01One accountable ownerEvery material deliverable needs one named accountable role, even when many parties contribute.
02Evidence before confidenceA green status must reference current evidence, not confidence, memory or an informal promise.
03Decision gatesEach stage defines who may proceed, what evidence is required and what conditions remain open.
04Visible assumptionsCost, demand, programme, approval and schedule assumptions remain dated, sourced and challengeable.
06Change is authorisedScope changes require documented time, cost, quality and operating impact before commitment.
07Interfaces are designedConsultant, contractor, supplier and operator boundaries are documented before gaps become disputes.
08Operations enter earlyStaff, service, systems and maintainability inform design long before pre-opening.
09Bad news travels fastReporting rewards early escalation and corrective ownership rather than cosmetic green dashboards.
10Handover is a processCommissioning, records, training, warranties and defects close through measurable acceptance.