Civil works, Erection & Commissioning

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Relying on a wide range of internal expertise, Fives manages large scale projects including civil works, equipment or plant erection, and on-site works supervision.

Civil works

Upon the contract scheme, Fives can take in charge the civil works execution.

Fives’ civil engineers, who are familiar with the appropriate industrial civil engineering techniques such as slipform, post-tension system, anti-seismic devices, piling works…, select civil works sub-contractors according to strict specifications.

A pool of specialists is dedicated to site supervision to manage the execution works and ensure a timely completion within quality & safety requirements. 

Right from site mobilization, up to sub-contractors management, Fives’ supervisors constantly communicate with engineers in charge of the studies:

  • Adaptation of design according to unexpected events
  • Time schedule for the reception of the drawing adapted to the progress of the works
  • Adaptation of the foundations design according to the real nature of the field

Plant erection

From preliminary basic engineering, Fives specialists, who are specialized in erection specification, contract management and site works supervision, are mobilized on the project. This dedicated team selects locally the required sub-suppliers and sub-contractors to perform the mechanical and electrical equipment erection.

During the contract execution, local contractors are managed by Fives experienced supervision teams, ensuring the overall execution responsibility for erection works.

In case of plants upgrades or modification projects, experienced engineers define precisely the required site activities procedures and quality controls.

Plant commissioning

Fives pays a strong attention to plant commissioning to ensure a successful handing over to the End-user. Right from the design stage, Fives’ teams are organizing equipment and plant design considering commissioning constraints.

During shipment and construction activities, Fives executes site works to ensure a smooth and staged commissioning of the facility, relaying on a strong HSE & Quality organization.

To achieve an efficient checking, tuning and ramp up of each system, Fives mobilizes on site its own resources as well as those of key suppliers involved into the project.

Finally, Fives proposes and implement a comprehensive training program to Client operation & maintenance teams to support them during plant take over and reach nominal performances in the best conditions.

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  • Erection_of_steel_floor_within_preheater_tower

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Information on data processing

As a data processor, FIVES implements personal data processing when managing your contact request. The data collected are required for this processing and are retained, unless you object, for a period of 6 months from the last contact between you and FIVES. If the information is incomplete, FIVES will not be able to respond to your contact.

The data collected are exclusively for the use of FIVES departments.

Pursuant to current legislation, you have the right to request access to data concerning you, their correction, deletion and portability, as well as a right of limitation over processing of your data.

These rights can be exercised by email to or by post to the Data Protection Officer at the following address: FIVES, 3 Rue Drouot, 75009 Paris, accompanied by a copy of an identity document.

In case of a dispute involving processing of your personal data, you have the right to make a complaint to the French Data Protection Agency (CNIL).

To find out more about our personal data protection policy click here


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