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Changelog Shoreline Simulations 3.58.0

This release adds an average project plan case output for Primavera P6 planning, alongside a fix for an intermittent scheduling failure.

Reporting

Average project plan for Primavera P6 planning

What's new

Design cases can now generate an average project plan — a simplified, idealised schedule built from a run's task durations, formatted to support Primavera P6-style project planning. The report is available for download as CSV, Excel, Primavera P6 XML, or MS Project XML.

The average project plan is paired with a Statistical Weather Calendar that breaks average task durations down by month, vessel, and step, so the plan accounts for expected weather-driven scheduling variation rather than a single fixed duration per task. The calendar shows:

  • Average task duration (full elapsed time, including weather downtime)
  • Weather downtime as a component of that duration (not additive on top of it)
  • The statistical distribution across percentiles (P10–P90 in 10-point steps, plus P25/P75), with min/max and confidence intervals

Behind the scenes

  • The average project plan is generated from the case's P50 (median) run. Within that run's log, repeated occurrences of the same task are grouped by vessel, process, step, and calendar month, and each group's duration is replaced with the average duration across that group. The resulting entries are then re-chained back-to-back per vessel, removing gaps and overlaps.
  • This is a deliberate simplification: simulation-specific constraints such as availability and weather windows are ignored, producing an idealised baseline schedule rather than a literal replay of the run.
  • The Statistical Weather Calendar is organised by vessel, process, and step, with row types for individual monthly, yearly, and accumulated-monthly figures, plus a total.
  • This output is available for Construction cases only — O&M cases don't have the process-cycle steps needed to average.
  • Output is downloadable as a combined ZIP containing the individual percentile runs (P10–P90) alongside the average project plan.

Where to find it

Open the case, go to Results/Outputs → Project Plans, and choose the export format.

How to try it

  1. Run a Design case with multiple simulation runs.
  2. Once the runs complete, open the case and go to Results/Outputs → Project Plans.
  3. Choose an export format and download. The ZIP includes the individual percentile runs and the average project plan.
  4. For Primavera P6, import the exported file directly; use the Statistical Weather Calendar for resource-planning context alongside it.

Note: This output is available for Construction cases only. No minimum simulation run count is enforced.

 

Fixes

  • Fixed an intermittent Shoresim3 failure where an SOV could attempt to transition directly from Offshore to Demobilize during rescheduling, skipping the expected move-to-base step and causing the simulation run to fail.