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Video Conference

Guardrail Installation & Inspection

  • Mar 31, 2016 (9:00 - 1:00 pm CT; 8:00 - 12:00 pm MT)
    Video Conference (designated rooms at DOT sites)


REGISTRATION DEADLINE: Thursday, March 17, 2016


This presentation is a repeat of the 2015 course by the same name with some slight additions. It is intended for construction field inspectors who are assigned to inspect guardrail. It covers the design aspects of guardrail and information field inspectors need when reviewing contractor guardrail installations. This presentation will include information on the following topics:

  • Design Issues
    • Purpose of components of guardrail and cable systems
    • Length of need
    • Grading
    • Clear zones
    • Placement
  • Installation of guardrail (inspection of components)
    • Grading
    • Posts
    • Hardware & bolting
    • Guardrail Panels
  • Installation/Inspection of Cable Guardrail
    • Identifying Different Systems
    • Installation Issues
    • Tensioning/Cable Splicing
  • Transitions
  • Procedures for field adjustments
  • Common installation errors
  • Record keeping
  • Post-Project Need for Installation Manuals for Future Maintenance Repairs
  • Sign Placement
  • Information on Existing On-line Manuals


Don Gripne spent 27 years with the Washington DOT working in the areas of bridge, highway, and barrier design. He retired from the WSDOT in 1993 and has worked as a NHI trainer/course developer and a consultant to a producer of highway safety products since that time.

Target Audience

Construction inspection personnel.

More Info

The above resource and more can be accessed by visiting the TLN Learning Management System (LMS).

NDSU Dept 2880P.O. Box 6050Fargo, ND 58108-6050