The Construction of Trans-Kalabari Highway

The original project consists of the construction of 5 Bridges to link Tombia with Eagle Island area over the Delta of the Bonny River, due to the existence of oil Finery and navigation of large oil tankers the project was relocated to start from Rumuolumeni to Tombia. The section involves the construction of an approximately 9 Km long on an embankment involves a 2 lanes road and featuring two crossings over bodies of water the required navigational clearance mandates the use of balanced cantilevers bridge method for the two crossing one of 350 meter length and second of 450 meter length, Including one round about at each end of the project. The embankment work involve swamp area which will require stabilization and consolidation methods such Prefabricated Vertical Drain, Geosynthetic Encased Sand or Stone Columns and or Geosynthetic Basal Reinforcement The bridges works include installation in water of 30 meter, 1200 mm piles, construction of pile caps, piers, pier caps, execution of the balanced cantilever on bearings length between 40 and 88 meters between piers, installation of new jersey barriers, all drainage work and the installation of expansion joints, with curb stone and sidewalks.