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1. The Contractor shall mobilize and put into operation all equipment and plants required to undertake the Contract. Mobilization shall […]

Borehole development is carried out either by over-pumping or by air-lift pumping and it must achieve a nominal yield of […]

Cassing is large diameter pipe that is assembled and inserted into a recently drilled section of a borehole. cassing is […]

The borehole development process consists of cleaning the aquifer area in the immediate vicinity of the screen to eliminate drill […]

It is the 24hr constant discharge of water followed by a 12 hrs recovery to determine the borehole properties. We […]