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:
- 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.
- Battery housing purge valves are closed and air compensation system is checked.
- Winch hydraulic connection to Nodwell is checked and winch is operated for several minutes to purge hydraulic system.
- 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.
- Chain hoist is disconnected and lowering of vibracorer begins.
- Separate twin core flex communication line let out as corer is lowered.