DMC

• Shifting of the hydraulic auger to the required pile and centre to be done accurately with the help of plumb bob.
• Auger to start the boring and the bottom casing to follow next
• The centre and the alignment of the bottom casing to be scrutinized accordingly with reference points marked at a right angle.
• The bore to be drilled and developed by the auger
• Bentonite slurry to be used if required in case of retaining walls of the bore.
• The indigenously designed auger that performs on any surface including rock to be used in developing the bore.
• Hard surfaced conical teeth made of tungsten carbide are present in the auger. Such a mechanism can develop the bore in rock also.
• The bucket shall be withdrawn from the hole and on opening bottom of hinge, the admitted muck will be discharged on ground.
• On achieving the desire strata, a series of events to follow, viz. the steel cage to be lowered followed by lowering of Tremie.
• The concreting operation to be carried out as outlined in IS 2911 sec.