How scope moves and money follows: change events, PCOs, CORs, owner and subcontract change orders, directives, claims, and backcharges.
10 objects documented in this department.
Foundation
Change EventCHG 101 · Foundation · Change Management The first, neutral record that something has deviated from the contract scope — the container that captures a potential change before anyone knows its cost, cause, or outcome.
Practitioner
Potential Change Order (PCO)CHG 201 · Practitioner · Change Management The priced, characterized proposal that a validated change event becomes — the contractor's estimate of what a change will cost and how it affects time, before the owner has agreed to anything.
Change Order Request (COR)CHG 202 · Practitioner · Change Management The formal, packaged request that asks the owner to execute a change to the contract — the priced PCO assembled with its backup and submitted as a contractual demand for authorization.
Owner Change Order (OCO)CHG 203 · Practitioner · Change Management The executed, bilateral amendment between owner and contractor that actually changes the contract price, time, or scope — the only document that formally makes a change part of the contract.
Subcontract Change Order (SCO)CHG 204 · Practitioner · Change Management The executed amendment between a general contractor and a subcontractor that adjusts the subcontract price, time, or scope — the flow-down that keeps the buy-out matched to the prime contract.
BackchargeCHG 205 · Practitioner · Change Management A cost one party incurs to correct or complete another party's work, then charges back against amounts owed to the responsible party — the mechanism for recovering the cost of someone else's default.
AllowanceCHG 206 · Practitioner · Change Management A defined sum carried in the contract for scope that is not yet fully specified — a placeholder that lets a project be priced and signed before every selection is made, reconciled against actual cost as the scope is defined.
ContingencyCHG 207 · Practitioner · Change Management A reserve of money set aside within a budget or contract to absorb the cost of risks that are anticipated in aggregate but not yet identified individually — the buffer between a project's estimate and its inevitable surprises.
Advanced
Construction Change Directive (CCD)CHG 301 · Advanced · Change Management The owner's unilateral written order directing the contractor to proceed with a change before price and time are agreed — the instrument that keeps work moving when the parties cannot yet settle a change order.
Construction ClaimCHG 302 · Advanced · Change Management The formal assertion of a right to additional compensation or time when a change request has been denied or a dispute cannot be resolved through the ordinary change process — entitlement, causation, and damages, packaged for adjudication.