TEACR Engineering Assessment: Adaptation Decision-Making Assessment Process (ADAP)
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TEACR Engineering Assessment: Adaptation Decision-Making Assessment Process (ADAP)

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English
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  • Corporate Creators:
    United States. Federal Highway Administration
  • Subject/TRT Terms:
  • Publication/ Report Number:
    FHWA-HEP-17-004
  • Resource Type:
    Brief
  • Geographical Coverage:
    United States
  • Corporate Publisher:
    United States. Federal Highway Administration
  • Abstract:
    The Adaptation Decision-Making Assessment Process (ADAP) is proposed as a tool for planners and designers to account for the increasing role of climate change in the design of civil works projects. ADAP is intended as a risk-based tool to aid decision makers in determining which project alternative makes the most sense in terms of life cycle cost, resilience, regulatory and political settings, etc. ADAP provides a framework for generating the information needed to identify preferred approaches to project design based upon costs and benefits. The process can be tailored to meet an agency’s specific requirements. Although the framework lays out specific steps, unique situations may warrant adjustments within the general confines of the framework. ADAP can be used in two ways: (1) to assess existing assets for their sensitivity to projected climate changes and (2) for the design of new infrastructure projects. For new projects, it is intended to be applied during the planning stage of project development so as to provide the maximum opportunity to explore project alternatives. ADAP was also designed to be general enough to apply to the entire spectrum of climateinfluenced highway infrastructure, from a small drainage culvert on a country road to a complex bridge in a major urban area. Determining which facilities/projects ADAP should be applied to will be a policy decision made by each agency. Agencies may choose to apply ADAP to existing or new projects. Some agencies may use ADAP for all projects, while others use it only when projects meet certain criteria related to cost, importance, potential vulnerability, etc. ADAP may not be the ideal process to follow in all situations; however, it lays out the range of considerations that should inform an agency’s thinking about climate change vulnerability and adaptation options. Finally, ADAP is designed from the perspective of assessing a single asset, but it could be easily adapted to consider more system-level considerations, such as a system of culverts within a watershed. The language in this document assumes that a single asset is being evaluated. If a system approach is taken, then the same ADAP steps should also be followed, but adjusted as needed to account for system-level considerations. The ADAP steps are captured in the decision tree in Figure 1. As can be seen, not all steps are required in all situations. The process is setup to minimize the evaluation process in situations where the consequences of asset failure are low and where the cost of adapting to climate change is relatively small. The steps are explained in more detail in the following sections.
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