Page 324 - Trenchless Technology Piping Installation and Inspection

Surface damage can appear in a number Most surface damage will not prevent the proper installation of CIPP. of ways. The surface can be rough, it can have aggregate missing or projecting, steel reinforcement visible and projecting, and more. Typically, a preliner is installed first. Then the CIPP is installed

Pipe surface damage Missing pipe sections Previous point repairs Brick pipe defects Deposits & tuberculation Tree roots Infiltration/ inflow (I & I) Obstructions in the pipe TABLE 7.5

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