Trenchless Technology

JAN 2019

Trenchless Technology is the premier communications vehicle for the trenchless industry. Through our multiple platforms, readers receive insights into the trenchless industry, as well as keep connected to the latest news, products and projects.

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simple and not lengthy since: (1) there is no curing process during installation and (2) one installation section can be up to 8,200 ft; reducing the number of construction pits required. The installation process generally involves several steps as described below: 1. Accessing the pipe. 2. Cutting the pipe. 3. Camera inspection of old pipe prior to cleaning . 4. Pipe cleaning 5. Liner insertion. The originally folded line is spooled onto transport reels at the starting point . A winch is then placed at the destination pit , where the winch rope is pulled through to the pit at the starting point to insert the liner; 6. Liner inflation. The liner can be inflated using the compressed air or water; 7. Connector installation 8. Pressure or leak test . W W W.T R E N C H L E S S T EC H N O LO GY.C O M 31 This 35-year-old line experienced multiple failures and leaks that forced the terminal to suspend use of the processed water line.

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