The works were carried out at the industrial facilities of Hellenic Petroleum SA, in Elefsina, Attica, and included the following:
§ Construction of internal and external scaffolds for the towers and pressure tanks
§ Blinding and opening of external access manholes
§ Dismantling of internal tower and tank ports so that the inspection department of the refinery could enter
§ Internal cleaning of equipment using mechanical means and high pressure water blasting
§ Replacement of catalyst in reactors based on the refinery procedure under the supervision of foreign company
§ Local repairs of trays and replacement of screws and valves
§ Internal & external closing, removal of scaffolds and restoration
§ Hot bolding upon the production units starting to operate with torque wrenches based on the procedure
When the unit was stopped, local replacements of pipes C.S, diameter ranging from ½’’ to 24’’ were carried out.
PROJECT CERTIFICATION
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