Title page for ETD etd-12242009-172716

Type of Document Master's Thesis
Author Hutchins, Lewis Anthony
URN etd-12242009-172716
Title Development of a Decision Support Tool for Identifying Appropriate Means and Methods for Locating Underground Utility Assets
Degree Master of Science
Department Civil Engineering
Advisory Committee
Advisor Name Title
Sinha, Sunil K. Committee Chair
Dove, Joseph E. Committee Member
Fiori, Christine M. Committee Member
  • Construction Management
  • Conflicts
  • Subsurface Utility Engineering (SUE)
  • Utilities
  • Transportation
Date of Defense 2009-12-15
Availability unrestricted
The location of utilities buried beneath the built environment has always been a concern for those conducting work that involves excavation or the placement of items into the ground. Whether physically removing material or driving piles, posts, and more, the potential for accidental utility strikes is increasing with the movement of more traditional utilities from above ground to below. Also, the addition of utilities and new technology in underground spaces that hasn’t existed in the past, such as fiber optics and more highspeed telecommunication lines, is occupying more space. Traditional methods of surveying, in combination with surface geophysics and the development and improvement of processes and technologies to track the location of buried assets led to the engineering services category termed Subsurface Utility Engineering (SUE). In order to aid utility engineers and consultants who are responsible for the collection of utility data this research aimed to help identify a way to compare the various technologies and incorporate information about the individual project in order to choose the most appropriate locating method for a project with a defined set of parameters. The result was the development of standard evaluation forms that can be sent to technology vendors and consultants to evaluate the performance and limitations of a technology. This data can then be compiled into a database located within an Excel-based program created to compare the technologies. The program, VT PALMS (Virginia Tech Program for Asset Locating Method Selection), consists of the performance and economic databases, a project information Page sheet, and the results of the comparison of each technology in the database to the information on the project information sheet. The results are presented in three ways; 1) a speedometer chart with a needle that indicates the percentage of the parameters used in the database that are compatible – also referred to as the Reliability Factor, 2) a matrix view that indicates the parameters where a potential conflict may exist, and 3) an economic indicator that shows the comparable cost of using each technology listed in the database.
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