Cured-In-Place Pipe: A Cost-Effective Solution for Pipeline Rehabilitation
What is Cured-in-Place Pipe?
Cured-in-place pipe (CIPP) is a trenchless technology used to rehabilitate existing pipelines without the need to excavate. It involves inserting an uncured polymer resin-saturated tube into the host pipe using heat, pressure or water. The tube is then inflated and pressed against the interior wall of the existing pipe, taking the shape of the host pipeline. The resin is then cured using hot water, hot air or UV light, forming a new pipe within the existing pipe.
Benefits of CIPP
CIPP provides a structural rehab without digging or excavation, which minimizes disruption to residents, traffic and businesses. Some key benefits include:
Cost Savings: Cured-In-Place Pipe rehabilitation costs far less than open-cut replacement as it does not require excavation. Less manpower, equipment and restoration is needed resulting in significant cost savings especially for large diameter pipelines.
Minimal Disruption: Installation does not require cutting open trenches or roads. Disruption to communities and traffic is limited since it's an interior lining process with minimal surface presence.
Durability: The finished CIPP becomes an impermeable, structurally sound pipe within the existing host pipe. It can last 75 years or more and provides structural strength and joint integrity that exceeds the deteriorated host pipe.
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