SP-1278 - Spec. for Site Selection & Soil Investigation ...
Conventional core rotering drill with rods to prove bedrock As on land, form fixed platform or from floating pontoon barge or ship fixed in position by anchors. (Wash boring may suffice for preliminary service). Coastal structures in water depths up to approximately 50 metres. Sampling and borehole tests as on land. Rotary wireline drilling through guide tube from surface vessel or platform ... ................
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