Pipelining Process

Our cured-in-place pipelining repair process is time-tested and widely-used method for repairing broken, cracked, and failed sanitary sewer pipes. Save your landscaping, your driveway, the foundation of your home or business, and avoid disturbing your neighbors with a muddy mess, detours and loud construction noises for weeks at a time.

With the staggering costs of traditional digging and pipe replacement, the services offered by the Pipelining Company make sense. Why choose any other method? Cured-in-place pipelining can save you money when repairing all kinds of pipe including cast iron, clay, PVC, Orangeburg, HDPE, ABS, concrete pipes, etc.

The Pipe Lining Installation Process

Our pipe lining process uses heated conditioned air to move a non-toxic abrading agent through designated pipe runs and segments. The movement of the agent through the pipe dislodges the corrosion buildup and transports it to an exit opening in the pipe where it is collected in a cyclonic grit unit and dust collection system. The waste corrosion product is non-toxic and easily disposed of without any harm to the environment. The result is a clean, rust-free polished surface inside the pipe.

Following pipe cleaning, a potable water safe, liquid epoxy is distributed through the piping using heated controlled air flow to facilitate optimal adhesion and curing. The pipe lining will cure within 12-24 hours, after which time the system is reassembled and returned to service next day. The result is a smooth and durable finish resistant to further corrosion and deterioration.

Step 1: Pipe system diagnosis and set-up

The existing pipe system is inspected for integrity and spot repairs on excessively worn joints and fittings are made where necessary. Valves are removed and their locations temporarily fitted with unions and/or couplings which remain through the restoration sequence. Sitting water is drained from the pipe system and air is introduced into the system to test for leaks. Temporary bypass water piping provisions are installed as necessary.

Step 2: Pipe cleaning

The pipe runs being restored are dried with heated compressed air to remove all moisture. The air medium is then used to distribute an abrading agent throughout the pipe to remove all rust and corrosion products. The removed corrosion material is subsequently gathered into a collection unit. Air is again surged through the pipe to remove any residual debris and dust fines.

Step 3: Pipelining

The cleaned pipe system is re-heated to create an optimal internal pipe surface environment prior to epoxy coating. An air pressure leak test is again performed prior to coating. Conditioned air is then introduced into the pipe to uniformly distribute the epoxy lining throughout the pipe segment. Following the coating application, continuous controlled air is sent through the piping to facilitate epoxy curing.

Step 4: System re-assembly and evaluation

After the lining is cured, all removed valves and fittings are returned to their original locations. A final leak test and inspection is performed. Water quality, volume and flow are tested.

Certified and Approved Pipe Lining Materials

Our pipe lining materials are laboratory tested and certified. They exceed specifications and standards set by the American Section of the International Association for Testing Materials (ASTM). They last a minimum of 50 years and are environmentally safe.

The pipeliner materials we use are made from flexible, double layered felt with one strong coarse fabric reinforcement layer. The tubular liner is sized correctly so it expands and fits tightly within the circumference of the original pipe. The tube’s outside layer is coated with a 2mil thick Polyvinyl Chloride finish.

Key Benefits of Pipe Lining

  • Can be used on pipes 2-12 inches in diameter
  • More affordable than traditional digging (no clean up costs)
  • Takes far less time that traditional digging
  • Certified Pipe Lining materials from the top manufacturer
  • Seals holes and cracks
  • Seals bottomless cast iron
  • Smooths out big offsets
  • Fills missing pipes
  • Seals joint connections
  • Seals storm drain lines

Pipelining can be used to repair:

  • Under-slab pipelines
  • Infiltration/exfiltration
  • Electrical conduit
  • Sewer lines under landscaping, driveways, slabs, etc.
  • Vertical wet/dry stacks in condo and apartment buildings
  • Root damaged pipes
  • Roof drain vertical pipes

 



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