Pipeline Rehabilitation and UV Cured Lining



Ultra-Violet Cured-In-Place Pipe Lining


Constantly seeking new advancements within the industry, Downstream Services, Inc. offers the trenchless technology of UV Cured, Glass Fiber-Reinforced (GFRP) lining for the rehabilitation of industrial, storm, and sanitary sewer pipes. As a West Coast authorized installer of Reline America's, Inc.'s ALPHALINER™, Downstream Services, Inc. proposes this alternative solution to the traditional method of "dig and replace" pipeline rehabilitation.




 

The glass-fiber reinforced plastic (GFRP) lining system is guaranteed to extend the life span of underground infrastructure by 50 years. Downstream Services, Inc. has successfully installed this liner in pipes ranging from 6 to 54 inches in diameter for the US Department of the Navy, California Department of Transportation, and various cities throughout California. Check out our Storm Water magazine write up under "Change Pipes - No Digging."

ALPHALINER™ UV cured liners are cost-effective due to the short installation time and minimized construction footprint. Significantly, the trenchless application of the ALPHALINER™ system is environmentally friendly by incorporating "green" installation techniques resulting in no liquid waste, low energy usage and less construction noise. The impregnation of the fiberglass with the resin is performed at Reline America's, Inc.'s factory to meet each project's specifications, thus eliminating Styrene contamination due to job site "wet-outs". The trenchless pipe repair liners are encapsulated in UV-blocked film fitted containers which allow the lining to be stored at ambient temperatures for up to six months. Better mechanical characteristics and a lower wall thickness than conventional synthetic fiber CIPP ensures a sustainable finished product for its intended design life and beyond. Downstream Services offers trenchless pipe replacement services to San Diego County, Los Angeles County and a variety of other southern California cities.







Key procedures for trenchless installation:


  • The host pipe is visually inspected to confirm the project specifications and evaluate existing pipe conditions
  • The host pipe is then hydro-jetted and cleaned.
  • A slip sheet is placed into the pipe to protect the liner during insertion.
  • The impregnated, spirally wound, seamless fiberglass ALPHALINER™ is pulled in place from manhole to manhole.
  • The pipe liner is protected by an inner and outer film to act as barriers against Styrene emissions, possible infiltration fluids, and physical obstructions.
  • Once the liner is in place, it is capped at both ends and is then pressurized causing the pipe line to expand and firmly contact the host pipe.
  • The Ultra-Violet light train is inserted into the liner to initiate the curing process, which is digitally recorded utilizing infrared sensors. The curing speed is determined by the line diameter, thickness and reaction temperature.
  • A televised inspection of the liner is conducted to view and evaluate the curing process.

  • The ALPHALINER™ cusystem presents the most effective pipe rehabilitation alternative based on the following:

    • Superior structural strength (Modulus of Elasticity of 1,100,000-psi).
    • Excellent hydraulic characteristics and superb porosity and water tightness performance.
    • Speed, simplicity, and ease of installation.
    • Minimal planning and site preparation requirements.
    • Tamper-proof CCTV inspection of the pipe and continuous monitoring of the liner before and after cutting.
    • No Styrene liquid by-product waste, trenchless and environmentally friendly.

    Additional information on this process and its benefits can be found on the RelineAmerica website.





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