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7 Future Research Needs
Additional research is necessary to facilitate the implementation
of performance requirements in the design and construction of P3 projects.
The authors' suggestions are summarized below:
- Performance Requirements: A significant level
of preparatory work is likely during the initial stages of implementing
performance requirements. An agency will be required to develop
the linkages between user requirements, design and construction
criteria, and performance for at least major scope elements, such
as pavements, bridges, geotechnical and geometric design, and articulate
them effectively through the technical requirements of the RFP.
The SHRP2 R07 project developed similar templates for performance
specifications for use in construction by technical area. The development
of templates to assist in writing performance requirements for major
scope elements would facilitate these early steps. Real-world examples
of performance requirement applications as well as costs, benefits
and risks associated with their use could help assess the business
case for using performance requirements.
- ATCs: The post-construction benefits of ATCs
are seldom quantified. For ATCs that were accepted, there is a lack
of empirical data to evaluate whether risk was truly transferred.
It would be beneficial to quantify the value of transferred risk
in terms of cost savings, shortened schedule, improved quality or
less disruption to the public.
- Risk Management: Identification of contractual
risks and their allocation between the agency and P3 private partner
occur in the initial stages of procurement. However, risk profiles
are likely to change over time due to contractual negotiations,
such as ATCs, change orders, etc. There is a need to investigate
using case studies how the original risk structuring design, as
conceived by the agency at the beginning of the procurement process,
changes over time at various milestones, and what the actual risk
outcomes were.
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