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Oil Field – Causeways and Islands
The scope of the Manifa project comprises the design and construction of some 41km of main causeway and associated lateral (secondary) causeways which provide vehicle and services access to 25 drilling / production islands and two water injection islands. The proposed scheme also includes the design and construction of bridges and culverts, dredging works, berthing areas, roll-on / roll-off (Ro-Ro) facility and the partial demolition and clearance of existing subsea pipelines.
The assignment of SECO consisted in an independent third party technical inspection of different types of civil works such as quay walls, access viaduct, bridges and slope protection of all causeways and islands.
Additionally a quality control scheme was set-up for the access viaduct and the bridges, that were built by a subcontractor (prefabricated elements in prestressed concrete).