The GRD System explained
Fig 1 The hole (1 metre in diameter) is constructed for the drilling/manifold chamber
Fig 2 The chamber is placed into the ground ...
Fig 3 and cemented into place
Fig 4 The rig is brought to site
Fig 5 The drilling ring is attached to the chamber, this enables the rig to be rotated around the chamber
Fig 6 The rig is attached to the drilling ring.
Fig 7 The borehole is drilled through the chamber and concrete surround ...
Fig 8 to the appropriate depth
Fig 9 The chamber and cuttings collector are used to contain all of the material from the drilling process
Fig 10 The collector is fitted into the borehole ...
Fig 11 and grouted in place
Fig 12 The supply and return manifolds are fitted
Fig 13 All that will be visible of the finished installation is the chamber lid