SAE002

Scope Expansion vs Scope Control

Business ContextBrownfield investigations frequently uncover deficiencies beyond the original project scope, including corrosion, obsolete equipment, undocumented modifications, inadequate utilities, or maintenance problems. Incorporating every deficiency increases cost and schedule, while rigidly rejecting additional scope can leave conditions that threaten project performance or future operation.

Brown Field Industrial Projects TRIZ ResolutionScope additions should be separated according to functional necessity. Conditions required for safety, integration, performance, or reliable operation belong within the project, while unrelated improvements can be recorded for separate action. Clear functional boundaries prevent scope growth without ignoring dependencies essential to project success.

Applicable TRIZ Principles

Principle 1 – Segmentation: separates essential scope from desirable but independent improvements.

Principle 2 – Taking Out: removes unrelated deficiencies from the active project scope.

Principle 5 – Merging: combines additional work with the project only where shared access, shutdowns, or interfaces create genuine execution value.

Expected Outcome

Stronger scope discipline

Reduced uncontrolled scope growth

Better treatment of critical deficiencies

More predictable cost and schedule

Decision IndicatorsEarly indicators that this contradiction is limiting brownfield project performance include:

Every site deficiency discovered during engineering becomes a project request.

Scope grows continuously after initial approval.

Critical existing-system weaknesses remain excluded because they were not in the original scope.

Project teams cannot distinguish mandatory modifications from desirable improvements.

Cost forecasts repeatedly increase because of incremental scope additions.

Monitoring these indicators helps organizations preserve scope control without ignoring conditions essential to system performance.