Sewers Files

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.

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.

'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)

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.

Trenchless Pioneers Build on Past, Look to Future

Sharon M. Bueno Trenchless Technology August 2016

  • Avanti International Continues to Educate and Develop Chemical Grouting Industry

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.

NASSCO Tech Tips - Injection Grout Specification Guideline Aligns Contractors, Engineers and Municipalities

Tech Tips from NASSCO - Don Rigby Underground Construction Magazine 2016

  • The birth of a specification guideline begind with a need. It is born from a process of collarboration and consensus among mulit-disciplined stakeholders. After two years, the first suggested standard specification on grouting was born.

Irreversible Changes in the Grouting Industry Caused by Polyurethane Grouting

Alex Naudts DFI/Geo-Institute of the A.S.C.E 2003

  • An Overview of 30 Years of Polyurethane Grouting

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

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.

Pipe Grouting Longevity Effectiveness Evaluation

James W. Shelton, PE - ARCADIS NASTT's No-Dig Show 2014

  • There have been many debates regarding the long term effectiveness of a sewer grouting approach. ARCADIS selected 12 sewer segments that had been grouted under various sewer rehab projects for which detailed records of testing and grouting were collected.

TBM Under Ocean Waters - AvantiGrout to the Rescue

Avanti Trenchless and Underground Construction (T&UC) 2014

  • When the Port of Miami wanted to deepen its existing channel, an aging sanitary sewer main belonging to Miami-Dade County had to be lowered.

Cement Grout vs. Chemical Grout

Britt N. Babcock, PE, Director, Geotechnical Division Avanti 2013

  • Cement Grout vs. Chemical Grout: Which One to Use, When, and Why. A White Paper providing guidance to the Geotechnical Community

When 'Old School' is the Right School

Underground Construction 2013

  • Combined Grout, CIPP Effective Solution for Granite City, Illinois

Trenchless Rehab from the Engineer's Perspective

James W. Shelton Trenchless Technology 2006

  • Sewer rehabilitation programs tend to fall into two main categories: reducing peak infiltration-and-inflow and structural failures
[12 3 4  >>