MO20 - Overview of Trenchless Pipeline Technologies

Event Time

Monday, February 17 1:00 PM - 2:30 PM

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Event Location

Location: Rm237


Description

Collection systems are the wastewater utilities’ largest asset, more than the treatment plant. The US Environmental Protection Agency (EPA) estimates that there are over 800,000 miles of mainline sewer pipelines in the US and over 500,000 miles of private sewer service laterals. Each of these conveyance systems is susceptible to structural failure, blockages, and overflows. EPA estimates that $271 billion is needed to maintain and improve the nation’s wastewater infrastructure.

Trenchless technologies have become a major alternative to traditional digging for replacement of pipelines and maintenance holes. This session will take an understandable approach using photos, videos, and case histories to cover the following:

  • Problems, such as infiltration, exfiltration, roots, corrosion, and structural defects
  • New advanced technologies available to remove heavy deposits to prepare pipes for lining
  • Where trenchless technologies can be used
  • The five basic styles of technologies used for replacement & rehabilitation of gravity & pressure pipelines:
    • Dig and replace
    • Trenchless spot repairs
    • Slipliners, including continuous, sectional, and spiral wound liners
    • Cured-in-Place pipe liners (heat & UV cured)
    • Folded and re-formed pipe liners
  • Case histories for projects

This session will give an overview of the advancements in pipeline cleaning, inspection, and maintenance technology, as well as a toolbox of the advancements in trenchless technologies that are available to eliminate most of the general maintenance problems and extend the life of the pipelines for another 50 + years.

After this session, attendees will be able to:

1. Discuss the conditions that increase costs of maintenance and shorten the life of pipelines.
2. Review the applications that require dig and replace, and which are candidates for trenchless technology.
3. Discover the trenchless technology options available for pipeline rehabilitation.
4. Discuss the unique equipment required for different trenchless rehabilitation methods.

Ideal Audience: Pipeline maintenance professionals, municipal, contractors and engineers looking to learn about the technologies available to repair and extend the life (and reduce future maintenance costs) of existing gravity sewers, storm drains, road culverts, pressure force mains and water distribution systems.
Level: Intermediate


Event Information

Type: 90-Minute Education Session


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