Best Dam Construction Companies in the UAE

The best dam construction companies in the UAE deliver highly specialised infrastructure for flood protection, groundwater recharge, water storage and renewable-energy generation.

Unlike ordinary building or road projects, dams must safely control large volumes of water while resisting hydraulic pressure, erosion, extreme temperatures and changing ground conditions. Dam construction can involve major excavation, foundations, concrete placement, embankments, tunnels, spillways, intake structures and complex mechanical equipment.

The UAE’s dam market is relatively specialised. The country does not commission large hydroelectric dams as frequently as nations with major permanent rivers. Many UAE dams instead support groundwater recharge, stormwater management, flood protection and strategic water storage.

The Ministry of Energy and Infrastructure stated in 2022 that the UAE had 150 dams and water facilities, of which 103 were managed by the ministry. These facilities collectively support the country’s water-security and flood-management systems.

A major recent development is the Hatta pumped-storage hydroelectric project in Dubai. It uses the existing Hatta Dam as its lower reservoir and a newly constructed upper reservoir formed by two roller-compacted concrete dams. The project demonstrates the advanced civil, tunnelling and hydropower capabilities required for modern dam infrastructure.

This guide presents contractors with documented UAE dam involvement, Gulf dam-building experience or directly relevant capabilities in reservoirs, hydraulic structures and water infrastructure.

The companies are not ranked strictly from best to worst. Some are full civil-engineering contractors, while others provide specialist hydromechanical or water-infrastructure services as members of larger project consortiums.

Clients should independently verify licensing, recent experience, financial capacity, environmental performance and the availability of the proposed technical team before awarding a contract.

1. Dam Construction Industry in the UAE

Dam infrastructure in the UAE serves several purposes.

These include controlling flash floods, recharging groundwater, retaining stormwater and supporting strategic water or energy-storage projects.

Flood-protection dams

Mountainous and wadi areas can receive intense rainfall over a short period.

Although rain may be infrequent, stormwater can move rapidly through narrow channels and create dangerous flash floods.

Flood-control dams slow the movement of water and reduce peak flows reaching roads, communities and agricultural areas.

These structures may include:

• Embankment walls
• Concrete spillways
• Outlet structures
• Diversion channels
• Energy-dissipation basins
• Access roads
• Monitoring equipment
• Erosion protection

Groundwater-recharge dams

Recharge dams retain stormwater temporarily so that more water can infiltrate the ground.

This can help replenish underground aquifers instead of allowing rainfall to flow directly toward the sea.

The effectiveness of a recharge dam depends on geology, sediment management, reservoir conditions and long-term maintenance.

Water-storage reservoirs

Reservoirs can strengthen water security by storing desalinated water, treated water or captured stormwater.

DEWA commissioned a 30-million-imperial-gallon water reservoir in Hatta as part of its effort to improve water reserves and network reliability.

Reservoir construction may require:

• Reinforced-concrete walls
• Waterproofing
• Inlet and outlet pipelines
• Pumping stations
• Access structures
• Instrumentation
• Disinfection systems
• Supporting buildings

Pumped-storage hydropower dams

Pumped-storage power plants move water between a lower and an upper reservoir.

Electricity is used to pump water uphill when demand is low or renewable-power production is high. The water is later released through turbines to generate electricity when demand increases.

The Hatta pumped-storage project has a planned generating capacity of 250 megawatts and an energy-storage capacity of 1,500 megawatt-hours.

Dam rehabilitation

Existing dams may require upgrades to improve safety, storage capacity or flood performance.

Rehabilitation work can include:

• Concrete repairs
• Spillway improvements
• Sediment removal
• Grouting
• Erosion protection
• Instrument replacement
• Outlet repairs
• Slope stabilisation
• Access-road improvements

Working on an operating dam requires careful planning because the contractor must protect the existing structure and manage water throughout construction.

2. Best Dam Construction Companies in the UAE

The following companies have documented experience relevant to UAE dam, hydropower, reservoir or water-infrastructure projects.

1. STRABAG

STRABAG is an international construction group with expertise in dams, tunnels, hydropower facilities and major civil-engineering projects.

The company led the consortium responsible for the Hatta pumped-storage hydroelectric project for Dubai Electricity and Water Authority.

Hatta pumped-storage project

The Hatta facility uses the existing Saad Hatta Al Awwal Dam as the lower reservoir. A new upper reservoir was constructed approximately 150 metres higher in the surrounding mountains.

STRABAG states that the upper reservoir was created using two roller-compacted concrete dams approximately 35 metres and 70 metres high. The reservoirs are connected by a pressure tunnel measuring approximately 1.2 kilometres.

The civil works also included:

• A powerhouse
• Water intake and outflow structures
• A pressure tunnel
• Two access tunnels
• Reinforced-concrete structures
• Mechanical and electrical installations
• Supporting buildings

The project’s construction period was listed as 2019 to 2025, with a contract value of approximately €342 million on STRABAG’s official project page.

Dam construction capabilities

STRABAG’s relevant capabilities include:

• Roller-compacted concrete dams
• Hydroelectric power plants
• Pumped-storage projects
• Underground caverns
• Pressure tunnels
• Intake structures
• Powerhouses
• Conventional tunnelling
• Heavy concrete construction
• Design-and-build delivery

Why STRABAG stands out

STRABAG has direct experience leading one of the UAE’s most technically significant dam and hydropower projects.

The Hatta contract required dam construction, tunnelling, underground works and coordination with hydromechanical specialists.

Best suited for

STRABAG may be considered for:

• Pumped-storage projects
• Large concrete dams
• Hydropower infrastructure
• Mountain reservoirs
• Water-conveyance tunnels
• Complex design-and-build contracts

2. ÖZKAR Construction

ÖZKAR is a Turkish construction company with experience in dams, roads, tunnels and major civil-engineering works.

The company worked with STRABAG on the civil-engineering elements of the Hatta pumped-storage project.

Role in the Hatta project

ANDRITZ identifies STRABAG and ÖZKAR as the civil-works partners in the consortium awarded the Hatta contract in July 2019.

According to ANDRITZ, ÖZKAR brought experience in roller-compacted concrete dams, the construction technology selected for the Hatta upper reservoir.

The STRABAG–ÖZKAR civil works included two dams forming the upper reservoir, tunnels, intake structures and the underground power facility.

Dam construction capabilities

ÖZKAR’s relevant strengths include:

• Roller-compacted concrete dams
• Embankment dams
• Hydropower civil works
• Tunnelling
• Excavation
• Mountain infrastructure
• Roads and access works
• Heavy concrete construction

Why ÖZKAR stands out

ÖZKAR has direct civil-construction experience on the UAE’s flagship pumped-storage project.

Its familiarity with roller-compacted concrete is especially relevant because RCC can allow large dam walls to be constructed efficiently using concrete placed in compacted layers.

Best suited for

ÖZKAR may be considered for:

• RCC dams
• Mountain dams
• Hydropower civil works
• Tunnels
• Large excavation packages
• Joint-venture dam projects

3. Wade Adams

Wade Adams is a Gulf construction group delivering infrastructure projects across roads, utilities, airports, marine works and water-related civil engineering.

The company explicitly identifies dam building among its fields of expertise.

Dam and water capabilities

Wade Adams’ broader infrastructure capabilities include:

• Dam construction
• Reservoirs
• Earthworks
• Concrete structures
• Drainage systems
• Pumping stations
• Pipelines
• Utility networks
• Access roads
• Landscaping and erosion protection

Dam projects frequently require several of these services within the same contract.

For example, a flood-control dam may require excavation, embankment construction, spillways, drainage, access roads and downstream protection.

Gulf operating experience

Wade Adams has operated in the Gulf construction market for decades and maintains in-house manpower, equipment and infrastructure resources.

This regional experience can be important because dam contractors must understand arid-climate conditions, flash-flood behaviour, remote-site logistics and the effect of high temperatures on concrete production.

Why Wade Adams stands out

Wade Adams combines dam-building capability with road, drainage and utility experience.

That integrated approach may be particularly useful for smaller and medium-sized flood-control or groundwater-recharge dam projects.

Best suited for

Wade Adams may be considered for:

• Flood-protection dams
• Recharge dams
• Reservoirs
• Dam access roads
• Drainage and water-control systems
• Integrated civil-infrastructure packages

4. Six Construct and BESIX

Six Construct is the Middle East subsidiary of BESIX Group.

BESIX has international experience in dams, hydropower, pumping stations, marine works and water-treatment infrastructure.

Although its most prominent documented dam projects are outside the UAE, the group has an established UAE presence and has delivered major hydraulic infrastructure in the Emirates.

International dam expertise

BESIX participated in the Nachtigal hydropower project in Cameroon.

Its scope included construction of a dam wall approximately 1.5 kilometres long and 14 metres high, a water-supply canal, intake structures and civil works for a 420-megawatt hydroelectric power station.

This provides relevant experience in large hydraulic structures and hydropower civil engineering.

UAE water infrastructure

Six Construct delivered major water-intake and outfall works for the Hamriyah Power and Desalination Station in Sharjah.

The work included a seawater pumping station, deep excavation, bored piles, a breakwater and a one-kilometre outfall system.

The company also delivered Dubai’s Deep Tunnel Storm Water System in a joint venture with PORR. The system included a 10-kilometre tunnel and deep shafts for collecting and conveying groundwater and stormwater.

Dam construction capabilities

BESIX and Six Construct offer relevant experience in:

• Dam walls
• Hydropower stations
• Water intakes
• Pumping stations
• Deep excavation
• Marine foundations
• Tunnels
• Outfall structures
• Heavy reinforced concrete
• Water-treatment facilities

Why Six Construct and BESIX stand out

The group combines international dam experience with substantial UAE water and marine-infrastructure experience.

This makes it relevant to technically complex water projects requiring foundations, tunnels, intake systems or pumping infrastructure.

Best suited for

Six Construct and BESIX may be considered for:

• Large hydraulic structures
• Hydropower civil works
• Reservoir intake systems
• Pumping stations
• Marine water infrastructure
• Complex water-control projects

5. ANDRITZ Hydro

ANDRITZ Hydro is not a general civil contractor. It is a specialist supplier and integrator of electromechanical and hydromechanical equipment for hydropower plants.

It is included because major pumped-storage dam projects usually require specialist power-generation equipment in addition to conventional civil construction.

Hatta hydropower equipment

ANDRITZ Hydro is a consortium member on the Hatta pumped-storage project.

Its scope includes two Francis-type reversible pump turbines, generators, transformers, control and protection equipment, gates, trash racks, valves and steel lining for sections of the project’s waterways.

The company also conducted hydraulic model testing to confirm the performance of the pump-turbine system.

Hydropower capabilities

ANDRITZ Hydro provides:

• Pump turbines
• Hydroelectric generators
• Main inlet valves
• Control systems
• Protection systems
• Gates and trash racks
• Penstock steel lining
• Transformers
• Switchgear
• Testing and commissioning

Why ANDRITZ Hydro stands out

ANDRITZ brings the specialist technology required to convert a reservoir and dam system into an operating pumped-storage power plant.

It would normally work as part of a consortium rather than acting as the sole civil contractor.

Best suited for

ANDRITZ Hydro may be considered for:

• Pumped-storage hydropower
• Hydroelectric equipment
• Dam outlet equipment
• Turbines and generators
• Hydromechanical systems
• Plant rehabilitation and modernisation

6. Al Naboodah Construction Group

Al Naboodah Construction Group is a long-established UAE contractor operating across civil engineering, infrastructure, buildings and mechanical and electrical services.

Publicly available company information does not establish the same direct large-dam record in the UAE as the Hatta consortium. However, Al Naboodah has capabilities relevant to supporting dam, reservoir and flood-protection projects.

Relevant civil capabilities

Al Naboodah’s infrastructure operations include:

• Large earthworks
• Drainage
• Concrete construction
• Tunnels
• Utility networks
• Access roads
• MEP installations
• Asphalt production
• Heavy equipment
• Landscaping

These services can form significant parts of a dam project even when the main hydraulic structure is delivered by a specialist dam contractor.

Local resource base

Al Naboodah has extensive UAE operating experience and access to construction materials, equipment and specialist engineering services.

This may make it useful as a joint-venture partner, enabling-works contractor or supporting civil contractor.

Why Al Naboodah stands out

Its strength lies in local infrastructure delivery and access to integrated UAE resources.

For technically specialised dams, clients should verify the exact experience of the proposed dam engineers and any specialist joint-venture partners.

Best suited for

Al Naboodah may be considered for:

• Dam access roads
• Major earthworks
• Drainage
• Utility relocation
• Supporting concrete structures
• Joint-venture infrastructure packages

7. Ghantoot Group

Ghantoot Group is a UAE contractor active in civil engineering, roads, water networks, utilities, energy and marine infrastructure.

Its water and civil-construction capabilities may support dam and reservoir projects, particularly where the work forms part of a broader water-management programme.

Relevant capabilities

Ghantoot’s services include:

• Water infrastructure
• Pipelines
• Pumping systems
• Earthworks
• Roads
• Heavy civil construction
• Utility networks
• Energy infrastructure
• Marine works

Integrated water projects

Flood-control and storage projects often require connections to pipelines, channels, pumps and downstream networks.

A contractor with both water and civil expertise may be able to coordinate these systems within a single project.

Why Ghantoot stands out

Ghantoot combines local UAE infrastructure experience with water and energy capabilities.

Clients considering Ghantoot for a major dam should request evidence of comparable dam structures and details of the specialist engineers assigned to the project.

Best suited for

Ghantoot may be considered for:

• Reservoir infrastructure
• Flood channels
• Water pipelines
• Pumping stations
• Dam access and utility works
• Joint-venture water projects

3. Comparison of Leading UAE Dam Contractors

The listed companies offer different strengths.

Best for direct UAE dam experience

STRABAG and ÖZKAR have direct experience constructing the upper-reservoir dams for the Hatta pumped-storage project.

Best for pumped-storage hydropower equipment

ANDRITZ Hydro supplies the pump turbines, generators, valves, control systems and other specialist equipment used in the Hatta project.

Best for regional dam and infrastructure work

Wade Adams identifies dam construction among its specialist activities and combines this with drainage, utilities and road construction.

Best for major hydraulic structures

BESIX and Six Construct combine international dam experience with major UAE water-intake, pumping and stormwater projects.

Best for local supporting infrastructure

Al Naboodah and Ghantoot may be considered for earthworks, access roads, utilities, drainage and other supporting infrastructure, subject to project-specific technical qualification.

4. Types of Dams Constructed in the UAE

The type of dam required depends on the site conditions and project purpose.

Concrete gravity dams

A gravity dam resists water pressure mainly through its own weight.

It requires strong foundations and large quantities of concrete.

Roller-compacted concrete dams

RCC dams use a relatively dry concrete mixture placed and compacted in layers using equipment similar to that used for earthworks.

The Hatta upper reservoir uses two RCC dam walls.

Earthfill dams

Earthfill dams are constructed using compacted soil and rock materials.

They may include an impermeable clay core, filters, drainage zones and erosion protection.

Rockfill dams

Rockfill dams use compacted rock for structural stability, with a central core or upstream membrane controlling water leakage.

Check dams

Check dams are relatively small structures built across drainage channels.

They slow runoff, control erosion and encourage groundwater recharge.

Underground dams

Underground dams restrict the movement of groundwater below the surface.

They may be used where above-ground storage would produce high evaporation losses.

5. Major Dam Construction Services

A dam project normally requires several specialist work packages.

Site investigation

Engineers must investigate:

• Rock and soil conditions
• Faults and fractures
• Groundwater
• Flood behaviour
• Sediment movement
• Seismic conditions
• Available construction materials

Inadequate site investigation can result in major design changes after work begins.

Excavation and foundations

Dam foundations must provide stable support and control seepage.

Work may include excavation, rock cleaning, grouting, drainage galleries and foundation treatment.

Embankment construction

Earth and rockfill dams are constructed in controlled layers.

Material type, moisture and compaction must be tested throughout construction.

Concrete placement

Concrete dams require temperature control, joint treatment, curing and continuous quality testing.

Large concrete pours may require on-site batching plants and cooling systems.

Spillways

A spillway allows excess water to pass safely around or over the dam.

An undersized or poorly constructed spillway can expose the dam to overtopping and erosion.

Intake and outlet structures

Intakes and outlets control water entering pipelines, tunnels or downstream channels.

They may contain gates, screens, valves and flow-measurement systems.

Tunnels

Hydropower and water-transfer projects may require pressure tunnels, access tunnels and service tunnels.

The Hatta scheme includes a pressure waterway of approximately 1.2 kilometres as well as two access tunnels.

Instrumentation

Dam monitoring systems may measure:

• Water levels
• Seepage
• Internal pressure
• Structural movement
• Settlement
• Temperature
• Seismic activity

Instrumentation helps operators identify unusual behaviour before it develops into a serious problem.

6. How to Choose a Dam Construction Company

Selecting a dam contractor requires more rigorous evaluation than choosing a general building company.

Match experience to the dam type

Ask whether the contractor has delivered the same structural system.

Experience with a small earthfill recharge dam does not automatically qualify a contractor for a large RCC hydropower dam.

Examine recent projects

Review recently completed projects involving comparable:

• Dam height
• Reservoir capacity
• Concrete volume
• Geological conditions
• Spillway design
• Tunnelling requirements
• Hydromechanical equipment

Review the engineering team

The proposed team should include specialists in:

• Dam engineering
• Geotechnical engineering
• Hydrology
• Structural engineering
• Hydraulic design
• Tunnelling
• Instrumentation
• Environmental management

Assess temporary works

Dam construction may require cofferdams, diversion channels, dewatering systems and temporary river or stormwater management.

The contractor should demonstrate how water will be controlled throughout construction.

Review material resources

Large dams require reliable supplies of aggregate, cement, rockfill or suitable earth materials.

Clients should examine quarry approvals, batching capacity and quality-control arrangements.

Evaluate environmental performance

Dam projects can affect wadis, wildlife, groundwater and downstream communities.

The contractor must comply with the environmental-management plan and protect surrounding ecosystems.

Assess financial strength

Dam projects can continue for several years and require major investment in equipment, labour and temporary facilities.

Clients should review audited accounts, insurance, performance guarantees and working-capital capacity.

7. Questions to Ask Before Awarding a Dam Contract

Have you built this type of dam?

Request project records showing similar materials, height, foundations and hydraulic conditions.

Who designed the temporary water diversion?

The contractor must explain how stormwater or existing flows will be managed during construction.

Which specialists will work on the project?

Ask for the proposed dam engineer, geotechnical manager, concrete specialist and instrumentation engineer.

Where will construction materials come from?

Confirm the source, testing and transport arrangements for concrete aggregates, rockfill and soil.

How will concrete temperature be controlled?

Mass concrete can generate significant internal heat.

The contractor should explain its batching, cooling, placement and curing procedures.

How will seepage be controlled?

Ask about grout curtains, filters, drainage systems, membranes and foundation treatment.

What monitoring systems will be installed?

The tender should define instruments, data collection and handover requirements.

What emergency procedures will apply?

The contractor should coordinate emergency planning with the client and relevant authorities.

8. Dam Approvals and Safety Requirements in the UAE

Dam projects may require coordination with:

• Ministry of Energy and Infrastructure
• Dubai Electricity and Water Authority
• Local municipalities
• Environmental authorities
• Electricity and water utilities
• Civil defence
• Police and emergency services
• Road and transport authorities

The Ministry of Energy and Infrastructure maintains responsibility for federal dam and waterway functions and publishes tenders involving dam construction and development.

Approvals may cover:

• Hydrological studies
• Structural designs
• Environmental assessments
• Construction materials
• Temporary diversions
• Emergency plans
• Reservoir filling
• Final commissioning

9. Frequently Asked Questions

What are some of the best dam construction companies in the UAE?

Companies with relevant experience include STRABAG, ÖZKAR, Wade Adams, Six Construct and BESIX, ANDRITZ Hydro, Al Naboodah Construction Group and Ghantoot Group.

STRABAG, ÖZKAR and ANDRITZ have direct roles in the Hatta pumped-storage project.

Which contractors built the new dams at Hatta?

The Hatta contract was awarded to a consortium involving STRABAG, ÖZKAR and ANDRITZ Hydro. STRABAG and ÖZKAR were responsible for civil works, while ANDRITZ supplied hydropower and hydromechanical equipment.

What type of dams form the Hatta upper reservoir?

The upper reservoir was constructed using two roller-compacted concrete dams approximately 35 metres and 70 metres high.

Why does the UAE construct dams?

UAE dams support flood protection, groundwater recharge, water storage and, in Hatta’s case, pumped-storage renewable-energy generation.

Does the UAE have many dams?

The Ministry of Energy and Infrastructure stated in 2022 that the country had 150 dams and water facilities, including 103 managed by the ministry.

Is a reservoir contractor the same as a dam contractor?

Not always.

A reservoir contractor may specialise in reinforced-concrete tanks, pipelines and pumping systems. A dam contractor must also understand hydrology, geotechnical conditions, spillways, seepage and large hydraulic loads.

Is the largest contractor automatically the best?

No.

The best contractor is the one with comparable dam experience, appropriate specialists, sufficient resources and a safe construction method.

10. Conclusion

The best dam construction companies in the UAE operate within one of the country’s most specialised areas of civil engineering.

STRABAG and ÖZKAR have direct UAE dam experience through the Hatta pumped-storage hydroelectric project. The facility includes two RCC dams, underground waterways, intake structures and a 250-megawatt generating plant.

ANDRITZ Hydro provides the project’s turbines, generators and hydromechanical systems, while Wade Adams offers regional dam-building and integrated infrastructure capabilities.

Six Construct and BESIX combine international dam experience with major hydraulic and water-infrastructure projects in the UAE.

Al Naboodah and Ghantoot offer local civil, drainage, earthwork, road and utility capabilities that may support dam or reservoir projects, particularly through specialist joint ventures.

No company should be selected solely because of its size or general reputation.

Clients should match the contractor’s experience to the proposed dam type, foundation conditions, hydraulic requirements and environmental risks. They should also examine the proposed engineers, materials, temporary works, monitoring systems and emergency procedures.

A properly designed and constructed dam can protect communities, preserve water and strengthen renewable-energy or water-security systems for decades. A weak procurement process, however, can create long-term structural, environmental and public-safety risks.

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