The operator of the high-pressure crude oil pipeline requested additional protection due to the planned construction of a motorway above this 20-inch line. The pipeline should be strengthened for a length of 40-meters.
Wrapping a pipeline of such a diameter for 40 meters is a job that requires good organization. A blasted and clean surface of the pipeline should be wrapped as soon as possible to avoid flash rust. Irregular surfaces will be treated by a Putty, a compressive modulus filler, followed by applying the Primer for an optimal adhesion between the wrap and the pipeline. The process of mixing and setting of these two-component epoxies is irreversible. The surface still needs to be a bit sticky when the impregnated carbon cloth is wrapped around the pipe. The whole process should be performed in steps and the team leader should keep all crew members busy during the installation.
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Tank parks are located all over the world. Many of these tanks contain crude oil or derivates of oil. Characteristic for these tanks is the floating roof. This floating roof moves up and down in relation to the volume of the tank. These roofs are subject of corrosion attack. Holes due to corrosion in these roofs need to be fixed for safety reasons.
Oil storage tanks are huge and the floating roof of a tank can have a wingspan of tens of meters. Wrapping the complete roof would be a ridiculous task and a very costly operation. Also hot work in these areas is not possible because of the flammable and explosive materials in the tank. In such cases we will perform the repairs by using a combination of plates, to cover the holes glued to the roof itself, and carbon cloth patches. Also here Putty (compressive modulus filler) and Primer are applied prior installing the carbon patches. Preparation of the roof is done by using pneumatic tools to roughen the surface.
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