Construction and Start-up are the final phases of the implementation of a Project. During construction all the works planned during the engineering phase are carried out and all equipment and materials are installed and prepared for the operation of the Plant. Start-Up is the activity to be carried out in order to obtain the required product for the first time, from the “oil-in”  up to performance test. Start up mainly includes introduction of feedstock, reaching the operating conditions, reaching of product specifications, reaching of Plant design capacity, Plant alignment and performance tests.

Construction and Pre-Commissioning

Construction and Pre-Commissioning are the final phases of the implementation of  a Project, during which all the works planned during the Engineering phase are carried out and all equipment and materials are installed and prepared for the operation of the Plant.

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Commissioning and Start-Up

Start-Up is the activity to be carried out in order to obtain the required product for the first time, from the “oil-in” up to the plant performance tests.

Before the “oil-in“, a number of activities like the cold running of the machinery, loading of catalyst and chemicals, and purging with inert gas, are carried out. These activities are usually referred as “Commissioning“.

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