Cost baseline
Scope, quantity, rate and allowance assumptions remain traceable.

03 / Estimating & cost control
A visible baseline for quantities, commitments, progress, change and recovery.
Scope, quantity, rate and allowance assumptions remain traceable.
Events are logged and assessed before commercial positions drift.
Variance is paired with owners, decisions and realistic next actions.

CSD maintains the line from estimate to commitment and from site event to commercial impact, giving teams enough context to act before variance hardens into loss.
Measured quantities, pricing structure and transparent assumptions.
Budget, commitment, forecast and variance in one working view.
Event, notice, status, value and supporting record.
Measured progress and documentation checked against the agreed basis.