The project comprised the sub-structural and super-structural works of the Baseline Road Flyover over the railway line at Dematagoda, considered one of the busiest railway intersections of Colombo.
The Main Contractor for the project was Kumagai Gumi Co. Ltd of Japan.
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The construction of this 99-m long post-tensioned bridge involved the casting of post-tensioned beams (3 I-girders each 32.8m long) and the construction of the abutments, retaining walls and piers.
Kumagai Gumi Co. Ltd of Japan was the Main Contractor for the project, and the bridge was designed by Oriental Consultants of Japan.
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Spanning through the Kelani River which runs across Colombo, the bridge was designed by Japan Bridge Structure Institute, and its construction was carried out under the guidance of Main Contractor Kajima Corporation of Japan. Due to the unanticipated volume of traffic crossing the river (nearly 200,000 vehicles per day), the scope of the...
The project for improvements to Kahatagasdigiliya – Dematawewa road 20km in length was carried out amidst the North-East War which had gradually spread towards the Dematawewa border of the project during mid-2006. The situation further worsened due to the interruption of supply of 60/70 bitumen and shortage of construction material due to a...