There is an increasing use of the cured in place pipe MN because of the benefits that can be obtained from it. One advantage of this system is the shortened time of completion compared to the traditional system employed in repairing damaged drainage systems. Another reason why more contractors are using this method is the less cost that can be incurred from the process. There is also no danger of explosion even if the sewer contains hazardous and combustible chemicals.
The main idea of this method is to apply epoxy resin to the cracked portion of the tube to seal the leak. This manner of repair also allows another layer of lining to be placed on the inside the old tubing, thus creating two layers of protection. This new easier process of repair is performed in several stages.
To start the lining procedure, a lining made of industrial grade felt is inserted into the cracked tube. The type of liner depends on the material and waste that is transported inside the drainage system. The durability and flexibility of the felt makes it possible to make it fit in any size of tube and can be bent in relation of the system.
The tubes are filled with the adhesive mixture before the insertion to the pipes. The mixture called epoxy will help bind the new lining to the damaged portion of the sewer system. Loading the pipe with the mixture beforehand will enable the contractor to apply the resin easily.
To position the mixture in place, air is blown into the tube with the epoxy to force the adhesive to reverse and coat the outside the lining instead. This effectively positions the adhesive between the liner and the old tube. This blowing procedure can be done with the use of a vacuum machine.
The previous steps are faster than the traditional system. Letting the resin set sufficiently to cure sometimes takes a considerable amount of time. To accomplish this part faster, warm air is blown and maintained until the epoxy is thinned and has spread out sufficiently. This results to a faster curing process.
Once the mixture is totally cured, it can be attached to the manholes of the sewerage system. The tools and equipment required for this procedure is a jackhammer, an excavator, a dump truck, asphalt, and a hole pipe that is filled with epoxy. You will also require a remote controlled cutter that is fitted with a tv camera, and a resin mixture that is compatible with CIPP.
Using the jackhammer, break the asphalt to reach the base soil. Remove the rest of the soil using an excavator until the CIPP is reached. Position the manhole filled with epoxy into the excavation. Insert the tv-controlled cutter into the CIPP up to the area where the manhole is positioned. Make a cut on the tubing, the size that should be able to accommodate the manhole.
Position the manhole over the hole made by the cutter. Cover the point where the manhole connects with the piping with a water tight seal. Make certain that the resin used in the application is compatible with the CIPP. Allow to cure sufficiently. Seal the top portion of the manhole connected on the cured in place pipe MN installation with asphalt.
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