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Mainlines & Laterals Files

Magazine Article: Trenchless Rehab from the Engineer's Perspective

Published Year: 2006

  • Sewer rehabilitation programs tend to fall into two main categories: reducing peak infiltration-and-inflow and structural failures

Magazine Article: First in the World - A Unique Approach to Lateral Grouting

Published Year: 2006

  • A unique approach to lateral grouting keeps homeowners contented with the public works department in a southeastern Wisconsin village.

Magazine Article: Driving Down I/I

Published Year: 2006

  • CIPP lining and grouting of lateral connections proves to be a sound formula for tightening sewers in Graettinger, Iowa

Magazine Article: Lateral Sealing in Wisconsin Provides Opportunity for Innovation

Published Year: 2005

  • The Village of Brown Deer, Wisconsin, just wanted to address an ongoing problem in one of its residential subdivisions that resulted in high inflow and infiltration at one of its interceptor sewers as far back as 1996.

White Paper: Two Dimensional Model Study on Infiltration Control at a Lateral Pipe Joint Using Acrylamide Grout

Published Year: 2005

  • In this study, A table top lateral joint model was used to investigate grout movement through soil, when sealing sewer pipe leaks at lateral joints by grouting.

White Paper: Methods to Control Leaks in Sewer Collection Systems

Published Year: 2004

  • In recent years, federal and state regulations and mandates to reduce sanitary sewer overflows (SSOs) have resulted in requiring better maintenance and operating practices for wastewater utilities.

Magazine Article: Sewage Pouring into Lakes, Streams

Published Year: 2002

  • SSO 700 is an unremarkable spot. Just a pipe, hidden by trees and brush, emptying into Mill Creek near downtown Cincinnati.

Brochure: Examining Close-Fit Liner Annulus

Published Year: 2001

  • The principle purpose of this article is to characterize the performance of close-fit liners that are being utilized for pipeline renewal (rehabilitation).

Magazine Article: Lateral Grouting in South Fayette Township

Published Year: 2000

  • South Fayette Township Municipal Authority (SFMA) serves the Township of South Fayette (population 13,500) located in the southwestern portion of Allegheny County, PA

Magazine Article: Municipalities Use Chemical Grout to Stretch Sewer Rehabilitation Budgets

Published Year: 2000

  • Public works professionals maintain their facilities with the funds available rather than the funds needed. That situation is not likely no change, but some professionals have learned to stretch their pipeline rehab budgets further than ever before.

Case Study: Borough of Downington Stops Infiltration (1999)

Published Year: 1999

  • Like most towns or cities with public sewer systems, Downingtown was experiencing high amounts of inflow and infiltration (I & I).

Magazine Article: Chemical Grout Maintains Trenchless Popularity, Viability

Published Year: 1999

  • The use of chemical grout, the original trenchless method, continues to grow, year after year. Both awareness and sales are up significantly over five years ago, industry statistics show.

Magazine Article: Chemical Grout Helps Increase Sewer System Capacity

Published Year: 1999

  • Some sewer districts have learned they can use chemical grout to stop leaks, then sell their excess capacity to other municipalities for more than the cost of rehab.

Magazine Article: Using Grout to Lock Pollution in Place

Published Year: 1998

  • In Pennsylvania, Rembco used grouting to contain oil leaking under an oil refinery’s sea wall. The concrete wall had been constructed on top of old wharf piling. Over time, tidal action caused erosion, resulting in leakage at the wall’s base.