Dike Works for the Nouvelle Route du Littoral (NRL): Reconfiguration D5 La Possession and D3 Grande Chaloupe

Dike works for the Nouvelle Route du Littoral (NRL): The firm tranche includes the reconfiguration of dike D5 at La Possession, comprising the dismantling of existing dike elements (sea-spray walls, reinforced slopes, artificial block armor, sub-layers, rock trenches), the construction of the lower D5 dike (core reprofiling, sub-base embankment, sub-layers, artificial block armor, rear slope, anti-scour mat, connection to RN1), and the upper D5 dike (sea-spray walls with raising, reinforced gabion slope, contiguous embankments behind abutments, road embankment up to the lower sub-base level, lightweight embankment, deep drainage, reinforced slope toe channel). Maritime works such as sea excavation and rock revetment (0.2-1 t) for anti-scour mats are excluded and will be procured separately. An optional tranche covers the reconfiguration of dike D3 at Grande Chaloupe, including the dismantling of existing dike elements (sea-spray walls, reinforced slopes, artificial block armor, sub-layers, rock trenches) and the construction of the lower D3 dike (core reprofiling, sub-base embankment, sub-layers, artificial block armor, rear slope, anti-scour mat, connection to RN1), further items as per the tender documents.

Tender documents

Additional details