Value Stream Mapping
What is Value Stream Mapping?
Value stream mapping is a visual tool used in project management and process improvement to analyze, design, and document the flow of materials and information required to deliver a product or service. Originating from lean manufacturing principles, this method enables teams to identify inefficiencies, bottlenecks, and non-value-added activities throughout the entire process, from initial request to final delivery. It provides a current-state map of how work flows and a future-state map that represents how the team can improve the process.
The primary goal is to enhance value delivery by reducing waste and improving process efficiency. This tool is especially useful in complex workflows that involve multiple departments or handoffs. It fosters cross-functional collaboration and promotes a shared understanding of how the team accomplishes work.
Key Points
- It provides a visual representation of the entire workflow, including both material and information flow.
- The technique distinguishes between value-added and non-value-added steps to identify areas of waste.
- Teams often develop both a current-state map and a future-state map to plan improvements.
- It supports continuous improvement efforts by highlighting inefficiencies and delays.
- The method can be applied beyond manufacturing, including in healthcare, software development, and service industries.
Related Terms
- A lean process focuses on reducing waste and improving flow, which is the foundation of value stream mapping.
- Process mapping offers a similar visual breakdown but does not always focus on value or flow efficiency.
- A Kaizen event is a short-term, focused improvement initiative that may use this mapping technique to drive results.
- Workflow analysis examines task sequences and handoffs, which are also captured in a value stream map.
- Bottleneck identification is a key output of this tool, as it reveals constraints in the current process flow.
Value Stream Mapping: Example
A software development team uses value stream mapping to improve its feature delivery process. By documenting each step from customer request to deployment, the team identifies that code review delays and handoffs between QA and development create unnecessary wait times. After mapping the current state, the team creates a future-state map that incorporates automated testing and parallel reviews, resulting in a 30% reduction in lead time.
Value Stream Mapping: Best Practices
- Engage cross-functional teams to ensure all steps and pain points are accurately captured.
- Start with a clear objective, such as reducing lead time or improving quality.
- Use data to validate process times, delays, and wait periods rather than relying on assumptions.
- Revisit and update the map regularly as teams make improvements and new inefficiencies emerge.
- Combine this tool with lean or agile methods for continuous improvement and stakeholder engagement.
Additional Resources
Preparing for a PMI certification?
- Exam Prep Courses: PMP®, CAPM®, and PMI-ACP®
- Exam Simulators: PMP®, CAPM®, PMI-ACP®, PMI-PBA®, PMI-RMP®, PMI-SP®, PgMP®, and PfMP®
- Professional Development Units (PDUs): 15, 30, and 60 PDU Bundles