Hamriyah Power and Desalination Station

The seawater pumping station (420,000 m³/h) uses 7 drum screening channels, a distribution bay and pump chambers. The temporary works included the installation of a cofferdam and a deep well dewatering system, which required an open excavation reaching -10.50 m LAT. The reinforced concrete structure (48,000 m³, 8,000 tons of steel reinforcement) was built on a raft foundation installed partially on 162,800 mm diameterbored piles. The wing wall of the pumping station is a combination of tangent piles and an anchor sheet pile wall. Six Construct also took care of the finishing touches, such as epoxy coatings, installationof GRP handrails, gratings and curved covers, and so on.

After the removal of the existing breakwater and protective core-locs (2,050 nos) in front of the temporary cofferdam, Six Construct built a new 280m breakwater to open up the reclaimed land. Precast core-locs (2,000 nos) from our yard in Ajman were transported to the site by barge. In addition to the new basin revetment, the team also installed navigation aids and an oil boom.

The outfall system of nearly 1 km consists of three parts: a reinforced concrete upper channel (16,000 m³, 2,000 tons steel reinforcement); a transition structureusing a secant pile wall and an underwater concrete slab; and the lower channel with rock protection along the banks.