hammer have operated satisfactorily in 120 meters water depth and an electrical control system has been developed and proven at the same depth.
Other developments include a slender hammer which is able to pass through pile guides, removing the need for pile followers as is the case with above water driving.
The development was centred on hydraulic actuators of 10t and 20t capacity. The simple design of the hammer chassis and the modular construction of the actuators allows any number of them to be used according to the size of hammer required. The actuators are easily replaced in the event of a failure so that spare units obviate the need for a complete standby hammer.
The hammer does not operate in an air bell, so small air hoses to the surface are unnecessary and the impact cap, which provides for the most efficient transmission of impact force through to the pile, does not need a separate hydraulic supply as is the case with nitrogen buffer cushions.
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DEM - Demonstration contractsCoordinator
IPSWICH #NAME?
United Kingdom