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NEW Coastal Road (NCR) The ZOURITE barge leaving for Reunion Island

31 mars 2016

The construction site of the New Coastal Road is now in its active and application phase. A new infrastructure that concerns every inhabitant of Reunion Island, the construction site is now part of our daily lives. Updated details of construction activity in April 2016.

The barge Zourite leaving for Reunion Island

Zourite (‘Octopus’), the barge that took 16 months to be constructed and will be used for transporting and installing the lower sections of the viaduct (the piers), left Poland on 30th March. It took three days to load Zourite onto a semi-submersible, along with some of the maritime structures that will be used for the construction and it will take 40 days to sail from Poland to Reunion Island. This impressive fleet will not be visible in the bay of La Possession until 10th May and the barge will only start working at the end of June.
You can see the videos of Zourite on the YouTube channel of the Viaduct.


Production of the components for the Coastal Viaduct is speeding up

From now on, four production sites for the voussoirs have become operational and, in April, two new production sites will be opened. For the precast elements, 16 voussoirs have already been manufactured, as well as 4 base sections (lower sections of the piers) and 2 upper shafts (upper sections of the piers) that have been cast in concrete.

The trucks in the starting blocks

The three trucks that will be used to transport the voussoirs have been assembled and are ready for use. In April, a new training session is to be organised, aimed at enabling the drivers to become familiar with these exceptionally sized trucks and authorising them them to do so.

Beginning of work on the 1st land pier

The pillars for abutment C49, the first support of the viaduct at La Grande Chaloupe, will be drilled into the ground (foundations).


The voussoirs become visible

The voussoirs for the central beam of the viaduct are being produced, and construction of the voussoirs for the abutment will soon begin. The lower sections of the voussoirs are precast in “fairground fashion”, meaning they are made directly on the construction site, before being assembled on the transport equipment. The concrete of the upper section is then “poured on site”.


Emerged and undersea sections of the dikes

Construction of the dikes, at the Grande Chaloupe end and soon at the Saint-Denis end, can be seen from the shore. These dikes consist of a first row of rocks, the core, then successive layers, the purpose of which is to protect the structure from the sea. The final layer consists of precast concrete components, called Accropodes®, the first layers of which lie under the sea. To place each component in its exact location, divers work in coordination with crane operators, communicating by radio.


Protection of the sea birds : dedicated measures set up

In the context of the operation entitled “Villes sans lumière” (Lights Out), on 8th and 15th April some petrels will be released on the construction site of the dike at the Saint-Denis end. Since the beginning of construction work, specific measures to protect sea birds have been applied. These measures are structured around three main principles :

  • No nightlights for a period 50 days (corresponding to the period of reproduction of the sea birds observed on site)
  • A specific lighting system set up on the construction site to avoid attracting the sea birds (directed towards the ground and of an orange-yellowish colour)
  • Application of a specific protocol by all the companies involved for grounded birds that might be wounded/disorientated. Up till now, no grounding of birds linked to the construction site has been noted.


7 continuous-track crane operators trained to work on the Coastal Viaduct

The training of continuous-track crane operators, organised by the AFCE, will ultimately make it possible to hire 7 operators for these specific machines, used to work on the Coastal Viaduct. Following this 19-day training course, the operators will obtain a certificate of training in accordance with a CACES® GRUE TREILLIS SUR CHENILLES 2A qualification.