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OCR for page 86
86 A Guidebook for the Evaluation of Project Delivery Methods Conclusion The Tier 2--Weighted-Matrix Delivery Decision Approach extends the Tier 1 approach by providing an examination of how project delivery methods align with project goals and perti- nent issues as these are consolidated into selection factors. The weighted ranking of project selection factors requires decision makers to define their priorities and more closely examine the attributes of the delivery methods remaining after the Tier 1 analysis. At the end of Step 4, there may be a single, clear, and logical choice for a project delivery method and the choice can be documented in the Project Delivery Decision Report. If a dominant choice does not appear, the agency should document the results and move to the Tier 3 approach, which focuses on how delivery methods relate to project risks.