Resin Impregnation (Wet-Out)
A process used in cured-in-place pipe installation where a plastic coated fabric tube is uniformly saturated with a liquid thermosetting resin while air is removed from the coated tube by means of vacuum suction.
Resin Injection
The localized repair of pipes, usually sewers, by injection of a resin formulation into cracks or cavities which subsequently cures to prevent leakage and further deterioration. It may also increase the structural strength of the pipeline.
Resins
An organic polymer, solid or liquid; usually thermoplastic or thermosetting.
Restoration
The backfilling, compaction and re-surfacing of any excavation in order to restore the surface and underlying structure to enable it to perform its original function.
Retract
The motion of the machine away from the face of the entrance pit.