Careys RAF lossiemouth

RAF Lossiemouth Project Trienus

Careys were awarded a contract to carry out an extensive package of works at the live RAF Lossiemouth airbase in Moray, Scotland. Our team were tasked to contribute to the construction of Project Trienus by delivering substructure and superstructure works, site wide infrastructure and a series of access roads.


Royal Air Force


Moray, Scotland

Principal Contractor

Robertson Construction Group

This new facility incorporates a large new hanger – which will house a tactical operations centre, squadron accommodation, workshops and offices, training simulators and space for three aircraft – as well as a new airfield taxi / tow way, apron and washbay area.

Since this project occurs on a live Ministry of Defence (MoD) site, we have carefully planned our works and devised our programme to ensure that there will be no disruption to the ongoing operations of the airbase.

Substantial package of works includes substructure and superstructure works, site wide infrastructure and a series of access roads

Our multiple responsibilities on this project include the provision of:

• Substructure building works, such as reinforced concrete (RC) pile cap and ground beam foundations, approximately 9,000m2 of ground bearing RC slab and associated service and lift pits

• Superstructure building works, comprising 150m of reinforced concrete walls, 17m of high RC service core, numerous RC columns, suspended RC slabs and 20,000m2 of upper composite floor slabs

• Site wide infrastructure, including trenching for all main services, external bases for transformers, generators and tanks and all site-wide power and communications ducting

• Access roads and a car park to service the new facility, which entails the use of 5,000m2 of external reinforced concrete (RC) service yard and 27,000m2 of external pavement-quality concrete, plus an additional 9,000m2 of pavement-quality concrete within the hanger structure

• All external infrastructure, including airfield ground lighting ducting and pits and around 5.3km of below ground drainage networks, with attenuation tanks, separator and interceptor tanks, a foul water treatment system and a pumping station

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