Mainlines & Laterals Files
2013 WEFTEC Paper: Sealing Annular Space and Lateral Connections with Chemical Grouts
Published Year: 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.
NASSCO Spec: Performance Specification Guideline for Manhole Rehabilitation
Published Year: 2013
- NASSCO Performance Spec for Manhole Rehab
2012 No-Dig Paper: Cured in Place Liner Defects - Three Studies of Installed Liner Performance
Published Year: 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.
NASSCO Tech Tips - Understanding the Chemical Grout Process
Published Year: 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.
Magazine Article: Effective Point Repair of Laterals
Published Year: 2011
- Point repairs that effectively address inflow and infiltration problems that are structurally sound and do not require rehabilitation
White Paper: The Role of Chemical Grouting in Wastewater Systems
Published Year: 2011
- The Role of Chemical Grouting in Wastewater Systems: How to Reduce I&I and Prevent Structural Damage with Intelligent Use of Chemical Grout
Grout Workshop: Stop Water Infiltration Now, Not Later
Published Year: 2010
- Stop water infiltration now, not later
Magazine Article: Chemical Grouting: Stopping Groundwater Infiltration at the Service Connections
Published Year: 2010
- Chemical grouting of sewer mains to control groundwater infiltration and exfiltration at joints and connections has become a mainstay of many sewer system maintenance and rehab programs
Brochure: Costs of Chemical Grout: What Would You Spend?
Published Year: 2009
- Are you spending thousands of dollars each year treating clean water? Recent studies and over 50 years of experience indicate that America's first trenchless technology is still the best, most cost-effective, long-term defense against infiltration.
Magazine Article: Out of Round
Published Year: 2009
- A custom-built elliptical packer enables a New Jersey borough to keep its street reconstruction program on schedule.
Magazine Article: Acrylamide Grout Aces 20-Year Test
Published Year: 2008
- Grouting has occasionally been thought of as a more temporary solution, a stop-gap. But recent testing of two 20-year old acrylamide grout rehab projects indicate that grout can certainly stand the test of time.
Magazine Article: Reaching Out
Published Year: 2008
- An innovative mix of technologies helps a Massachusetts sewer department seal leaking laterals, reduce I&I, and preserve treatment plant capacity
Tech Perspective: Sealing the Deal
Published Year: 2007
- Marketing-savvy contractors can educate municipalities on the value of chemical grout and in the process build a profitable new line of business
Magazine Article: Comprehensive, Pro-Active Grouting Program Produces Dramatic Reduction of Wastewater Volume and Treatment Costs
Published Year: 2006
- Sewer system management in Newtown, PA credits use of a new, comprehensive, pro-active chemical grouting program rehabilitation by minimizing infiltration from pipe and joint failure.
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