Process: Define Scope

Process Group: Planning
Knowledge Area: Project Scope Management


Purpose

The Define Scope process involves developing a detailed description of the project and product. It transforms high-level requirements and objectives into a clear and actionable project scope statement that guides project execution and decision-making throughout the lifecycle.


Inputs

  • Project Charter – Contains high-level project information and boundaries.
  • Project Management Plan – Especially the scope management plan and requirements management plan.
  • Project Documents – Includes assumption log, requirements documentation, and risk register.
  • Enterprise Environmental Factors (EEFs) – Organizational culture, standards, and tools.
  • Organizational Process Assets (OPAs) – Templates, lessons learned, and past project files.

Tools and Techniques

  • Expert Judgment – Used to assess and refine the scope based on organizational knowledge and experience.
  • Data Analysis – Includes alternatives analysis to evaluate different implementation options.
  • Decision Making – Techniques like multicriteria decision analysis to finalize scope elements.
  • Interpersonal and Team Skills – Facilitation and collaboration to align diverse stakeholders.
  • Product Analysis – Breaks down the product into components and features to define what must be delivered.

Outputs

  • Project Scope Statement – A detailed narrative that includes:

    • Product scope description
    • Deliverables
    • Acceptance criteria
    • Project exclusions
  • Project Document Updates – Revisions to documents such as:

    • Assumption log
    • Requirements documentation
    • Requirements traceability matrix

Role in the Process Group and Knowledge Area

  • Within the Planning Process Group, Define Scope marks the transition from gathering needs to defining what will and will not be done.
  • As part of Project Scope Management, it creates the scope baseline foundation and sets boundaries for schedule and cost planning.

Why It Matters

  • Clarifies Deliverables – Defines what the project will produce and how success will be measured.
  • Prevents Scope Creep – Establishes explicit inclusions and exclusions.
  • Aligns Stakeholders – Ensures everyone has a shared understanding of what is being delivered.
  • Enables Baseline Creation – Feeds directly into WBS development and the scope baseline.