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2. CCTV drain camera (plumbing) - Wikipedia

   en.wikipedia.org/wiki/CCTV_drain_camera_(plumbing)

   CCTV drain cameras, also known as sewer cameras or pipe inspection cameras, are a line of waterproof, high definition cameras that have become a widely popular technology in the plumbing profession. These cameras are advanced diagnostic tools that allow plumbers to execute plumbing inspections, called CCTV Drain Surveys [ 1 ] with heightened ...

3. Cured-in-place pipe - Wikipedia

   en.wikipedia.org/wiki/Cured-in-place_pipe

   As one of the most widely used rehabilitation methods, CIPP has applications in sewer, water, gas, chemical and district heating pipelines ranging in diameter from 0.1 to 2.8 meters (2–110 inches). The process of CIPP involves inserting and running a felt lining into a preexisting pipe that is the subject of repair.

4. Pipe bursting - Wikipedia

   en.wikipedia.org/wiki/Pipe_bursting

   Pipe replacement by pipe bursting. Pipe bursting is a trenchless method of replacing buried pipelines (such as sewer, water, or natural gas pipes) without the need for a traditional construction trench. "Launching and receiving pits" replace the trench needed by conventional pipe-laying.

5. Trenchless technology - Wikipedia

   en.wikipedia.org/wiki/Trenchless_technology

   The trenchless technology industry is represented by several industry associations in addition to standing committees within almost every water and sewer related industry association. The International Society for Trenchless Technology , established in 1986, has 25 active national trenchless technology societies associated with it.

6. Drain cleaner - Wikipedia

   en.wikipedia.org/wiki/Drain_cleaner

   High-pressure sewer jetters can be mounted on trolleys, inside vans or on trailers. The power of a sewer jetter ranges from 1,000 psi (68 atm) to 5,000 psi (340 atm). Sewer jetter nozzles come in different sizes and applications; a bullet-type nozzle with a streamlined profile can clear a hole for the larger root cutting nozzle.

7. Suction excavator - Wikipedia

   en.wikipedia.org/wiki/Suction_excavator

   Hydro excavation, a type of suction excavator using high-pressure water jets, is sometimes referred to as daylighting, as the underground utilities are exposed to daylight during the process. [2] Some suction excavators also use an air filter .