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  Homepage > Activity France > Civil engineering
 
     
  Civil engineering    
In the water and environment sector, many infrastructure facilities still need building, extending or modernising. The BCEOM and Egis Eau teams are competent to design, calculate and supervise the construction of civil engineering structures and equipment required for projects.
Our expertise
Experience

Our expertise

Hydraulic developments and structures: weirs, dams, locks, flaps, etc.
Water treatment plants and sewage networks.
Drinking water reservoirs.
Maritime and port structures: breakwater, quays
 

 

Experience

   

Programming assignment for the port of Faratea

The archipelago of French Polynesia is more or less totally covered by air for passenger transport and by sea for freight transport. The island of Tahiti, with the port of Papeete and Faaa International Airport deals with most outside traffic which is then transferred to the other islands in the archipelago.
The port of Papeete, which is the hub of this arrangement, has insufficient capacity to deal with the rapid economic development of French Polynesia. As there were only very limited extension possibilities, it was planned to build a second international port south of Papeete, at Faratea.

This port is designed to accommodate the following activities:
- industrial fishing,
- naval shipyards,
- oil berth,
- butane berth,
- containers (at a later stage).

This facility will mainly comprise:
- a breakwater made of artificial concrete blocks, 25m deep and 2000 m long,
- 2000 m of quays,
- 15 to 20 hectares of yards,
- related equipment (slip dock, travel lift, pontoons, etc.).
The investment is estimated at 350 M euros, which can be used in at least two phases.

   
   

   
         
   

Project management services for the second tram line for Montpellier

The SEMALY - BCEOM - BETEREM - GARCIA DIAZ consortium has been selected to provide project management services for the second tram line for Montpellier. This second line is 18 km long and runs from east to west. It intersects with the first line at two points to provide connections and allows exchanges in all directions.

   
   

   
         
   

Calais cross-channel ferry terminal - Improving berth 9

Cross-channel traffic in the port of Calais is considerably increasing, which means adapting ships in consequence. The ferry companies, Seafrance and P&O are renewing their fleet and using larger ships which thus reduce embarkation and disembarkation times. Calais Chamber of Commerce, which is the port operation concessionaire, is developing new fixed equipment to cope with the new traffic.

A project management assignment was awarded to the Scetauroute–BCEOM–Eurodim consortium. It concerned the following structures:
- Berth P9 to be built, to allow RODIN-type ships to be accommodated (L= 186 m, width = 27.7 m, draught 6.7 m, capacity: 800 light vehicles or 2000 m of RoRo traffic),
- Straightening the alignment of the north embankment to enable ships to reach the new berth,
- Reorganising land traffic movements,
- Equipping the new berth with a double vehicle ramp and a pedestrian ramp.

The structures to be designed are more complex due to the constraint of having to carry out the works without interrupting traffic in adjacent berths. The retaining wall of Berth 9 is a vertical sheet with a vertical clearance of 19m, to be built behind an existing sheet. The slip dock structures designed to carry the ships supports during loading and unloading operations must be able to cope with a high water line variation of 9 m.
The north embankment must be straightened without affecting the operation of the adjacent sugar berth and RoRo berth.
Furthermore, the cross-Channel ferry terminal is an enclosed area, subject to considerable safety constraints to keep illegal immigration to Great Britain under control. These constraints affect the techniques used and the way the works are performed.

The assignment awarded to the consortium involves the full range of project management tasks (preliminary and final designs, procurement assistance and bid analysis, checking and approving drawings, construction supervision and taking-over certification operations).

   
   

   
   

Cruise ship quay extension in Tahiti (Papeete)

Full project management contract won after a competitive tender.
The project aimed to provide access and mooring space for four liners of between 200 and 300 m in length and reorganise the ferry area. This project has a large urban development component. Cost of works is €25 million.

   
   

   
   

Project Management for the Urban District of Rodez

The Urban District of Rodez entrusted BCEOM with the full project management for the construction of a water treatment plant in Rodez (Aveyron) involving designs and construction supervision, monitoring and coordination, impact studies, preliminary designs and tender documents.
The project consisted of an activated sludge process with prolonged aeration. The plant's nominal rate/flow is 2100 m3/hour. The aeration basin will have a capacity of 30,000 m3 and be 10 m deep. Sludge will be treated by dehydration on press filters.

   
   

   
   

Project Management for laying piping and other drinking water supply structures in Mantes (Yvelines)

Full project management assignment awarded by the District Community Authority (preliminary designs, designs, procurement assistance, design checking, construction supervision, acceptance operations, alone or in a group with Beture Infra (with BCEOM as leader).
Following the 1992 Drinking Water Master Plan, also carried out by BCEOM, several developments to the District Community Authority's Drinking Water Supply were recommended for which BCEOM was project manager.