Quote:
Originally Posted by Nightman
The Cook Drilling rig pictured above is drilling a test shaft (caisson) to verify the design parameters for the proposed caisson foundations. This is typically a sacrificial caisson that gets tested then abandoned. Once the results of the test are provided, installation of production shafts may begin. They may opt to wait until the excavation support is completed and install caissons from a lower elevation and gain access via a ramp to the bottom.
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So it looks like everyone guessing up till now may have been
partially correct.
What we need, here, is someone with inside information on what's actually occurring.
Is Nightman the right man?
[See how I made that rhyme?
]