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NJLTAP – Roadway and Roadside Drainage (Webinar)

  • November 30, 2022
  • 4:30 pm–6:00 pm

This course will be held on three consecutive Wednesdays, November 30, December 7, and December 14. You must attend all three Wednesday sessions to receive credit for the workshop.

This course covers the examination of drainage problems, properties and effects of soil and subsurface water, and how to maintain, inspect, and install culverts among many other drainage issues.

Who Should Attend

Crew leaders including foremen, equipment operators, superintendents of small highway departments, and others who want to gain knowledge of open drainage systems. The course is geared to practical day-to-day operations


    • Extent of drainage problems

    • Earth material and subsurface water (Effects)

    • Subsurface drains

    • Culvert design and maintenance

    • Cross section elements

      Purpose of cross section elements and maintenance techniques

    • Ditches, Erosion and Slopes

    • The purpose and maintenance of ditches & types of erosion and way to reduce erosion

Date & Time

November 30, 2022
4:30 pm–6:00 pm


Construction & DesignTechnology & Tools

David P. Orr, P.E., is the Director of the Cornell Local Roads Program, NY LTAP. Formerly the Deputy Highway Superintendent for Yates County, NY.  David has over fifteen years of road-related experience.


4.5 PDH. 4.5 Technical CPWM contact hours


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