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March 23, 2023

Collection systems are the wastewater utilities largest asset more than the treatment plant. The US Environmental Protection Agency (EPA) estimates that there are over 20 million sewer manholes in the US. Each of these structurers are susceptible to structural failure. EPA estimate 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 for pipelines and maintenance holes.

This session will use understandable approach using photo’s, videos, and case histories to cover the following:

1. Problems such as inflow, infiltration, exfiltration, roots, corrosion, and structural defects.

2. Where trenchless technologies can be used.

3. The 4 basic styles of technologies used for rehabilitation of maintenance holes, pump stations and WWTP.

    a. Dig & Replace

    b. Spray on barrier coatings

    c. Trowel on calcium aluminate lining systems

    d. Cured-in-Place Maintenance Hole liners

4. Replacing MH rings covers with fiberglass reinforced composite.

5. Learn how to build better manholes

Learning Objectives:

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 manhole & pump station, & WWTP rehabilitation

4. Identify how to build better manholes

Speaker:  Dave Badgley, Business Development Manager at Performance Pipeline Technologies

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