Kranji Deep Tunnel Sewerage System (DTSS)

12.6 km tunnel from Kranji Sewerage Treatment Plant to approximately 1.3 km east of the Seletar Expressway flyover to Lentor Avenue. Along the proposed tunnel, there are 10 permanent access shafts, and the Odour Control Facility at the Kranji Sewerage Treatment Plant.

Kallang & Paya Lebar Expressway (KPE)

KPE is a 12 km long expressway that connects the East Coast Parkway (ECP) in the south to the Tampines Expressway (TPE) in the north. SCAE is the consultant in the construction of approximately 8.5 km of main tunnels, eight interchange with four on/off-slip roads, at-grade and depressed roads, upgrading and recambering of existing ECP.

Light Rail Transit (LRT) for Sengkang & Punggol

The Bukit Panjang Light Rapid Transit System is the first Light Rapid Transit(LRT) project built in Singapore while the Sengkang and Punggol Rapid Transit Systems are currently under construction.