David Orr, P.E., Ph.D   Senior Engineer   Profile	418 Riley Robb   dpo3@cornell.edu   Web site

Research

• Seasonal Variations of Unbound Materials in New York State
• International Subgrade Performance Study
• Falling Weight Deflectometer (FWD) Calibration Center and Operational Improvements
• Independent Review of the Recommended Mechanistic-Empirical Design Guide and Software: Low Volume Road Design

Education

• Bachelor of Science Degree, Cornell University, Ithaca, New York, School of Civil and Environmental Engineering, May 1987
• Doctor of Philosophy,Cornell University, Ithaca, New York Agricultural and Biological Engineering, May 2005, Major: Local Roads, Minors: Statistics and Structural Mechanics

Selected Continuing Education Curriculum

• Culvert Inspection Program, National Highway Institute, August 1989
• Stream Stabilization & Scour at Bridges, National Highway Institute, July 1991
• AASHTO Roadside Design Guide, National Highway Institute, October 1991
• Slope Stabilization, National Highway Institute, June 1994
• Pavement Design and Management, Cornell University, Spring 1996
• Professor Training in Asphalt Technology, National Center for Asphalt Technology, Auburn University, June 1999

Experience

• Cornell Local Roads Program, Ithaca, New York
  • Senior Engineer, January 2004 - present
  • Technical Assistance Engineer,January 1996 - 2004
  • Acting Associate Director, October 2001- January 2002
    • Provide technical assistance to highway agencies in New York State through Cornell Cooperative Extension.
    • Develop all day workshops for training highway and public works personnel on a variety of subjects including:
      • Roadway and Roadside Drainage,
      • Pavement Maintenance, and
      • Public Works Inspection.
    • Develop topics and present seminars around New York State on transportation related subjects.
    • Plan, train, and direct student intern program which helps municipalities implement pavement management.
    • Manage the Cornell Local Roads Program highway research laboratory.
    • Perform laboratory test on pavement materials for research, classes, and technical assistance.
    • Develop and carry out highway and pavement research under the direction of Program Director.
    • Help Program Director with laboratories in University classes.

• Yates County Highway Department, Penn Yan, New York
• • Highway Engineer, December 1987 - June 1988
  • Civil Engineer, June 1988 - December 1990
  • Deputy Superintendent, January 1991 - December 1995
    • Provided all in-house engineering for rehabilitation, reconstruction, and replacement of highways, bridges, culverts, appurtenances, and other highway features.
    • Performed peripheral work relating to scheduling, assigning and performing construction and maintenance.
    • Worked with other governmental agencies to provide interdepartmental services.
    • Established daily schedule of crew assignments.
    • Prepared and administered contracts and construction specifications.
    • Produced monthly and annual Department reports.
    • Drafted and reviewed Request for Proposals with engineering firms.
    • Generated and tracked annual Department budget.
    • Carried out duties as Department Safety Officer.

Awards and Recognition

• Outstanding Cooperative Extension Programat Cornell University (1998)
• Outstanding Service to Biological and Environmental Engineering Department (2002)
• AAA New York Community Traffic Safety Award, Outstanding Program (2006)

Publications

• Orr, D. P., Roadway and Roadside Drainage, CLRP #98-5, Cornell Local Roads Program, Ithaca, NY, 1998.
• Orr, D. P., and J. M. S. Wallace, Falling Weight Deflectometer Calibration: Looking Back to the Future, Pavement Evaluation 2002, Roanoke, VA, Virginia Polytechnic Institute and State University, 2001.
• Orr, D. P., Seasonal Variations of In Situ Materials Properties in New York State: Literature Review, CLRP #03-04, Cornell University Local Roads Program, Ithaca, NY, 2003.
• Irwin, L.H., and D.P. Orr, Seasonal Variations of In Situ Materials Properties in New York State: Revised Plan of Work, CLRP #03-05, Cornell University Local Roads Program, Ithaca, NY, 2003.
• Orr, D. P., Detection Of Non-Resilient Behavior in Pavements Using a Falling Weight Deflectometer, in Transportation Research Record 1860, Transportation Research Board, Washington, DC, 2003
• Orr, D. P., Variation in the Measured Data and Calculated Parameters From Falling Weight Deflectometer Tests at a Single Point, International Conference on Highway Pavement Data, Analysis, and Mechanistic Design Applications, Columbus, OH, 2003
• Orr, D. P. "Defining Critical Seasons in Pavement Design," Airfield and Highway Pavements Meeting Today's Challenges with Emerging Technologies, ASCE, Atlanta, GA, 2006
• Orr, D. P., and L. H. Irwin. Seasonal Variations of In Situ Materials Properties in New York State: Final Report, Cornell Local Roads Program, Ithaca, NY, 2006
• Orr, D. P., and L. H. Irwin. "Developing Seasonal Pavement Design Models Using Falling Weight Deflectometer Testing," 13th International Conference on Cold Regions engineering, ASCE, Orono, ME, 2006

Affiliations

• Transportation Research Board (TRB)
  • Low-Volume Roads Committee Member
  • Frost Effects Committee Member
• TRB expert task group on the LTPP Database Operations and Management
• TRB subcommittee on the LTPP Product Development and Implementation
• American Public Works Association
• National Association of County Engineers
• American Society of Civil Engineers
• Chi Epsilon Civil Engineering Honorary Society