This light vehicular arch bridge was designed as an access to the Ruwanpura National College of Education at Ratnapura.
The project won the ICTAD Construction Performance Award in 2002 in recognition of the innovative technology used in its construction, such as the formwork system used for the formation of the bridge arch.
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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...