Pipe relining is one of the few pipe rehabilitation methods that rarely need any form of excavation. Also, if there is digging that must be done, it’s completely minimal and won’t cause any disruption to the nearby establishments and even structure of the buildings. Pipe relining is a step-by-step process that requires accurate positioning and top notch resin materials. In this article, we’re going to discuss how the pipe relining operation is done.
CCTV Camera Inspection
With most pipe repair nowadays, you can’t immediately begin the repair or replacement without any info or clear idea on what’s happening inside the pipeline as well as the condition of the structure. There is a high risk of failing if the pipe repair or replacement immediately commences which is why an inspection must first be conducted. Checking out the pipes isn’t really a hassle nowadays since what the repair crew needs to do is just place a CCTV camera inside the pipelining unlike in the past where digging must be done to get a closer look on the pipeline.
Pipe cleaning and clearing
It’s most likely that there are debris and other forms of residue in the pipeline. These objects are the cause of clogs in the sewer line, and will also create problems during the relining process ―— which is why the pipes must be cleared out from any dirt, grime, and other obstacles that may affect the operation. Usually, the repair crew will use a water jet and use powerful bursts of water to clear out the inner lining of the pipeline. There are instances in which the pipes won’t be able to withstand the water pressure due to its frail condition. In this case, the weak pipe must be removed from the lining in order for the water pressure cleansing to commence.
Placing the resin liner
Now that the pipe has been thoroughly cleansed in the pipeline, it’s now ready to be inserted with the resin liner. To properly position the resin liner, it is adhered onto a bladder. This bladder can smoothly go through the structure of the pipeline and help put the resin liner in place. Once the resin liner is in the intended position, the bladder will then inflate to allow the resin liner to stick onto the lining of the old pipes.
The resin liner can bond with the host pipes on its own, but it will take a very long period of time. To make the curing process a whole lot faster, the resin liner is exposed to heating elements. Pipe relining companies usually pour hot water or filter hot steam into the resin liner to accelerate the curing process.
One more inspection
The pipe relining process doesn’t stop with the curing process since there is another important step that must be done. There may be some mistakes or miscalculations during the insertion of the liner and the curing procedure, which is why one more final inspection is done to confirm the accuracy and success of the pipe relining process.