resources
publications and articles
2020 World Record CIPL 42”
2020 Trenchless Perspective
2019 NDT Cast Iron Condition
2019 Trenchless Technology
2017 FRP & CIPL
2016 Barriers to CIPL in N. America
abstracts by george ragula
2019 No-Dig NASTT- World Record Cured-in-Place Liner (CIPL) Renewal of Natural Gas Main
2018 WGC- Use of Fiber-Reinforced Polymers (FRP) for Use in Cured-In-Place-Liner (CIPL) Renewal
2014 No-Dig NASTT - Expanding the Use of Pipe Splitting For Low Pressure Gas Services
2009 WGC - Trenchless Gas INSTALLING EXCESS FLOW VALVES WITHOUT EXCAVATION
2008 No-Dig NASTT -UV CURING FOR NATURAL GAS LINERS
2007 AGA - Evaluation of Flowable Fill around Utility Pipes
2006 No-Dig NASTT Trenchless Gas Excess Flow Valve (EFV) Installation
2005 AGA - Robotics Technology Goes “Live” for Repairing Gas Mains
2005 No-Dig NASTT - SECOND GENERATION CCTV EQUIPMENT FOR INSPECTING LIVE GAS MAINS
2004 IGRC - VACUUM EXCAVATION IN THE PRESENCE OF FLAMMABLE GASES
2004 No-Dig NASTT -“LIVE” REPAIR OF GAS MAINS USING ROBOTICS TECHNOLOGY
2003 AGA - Long-Term Performance of Cross-Linked PE (PEX)
2003 AGA - An Evaluation of a Third-Party Damage Detection System Using a Fiber Optic Cable
2003 GTI Investigating Pipeline Integrity Using Broadband Electromagnetic Technology (BEM)
2003 LINING CHALLENGES UNDER INTERSTATE ROUTE 80 - PSE&G Newark, New Jersey
2002 AGA - Using Vacuum Excavation Equipment in the Presence of Natural Gas
2000 No-Dig NASTT Innovative Size-for-Size PE Pipe Replacement Techniques