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... ...
However, the benefits of alternative project delivery methods presented in the literature occur most often across a population of projects rather than on an individual project. Thus, the reporting of benefits found in the literature should not be misconstrued as advocating one project delivery method over another.
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From page 9... ...
The current wide range of project delivery methods is a relatively recent development for publicly funded transit projects in the United States. The development of the public procurement laws limiting public agencies to use of the DBB project delivery method can be traced in part to the Brooks Act.
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From page 10... ...
Adding the responsibility of operation and maintenance to DB projects created another delivery method, DBOM. The differences among delivery methods, the unique characteristics of each project, and the vast variety of parameters affecting the selection of a project delivery method, have made selection of a project delivery method complicated for many owners.
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From page 11... ...
DBB is the traditional project delivery method. In this method, an owner retains a designer to furnish complete design services and then advertises and awards a separate construction contract that is based on the designer's completed construction documents.
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From page 12... ...
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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From page 13... ...
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... ...
18 A Guidebook for the Evaluation of Project Delivery Methods Table 2.1. The timing of project delivery method selection.
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