INSIDE THE DOT
South Dakota Department of Transportation
Evaluation of High Density Polyethylene (HDPE) Pipe
Hal Rumpca, SDDOT
This report presents the findings and recommendations on the Evaluation of High Density Polyethylene (HDPE) Pipe resulting from a 1996 Transportation Enhancement/Hazard Elimination Project in Martin, South Dakota. Because the SDDOT had never used HDPE for any mainline drainage application, a research team was directed to investigate the suitability and cost effectiveness of using HDPE pipe as storm sewer with shallow cover at the Martin, South Dakota project.
1 Determine the suitability of High Density Polyethylene Pipe (HDPE) as storm sewer pipe.
2 Determine the cost effectiveness of using High Density Polyethylene Pipe.
3 Develop specifications for using HDPE for use on mainline applications.
1 Meet with the technical panel to review the project scope and work plan.
2 Review and summarize literature regarding design and installation of High Density Polyethylene Pipe (HDPE).
3 Develop deflection criteria for the design and acceptance of HDPE pipe.
4 Provide a preliminary design to be included in the plans for the Martin, South Dakota project.
5 Consult with the pipe supplier during the development of the final design for the installation of the HDPE pipe.
6 Monitor the construction and install instrumentation for short and long term deflection testing. The testing should cover at least one freeze thaw period.
7 Conduct deflection testing using loadings from H10 up to H20.
8 Evaluate the results of the deflection testing to determine if HDPE storm sewer pipe meets the deflection criteria.
9 Determine the costs of the installation of the HDPE pipe and compare it to the cost of installing round reinforced concrete pipe. Include the backfill and other associated costs.
10 Recommend specifications for using HDPE as storm sewer and mainline drainage pipe.
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