Guidance for Using the Interactive Tool for Understanding NEPA at General Aviation Airports (2020) / Chapter Skim
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Pages 20-27
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From page 20... ...
20 Given the wide range of issues to be addressed in the NEPA process, and the need for the user to provide sufficient input to the Interactive Tool for the results to be meaningful, the Team concluded that a "decision tree" structure, in which each answer moves the user along a branch of the tree, is needed. This approach enables the Interactive Tool to provide context-sensitive information at each potential branching point to guide the user through the process.
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Interactive Tool Logic 21 47 types of projects typically required at airports and provides a screen for the user to select the project type, a fence in this case. In this example, the selected project type, fencing, is covered by a CATEX defined in FAA Order 1050.1F.
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22 Guidance for Using the Interactive Tool for Understanding NEPA at General Aviation Airports 3.1.2 Environmental Analysis As noted in Section 1.1.1, the FAA can only approve a CATEX if no "extraordinary circumstances" apply. The second step in this process is therefore to determine if extraordinary circumstances apply to this specific project.
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Interactive Tool Logic 23 Source: Interactive NEPA Information Tool Figure 6. Wetlands and other waters of the U.S.
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24 Guidance for Using the Interactive Tool for Understanding NEPA at General Aviation Airports determine the type of NEPA documentation required. In this case, the project area contains wetlands identified by a site survey.
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Interactive Tool Logic 25 • Levels of community interest or concern • Availability of local technical experts • Regional costs of doing business • Competitive environment for services The cost and time module helps the user to estimate the time and effort required to complete the NEPA process and comply with special-purpose laws for the selected project. Due to the extreme variability in costs and durations due to factors that can't be fully reflected in a programmatic process such as the Interactive Tool, the cost and schedule estimates generated by the Interactive Tool represent ranges of order-of-magnitude costs.
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26 Guidance for Using the Interactive Tool for Understanding NEPA at General Aviation Airports Source: Interactive NEPA Information Tool Low High Low High Required? Responsible Agency Air Quality Medium $1,500 $50,000 1 3 Possible EPA, State Air Agency Climate Low $500 $500 0.2 0.2 No Coastal Resources Not applicable $0 $0 0 0 Section 4(f)
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From page 27... ...
Interactive Tool Logic 27 For larger efforts, it is likely that several tasks might be done concurrently. In some cases, each environmental resource might be assigned to a different individual or team.
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