Packages are seeded by the lengths that matter for safety, then cut into possessions under the rule set. Plant, crews and delivery preferences are all set in the optimiser.
Night-time possession · escalate above 4 nights · 2 worksites · 2 tampers · 1 stoneblower · 1 grinder · 2 MEWPs · 3 track gangs
No possessions yet — run the optimiser to lay the programme out from T0.