Australian firm wins Trojena dams subcontract

3 April 2025

Australian firm Glaass has won a subcontract from Italian contractor Webuild for the Trojena dams project in Neom, Saudi Arabia.

In an official statement, the firm said its contract scope covers providing comprehensive quality, health, safety and environmental services for the project, which involves around 2,800 field workers.

Neom awarded Webuild a $5bn contract in late 2023. The deal covers the construction of three dams that will form a freshwater lake for the Trojena ski resort.

The main dam will be 145 metres high and 475 metres long at its crest. It will be built using 2.7 million cubic metres of roller compact concrete (RCC).

Some 650,000 cubic metres of RCC will be used to build a dam within the planned lake, creating an island below the water level.

The kidney-shaped dam will be 38 metres high and 700 metres long. It will be connected to the nearby Lake Village by an underwater tunnel. The landscaping and other attractions within the dam are known as the Enchanted Forest.

The third dam will be 65 metres high and 490 metres long at its crest. It will be constructed using 4.15 million cubic metres of rockfill. The works also include the lakebed line and the foundations for the Bow Building, a concrete structure at the end of the lake that will overhang the valley below and incorporate a hotel.


Hear directly from the gigaproject owners at the biggest construction event—The Saudi Giga Projects 2025 Summit, happening in Riyadh from 12-14 May 2025. Click here to know more


MEED’s April 2025 report on Saudi Arabia includes:

> GOVERNMENT: Riyadh takes the diplomatic initiative
> ECONOMY: Saudi Arabia’s non-oil economy forges onward
> BANKING:
 Saudi banks work to keep pace with credit expansion
> UPSTREAM: Saudi oil and gas spending to surpass 2024 level
> DOWNSTREAM: Aramco’s recalibrated chemical goals reflect realism
> POWER: Saudi power sector enters busiest year
> WATER: Saudi water contracts set another annual record
> CONSTRUCTION: Reprioritisation underpins Saudi construction
> TRANSPORT: Riyadh pushes ahead with infrastructure development
> DATABANK: Saudi Arabia’s growth trend heads up

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Yasir Iqbal
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