The Circle Line is a 33km extension to the Singapore mass transit system comprising 29 stations. Project C852 involves the construction of the station at Serangoon and the interconnecting bored tunnels to Lorong Chuan and Bartley Stations.
Diaphragm wall: length 363m; surface area: 14,020m2; depth: up to 55m; thickness: 1.0m
Barrette Piles: number: 44; surface area:8,283m2; depth; up to 62m; widths: 1000mm & 1200mm; length: 2.8m, 6m, 7m & 8.4m
3,600 tonne preliminary load test.