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Our activities

With a century of experience in maritime works, highly qualified personnel, and a large range of equipment,  Jean Negri and sons are involved in different activities.

The company, which was originally specialized in underwater works, has been able to diversify its activity throughout its existence to acquire important know-how in the field of marine engineering. Thanks to its high degree of expertise, specialization, and the quality of its equipment, the company cultivates excellence and has a solid reputation in France and abroad. By taking customer needs into account through our engineering, EJN NEGRI is able to advise, design, dimension, and build for its customers an infrastructure with a low cost of ownership. The company accompanies its clients in their dealings with public, private, or international financial backers in order to propose financing solutions.

Select a category below and discover our activities

Engineering

EJN NEGRI has its own technical design office and technical department dedicated to maritime civil engineering works. The team, made up of engineers and draughtsmen, is involved in the design of maritime works in terms of construction methods as well as in the development of equipment.

Creation, innovation, preparation, and optimization are the keys to our success.

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Types of work:

  • Pile Dock
  • Sheet pile quay, combi wall
  • Heavy prefabricated elements

Types of calculation:

  • Static and seismic calculations of quays
  • Calculation of weight docks
  • Calculation of docks on piles
  • Curtain calculations by MISS or MEL method
  • Calculations taking into account the phase of realization (prefabrication, number of concrete lifts, etc...)