South Arm Highway

Scope of Works:
Major upgrade of existing single-lane two-way undivided highway to dual-lane two-way divided highway in a high-density urban environment with an annual average of daily traffic of approximately 27,000 vehicles.

The project included:

Planning and construction of side tracks
New safety installations, including upgrade of intersection with installation of traffic lights and new turn lanes
Wire rope safety barrier and W-beam barrier
Street lights
Dual-lane pavement construction over 165,000 m2
Construction of integrated F-type barrier retaining wall
Working around critical underground services including water and power
Upgrade of critical underground water mains
Relocation of existing services
160m3 of imported fill
Stormwater detention basins and swale drain