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In 1994, Koh Brothers secured the project at the Lorong Halus Interchange of the Tampines Expressway with a contract sum of $39 million. This project involves the construction of an elevated interchange together with an expressway on ground level. It is the only flyover constructed over a waste landfill area in Singapore.
With our expertise and the technical know-how in the specialized field of environmental engineering, Koh Brothers could meet the unusual conditions of the ground which required special treatment and facilities.