A Guidebook for the Evaluation of Project Delivery Methods (2009) / Chapter Skim
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Pages 78-86
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From page 78... ...
At the completion of Tier 2, there is still a possibility that an agency will not have a single, clear, and logical choice for a project delivery method. If this is the case, the agency is advised to move to the Tier 3 approach with the short list of delivery methods emerging from completion of the 78 C H A P T E R 5 Tier 2 -- Weighted-Matrix Delivery Decision Approach
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From page 79... ...
Score Project Delivery Methods Step 4. Choose Most Appropriate Project Delivery Method PROJECT DELIVERY METHOD DBB CMR DB DBOM Selection Factor Factor Weight Score Weighted Score Score Weighted Score Score Weighted Score Score Weighted Score Factor 1 (e.g., Project goals)
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The objective of Step 5 is to supplement the Project Delivery Decision Report developed in Tier 1. The Tier 1 report will provide a project description, project goals, delivery methods considered, advantages and disadvantages, delivery method decision, and any relevant appendices.
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A small number of issues are likely to be important to the final project delivery decision. The next task in Step 1 is to select up to 7 of the 24 pertinent project delivery issues to examine and develop into selection factors.
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From page 82... ...
Additionally, no single factor should have a point value of less than five because a point value that low will not influence the final decision and may in fact make the selection more difficult. Steps 3, 4, and 5 involve combining the weighted ranking of the selection factors with a scoring of the project delivery methods to arrive at the selection of the most appropriate delivery method.
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From page 83... ...
Consideration should also be given to the relative scores for each delivery method to ensure consistency. Like the development of factor weights, scoring project delivery methods can be done most simply through a group discussion among key decision makers from the owner's team.
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From page 84... ...
. 84 A Guidebook for the Evaluation of Project Delivery Methods Project Delivery Method DBB CMR DB DBOM Selectio n Factor Factor Weight Scor e Weighted Scor e Scor e Weighted Scor e Scor e Weighted Scor e Scor e Weighted Score Factor 1 (e.g., Project Goals)
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Step 4. Choose the Most Appropriate Project Delivery Method At this point, choosing the appropriate delivery method is simply a matter of reviewing the total scores and making the project delivery decision.
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From page 86... ...
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.
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