Long activities and critical path in turnaround scheduling explained: total, free, zero and negative float, a worked CPM forward/backward pass, how discovery work shifts the critical path, DCMA/AACE schedule checks, Primavera P6 longest path, PERT risk and crashing vs fast-tracking.
Plant turnaround and shutdown management guide: T-minus milestones, scope freeze, job packs, critical path, positive isolation, gas testing, ASME PCC-1 bolting, PSSR startup, KPIs, calculators and printable Aienginear checklists.
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