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Victoria University Antarctic Research Expedition Science and Logistics Reports 1993-94: VUWAE 38

Operating Procedures and Checks

Operating Procedures and Checks

The following safety procedures and checks are followed during each deployment:
  1. Core barrel is moved up and down via computer, and sensor readings checked to ensure all parts of the electrical and mechanical system are responding.
  2. Battery housing purge valves are closed and air compensation system is checked.
  3. Winch hydraulic connection to Nodwell is checked and winch is operated for several minutes to purge hydraulic system.
  4. Vibracorer is lowered into water with a 2 tonne chain hoist and load is transferred to winch rope to check load holding and backup prussic knot brake. Air compensation system is visually checked with underwater camera.
  5. Chain hoist is disconnected and lowering of vibracorer begins.
  6. Separate twin core flex communication line let out as corer is lowered.