Disruption Impact Estimating Tool--Transportation (DIETT): A Tool for Prioritizing High-Value Transportation Choke Points (2006) / Chapter Skim
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P A R T 2 DIETT Installation Instructions and User Guide
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C O N T E N T S 5 Chapter 1 Installation Guide for DIETT 5 1.1 Software and Hardware Requirements 5 1.2 Standard Installation 5 1.3 Importing Users' Data 8 Chapter 2 User Guide for DIETT 8 2.1 DIETT Query System 9 2.2 DIETT Spreadsheet -- MS Excel 9 2.2.1 The INPUTS Worksheet 10 2.2.2 The OUTPUTS Worksheet 11 2.2.3 The CHOKE POINTS Worksheet 11 2.2.4 Changes to DIETT 12 Appendix DIETT Factsheet
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1.1 Software and Hardware Requirements Software and hardware should meet the minimum requirements listed in Table 1. It is particularly important to have the specified versions of the Microsoft software.
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Minimum software and hardware requirements for DIETT. INSTALLATION 1 Go to www4.trb.org/trb/onlinepubs.nsf and click on "NCHRP Project Reports." 2 Click on NCHRP Report 525, Volume 11.
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Exhibit 1. Sample recommended database structure -- from NBI.
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2.1 DIETT Query System The DIETT query system is the first program to trigger when the DIETT icon is clicked on. It is provided primarily to conduct the initial queries and to process the data for the firstorder prioritization of candidate transportation choke points (TCPs)
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numbers (4 and 1 for barge, and 500 and 100 for rail) are automatically entered by the program but can and should be modified later to reflect the correct average daily barge and rail traffic.
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without requiring the user to study the structure of the entire spreadsheet. Adjusting the default values listed on the INPUTS worksheet should be sufficient for the generation of the toptier TCPs.
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2.2.3 The CHOKE POINTS Worksheet The CHOKE POINTS worksheet contains the data imported from the DIETT Query System (see Section 2.1 and Exhibit 2)
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is an electronic analytical tool designed to assist transportation, security, and emergency-preparedness planners as they identify and prioritize potential high-value transportation choke points (TCPs) such as bridges, tunnels, and passes.
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Detailed installation and operating instructions for DIETT are provided in Part 2 of NCHRP Report 525, Volume 11. For security reasons, data used to illustrate the use of DIETT were altered NBI data from different U.S.
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