Pitting Factor

The depth of the deepest pit divided by the “average penetration” as calculated from weight loss.

Planner

Individual who defines and schedules maintenance (including inspection) activities and provide coordination between operations and work groups.

Planting Piping

Installation procedure that digs a trench and lays the pipe in one step.

Plastic

Any of a variety of thermoplastic and thermoset material used in sewer construction (e.g., high-density polyethylene, polypropylene, PVC, fiberglass reinforced plastics, polyester felt reinforced pipe, epoxy and polyester mortars, etc).

Plasticizer

An admixture to cement to make a mix more fluid without the addition of more water.