A project manager must choose a development life cycle for a new highway bridge. The engineering design is complete, regulatory approvals are in place, and no scope changes are expected. Which project characteristic most strongly indicates that a predictive, plan-based (waterfall) life cycle is appropriate?
The team must experiment with new materials, and requirements are expected to evolve.
The customer expects usable portions of the bridge to be delivered every two weeks.
Requirements and scope are clearly defined, stable, and unlikely to change.
Stakeholder priorities shift frequently, creating a high-uncertainty environment.
Predictive, plan-based approaches work best when the project's requirements and scope can be fully defined and are unlikely to change after planning. In this situation, the bridge's design and regulatory constraints are fixed, so a detailed upfront plan can be created and baselined. Options that emphasize evolving requirements, frequent increments, or rapid experimentation point to adaptive or hybrid life cycles, not predictive ones.
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Why is a predictive (waterfall) life cycle a good fit for stable project requirements?
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What are the major differences between predictive and adaptive life cycles?
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What role does regulatory approval play in selecting a project life cycle?
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CAPM
Predictive, Plan-Based Methodologies
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