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..
Applies travel to rod or pipe.
Distance between the ground surface and the crown of the pipe.
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.
Cables connecting the drill rack to the ground mats.