Laterals Files

2015 No-Dig Paper: Cost-Effective Private Property I&I Reduction

Randy Belanger, Daniel Magill NASTT'S No-Dig Show 2015

  • The focus of the paper is to show the step-by-step progression of a private property I&I reduction program in the City of Wauwatosa. The project included soaker hose rain event simulation, lateral lining and chemical grouting.
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2015 UCT Paper: Eliminating Infiltration Requires a Holistic Approach in Naperville, Illinois

Tony Conn, John Manikak UCT Show 2015

  • In April 2013, Chicago and its neighboring suburbs experienced a 100-year rain event resulting in extensive flooding, sewer system surcharges, and basement back-ups.
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2013 WEFTEC Paper: Sealing Annular Space and Lateral Connections with Chemical Grouts

Jim Gentry WEFTEC 2013

  • Acrylamide chemical grout has been used successfully for over 40 years to reduce groundwater infiltration by sealing leaks and joints in mainline and lateral sanitary sewer systems.
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2012 No-Dig Paper: Cured in Place Liner Defects - Three Studies of Installed Liner Performance

James W. Shelton, PE NASTT's 2012 No-Dig Show 2012

  • Over the last 6 years, Malcolm Pirnie has conducted a monitoring program of cured in place mainline liners and lateral liners to assess the affect of various variables on long term liner quality, especially with regard to liner porosity/pinhole leakage.
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2017 No-Dig Paper: Value-Engineering for Sewer Rehabilitation with Injection Grouts for Anytown, USA

Michelle D. Beason, PE, Don Rigby NASTT’s 2017 No-Dig Show 2017

  • Injection grouting is a soil sealing process used to control infiltration more effectively, more efficiently for less cost, and engineered to holistically attack all four points of entry: mainline, laterals, lateral connections, and manholes.
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2016 No-Dig Paper: Injection Grouts and CIPP Lining Revitalize Buried Assets on Treasure Island

Michael Helfrich, Joyce T. Velitschkowski, Don Rigby NASTT’s 2016 No-Dig Show 2016

  • Injection Grouts and CIPP Lining Revitalize Buried Assets on Treasure Island
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Brochure: Sewer Grouting - Mainlines, Laterals and Lateral Connections

2019

  • Sewer Grouting Brochure - Mainlines, Laterals and Lateral Connections
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2018 No-Dig Paper : Logic and Economics of Lateral Grouting

Don Rigby, Marc Anctil, Jeff Maier North American Society for Trenchless Technology (NASTT) 2018

  • Decision Support Matrix Compares Trenchless Rehabilitation Technologies.
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Strategic, Cost-Effective I&I Reduction in Wisconsin

Angus W. Stocking, L.S. Trenchless Technology Magazine 2015

  • Wauwatosa’s short term solution - chemical grouting of sewer lateral connections to reduce I&I - has worked out so well that long-term efforts may not be needed at all.
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NASSCO Tech Tips - Understanding the Chemical Grout Process

Tech Tips from NASSCO - Dick Schantz Underground Construction Magazine 2012

  • Chemical grouting is one of the olderst techniques used to stop water infiltration into sewer collection systems, Unfortunately, it is also one of the misunderstood.
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Magazine Article: 'Grout First,' Right Answer for Sullivan's Island, SC

Don Rigby Trenchless Technology 2016

  • Greg Gress, manager of sewer and water for Sullivan’s Island, S.C., just completed the community’s CMOM self-assessment of its collection system. The condition assessment clearly indicated 90% of Sullivan’s Island problem was infiltration and inflow (I/I)
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Magazine Article: NASSCO Report: Grouting

Infiltration Control Grouting Association (ICGA) Trenchless Technology 2016

  • Think You Know Municipal Grouting? Think Again - Reeducate! To further the objectives of ICGA, reeducation is now core to its mission, as injection grouting has experienced monumental advances in the last decade, with more to come.
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NASSCO Report: Past, Present and Future of Municipal Grouting

NASSCO's Infiltration Control Grouting Association (ICGA) Trenchless Technology May 2016

  • This year the municipal grouting industry celebrates 50 years as the original trenchless technology. It is appropriate to honor our past, but - more importantly - prepare for the future and the renewed focus on our failing infrastructure.
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Magazine Article: Chemical Grouting: An effective tool against groundwater infiltration

Andrew Topf Canadian Underground Infrastructure 2014

  • Groundwater infiltration of sewer pipes is a common problem encountered by municipalities, especially those with aging infrastructure
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Magazine Article: Efficient, Economical Grout Solution for Downers Grove

Underground Construction 2014

  • Reducing sewer line I&I with grouting allows Downers Grove Sanitary District (DGSD) to avoid major repair expenses.
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