Grease Trap

Mechanism in a lateral that collects grease before it can reach a main line.

Grinder Pump

See Sewage Grinder PumpA sewage grinder pump will discharge a finely ground slurry into a small diameter pressure pipe. In a low pressure sewer system (LPSS) all the piping downstream of the grinder pump will normally be under low pressure, 60psi or less..

Grip

Applies travel to rod or pipe.

Ground Cover

Distance between the ground surface and the crown of the pipe.

Ground Mat

Metal mats rolled out on either side of drill rack for operators and crew to stand on during operation to give grounding protection in case of electrical strike.