District cooling connection in Al Reem Island 

District cooling connection in Al Reem Island: local context

Al Reem Island lies just off the north-east shore of Abu Dhabi island and has been developed since the late 2000s into one of the capital's densest high-rise districts. Residential towers, hotels, office blocks, a major hospital and shopping malls sit on reclaimed plots linked by bridges to the city. Many towers are now occupied, while remaining plots continue to be built.

• Being surrounded by water, roof plant, cooling towers, fixings and exposed cable trays face constant salt and humidity, which drives coating specifications and inspection intervals.
• New towers must meet Estidama Pearl requirements, affecting fresh-air energy recovery, lighting controls, water-efficient fixtures and sub-metering strategies.
• Bridge access and traffic on and off the island make large deliveries, such as chillers or transformers, something to schedule carefully with crane and road permits.

Building types we serve in Al Reem Island

For malls and retail centres, the work concentrates on large-volume air handling, tenant-ready chilled water or refrigerant capacity, smoke extraction for atriums and car parks and food-court exhaust.

Scope of work

• Review of the provider's connection agreement and technical requirements, including supply temperatures, return temperature commitments and metering arrangements.
• Installation of the energy transfer station room services: plate heat exchangers, control valves, strainers, isolation valves and secondary pumps.
• Control wiring and BMS integration of ETS valves and secondary pumps so return temperature targets are monitored and maintained.
• Joint commissioning with the provider, including witnessed tests and handover of meter readings at energisation.

Systems we install

• Pressurisation and expansion on the secondary loop
• Differential pressure control on the secondary loop to stabilise flow as two-way valves modulate

UAE site and climate challenges

• Providers usually expect a minimum return temperature, and humid UAE summers make it tempting to over-cool spaces; poor coil control lowers return temperature and can lead to penalties, so valve selection and balancing protect the delta-T.
• Low summer loads at night and in winter months can push ETS control valves into very small openings, where they hunt and spoil return temperature, so valves are split or sized for turndown and tuned in both seasons.
• Whether to allocate space for future ETS expansion, which costs plant-room area today but avoids disruptive works if the building later adds floors or tenants with higher loads.

Relevant Manolia projects

Frequently asked questions