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Hamriyah power and desalination station
Project overview
The Hamriyah Station, owned and operated by the Sharjah Electricity & Water Authority (SEWA), was developed in multiple phases to meet increasing market demands. Phase I focused on boosting power generation capacity, while Phase II introduced a 20 MIGD reverse osmosis desalination system to process seawater into potable water.
In 2013, Six Construct was awarded the contract to build a new seawater intake and outfall system to support the plant’s expansion. The project was divided into three packages and required a unique combination of technical disciplines - an area where Six Construct excels.
Scope of works
Construction of a seawater pumping station with a capacity of 420,000 m³/h, including 7 drum screening channels, a distribution bay, and pump chambers
Excavation down to -10.50 m LAT, supported by a cofferdam and deep well dewatering system
Construction of a reinforced concrete structure (48,000 m³ of concrete, 8,000 tons of steel) on a raft foundation partially supported by 162 bored piles (800 mm diameter)
Installation of a wing wall combining tangent piles and anchored sheet pile walls
Finishing works including epoxy coatings, GRP handrails, gratings, and curved covers
Removal of the existing breakwater and installation of a new 280 m breakwater using 2,000 precast CORE-LOC transported from Ajman
Installation of navigation aids and an oil boom
Construction of a 1 km outfall system comprising:
An upper reinforced concrete channel (16,000 m³, 2,000 tons of steel)
A transition structure with a secant pile wall and underwater concrete slab
A lower channel with rock protection along the banks
Highlights
Pumping capacity: 420,000 m³/h
Excavation depth: -10.50 m LAT
Breakwater: 280 meters with 2,000 precast core-locs
Foundation: 162 bored piles (800 mm diameter)
Multidisciplinary execution: Seamless integration of marine, civil, and foundation works
Strategic impact: Supporting Sharjah’s growing energy and water needs
Project details
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