# Risk Breakdown Structure The Risk Breakdown Structure (RBS) provides a hierarchical classification of project risks by source. It enables the project team to identify concentrations of risk and allocate management attention to areas of greatest exposure. Risks on this project are categorized across four domains: **Technical Risks** encompass the design, construction methods, and equipment aspects of the project — from design errors and constructability challenges to procurement delays and vendor performance. **Management Risks** address project management, scheduling, and coordination — including baseline schedule development, float management, multi-party coordination, and information flow. **External Risks** capture factors outside the project team's direct control — regulatory and permitting timelines, third-party dependencies such as utility companies and municipalities, and funding agency requirements. **Financial & Commercial Risks** cover project economics, contract interpretation, and change management — including scope boundary disputes, Potential Change Orders, and claims. > [!info] Project-Specific Taxonomy > The full RBS taxonomy is tailored to each project based on scope, complexity, and stakeholder requirements. Subcategories are developed during the risk identification phase and refined throughout the project lifecycle.