Reinforced Thermosetting Resin; a form of thermoset plastic pipe within the GRPGlass Reinforced Plastic, a family of rehabilitation linings. Often generically known as Reinforced Plastic Mortar (RPM) and Reinforced Thermosetting Resin (RTR). family.
That part of precipitation carried off from the area upon which it falls. Also, the rate of surface discharge of the above. That part of precipitation reaching a stream, drain or sewer. Ratoride; a form of thermoplastic PipeA long tube of clay, concrete, steel, metal, wood, etc., for conveying water, gas, oil or other materials..
A vertical support mechanism to hold the casing in position while starting (collaring) the bore.
See Cradle MachineA boring machine typically carried by another machine that uses winches to advance the casing..
As used in determining reinspection interval; a fractional multiplier, based on priority rating, to ensure sewer segment reinspection prior to becoming not fit for use.