Design and Build Contract for Wakrah and Wukair Drainage Tunnel

The Project comprises the design, procurement, construction, testing, commissioning, completion, defects correction and handing over of approximately 13.3 km long double lined sewage drainage tunnel of 4.5m inner diameter with 4 access shafts, 4 working shafts up to 60m deep, with provisions for future connections, ancillary hydraulic structures and Odor Control Facility.