A Guidebook for the Evaluation of Project Delivery Methods (2009) / Chapter Skim
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Pages 8-18
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From page 8... ...
In fact, it is the expressed purpose of this effort to assist transit agencies in choosing the delivery method, from among the many project delivery methods, that is most appropriate for a particular project. In the material that follows, alternative project delivery methods will be compared with the traditional design-bid-build (DBB)
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From page 9... ...
The burden is on the owner agency to ensure that the project remains viable and meets federal requirements. Evolution of Current Alternative Delivery Methods in Transit Projects Public procurement law has historically limited public agencies to using DBB construction project delivery only.
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From page 10... ...
The adoption of alternative project delivery methods has added to the challenge of selecting the method most appropriate to the owner's needs and desires as well as the project's technical requirements. This report provides a set of standard project delivery definitions to help communicate the technical requirements for bringing a new project from the owner's conception to operation and finally to decommissioning.
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From page 11... ...
The owner is responsible for the details of design and warrants the quality of the construction design documents to the construction contractor. Figure 2.1 shows that the owner is situated squarely between the designer and the builder in the DBB project delivery method.
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Finally, as DBB is generally viewed as the traditional project delivery method in the United States, it is well understood and accepted by owners and members of the design and construction industries. CMR or Construction Manager/General Contractor (CM/GC)
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Our emphasis in this work is CM at-risk. Agency CM is not a project delivery method because the CM is not contractually responsible for delivering the project.
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From page 14... ...
As in CMR, the builder has early constructability input to the design process. As the owner no longer owns the details of design, the owner's relationship with the 14 A Guidebook for the Evaluation of Project Delivery Methods (Adapted from American Institute of Architects 1996.)
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From page 15... ...
Developing pilot programs is a common approach in some states for implementing previously unauthorized project delivery methods, particularly DB. In order to update information on the legal status of alternative project delivery methods in various states, a thorough literature search was conducted on the laws of all 50 states.
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From page 16... ...
Existing Selection Approaches for Project Delivery Methods Selection of the appropriate alternative project delivery method is a complex decisionmaking process. The decision should be made as early in the design phase as possible, preferably in the project scoping process and certainly before the final construction estimates for the project are ready.
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From page 17... ...
. Additionally, a recent NCHRP study of best value contracting also furnished a direct comparison of the performance of transportation project delivery methods (Scott et al.
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From page 18... ...
In summary, the existing body of knowledge in the area of project delivery, along with specific information collected on transit projects during interviews, provides a solid foundation for developing a new selection system for project delivery methods that is tailored to the needs of transit owners. Timing of Project Delivery Method Selection Transit projects, especially those that receive federal funds, follow several steps during their development.
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