Riyadh, Saudi Arabia

RIYADH WATER SUPPLY: STRATEGIC STORAGE TANKS AND SAAD AQUIFER CATCHMENT

Client

National Water Company (NWC)

Year

2020

Construction budget

EUR 690 million.

Key facts

110 km steel pressure pipe network, with pipe diameters varying between 300 and 1,200 mm. Wellfield with 78 boreholes up to 650 m deep. Submersible pumps (Q up to 257 m3/h, 356 m manometric head). Reverse osmosis treatment plant for 360,000 m³/day. 4 large groups of steel reservoirs 1,000,000 m³ each group, with 6 x 166,000 m³ reservoirs per group. 2 pumping stations. 1,400 m³/h flow. 170 km medium voltage overhead power lines, and a 33 kW electrical substation. Integrated SCADA system. Ancillary facilities: chlorination, pumping, remote control and control buildings and systems. Site development.

Services

Design review and construction supervision.