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The factory called Nu Flow to CCTV camera inspect a problematic effluent pipe which drains all the waste from the Nestle plant to a processing plant where the water is recycled. The pipe was constantly blocking.
A CCTV camera inspection revealed that the bottom of the pipe was eaten away from the very acidic chemical waste been washed down the pipe from Nestle’s production process. In some section the entire bottom of the pipe was missing allowing large volumes of waste to seep into the ground.
This is a problem for 2 reasons:
1) Soil contamination.
Over a prolonged period of time the soil becomes contaminated which has environmental impacts.
2) Compromise on structural integrity of buildings.
Water leaking into the ground under buildings can compromise the structural integrity of the building, foundations and can cause soil movement resulting in cracks in walls, sinkholes and ground to collapse.
Nestle could not easily have the pipe replaced as it runs under sections of the factory, roads and even the section under ground were over 3 meters deep. A pipe replacement would require section of the factory to be closed during the process which would result in a massive loss of production and income for Nestle.
Nestle turned to Nu Flow for a faster, less disruptive process.
Nu Flow relined over 300 meters of 160m and 200mm pipe at Nestle using structural liners impregnated with Nu Flow’s high temperature and chemically resistant epoxy suited for these type of industrial applications.
How it works:
The pipes were first cleaned using high pressure jetting
Once the pipe is clean, an epoxy saturated liner is pulled into the pipe.
With in the liner is an inflatable bladder.
When the liner is in the correct position the bladder is inflated and left inflated until the epoxy has cured.
Once the epoxy has hardened the bladder is removed leaving behind a “nu pipe” within the host pipe.