Leg Planning

After a scientific ocean drilling proposal had been accepted by the JOIDES Science Advisory Structure (SAS) for incorporation into the drilling schedule substantial preparations were required to ensure successful execution. This planning was a collaborative effort involving the Science Operator, the Wireline Services Operator, the Co-Chief Scientists, and the Drilling Contractor. The table below divides the time prior to the commencement of the port call at the beginning of an ODP leg into a series of intervals. Links from these intervals show, in general terms, the major tasks that had to be accomplished before JOIDES Resolution sailed. In practice, the detail, complexity, and level of effort required to plan a leg varied significantly depending on the location, and the scientific and operational complexity of the proposed program.

• 12–18 months precruise
• 9–12 months precruise
• 6–9 months precruise
• 3–6 months precruise
• 1–3 months precruise
• 2 weeks precruise
• 0 weeks