London Luton Airport

Design and Build Infrastructure Upgrade Contract for Civil Engineering Works at London Luton Airport.

The landside civil engineering works were designed to improve access, circulation and parking facilities required to support the airport expansion plans and to improve passenger facilities at the airport. Whitemountain were appointed by London Luton Airport Holdings as Principal Contractor to deliver the LOT 1 Landside Civil Engineering Works project. The project was procured and delivered under the NEC3 Option A Form of Contract under a Design & Build appointment, completed within budget and agreed programme with no disputes.

The project involved:

Construction of 2.5km of new internal roads, 0.7km of new dual carriageway within the existing airport, and a new roundabout; internal dia. 28m and external dia. 48m constructed at the front of the terminal building to align with the new infrastructure layout. This involved:

Installation of 36,500m2 of a 150mm layer of Type 1 sub base and a 300mm layer of Class6F2 capping to the new carriageway.
Laying of 36,500m2 of new carriageway surfacing to a total thickness varying from 110mm to 280mm
Laying 12,500m2 of new footway/cycleway surfacing to a total thickness of 75mm

Substantial earthworks were also required to enable the installation of 5 nr storm water attenuation tanks with a combined volume of 30,000m3

A pedestrian footbridge with two spans 70m and 35m. The structure provided segregation for arriving and departing passengers away from vehicular traffic. The bridge structure has 3 passenger cores consisting of structural steel frame containing pedestrian lifts, pre-stressed landings and stairwells. Substructure works included 600mm dia CFA piles drilled to depths of 18m, with piles designed for compression and tension loads.

Daily traffic flow to the terminal was approximately 25,000 vehicles per day with passenger numbers averaging 55,000. In addition there was a large number of airport operators, retailers and services supply sector traffic increasing the overall vehicle and passenger numbers to be managed.

The traffic management was delivered in-house and led by our site based Traffic Safety and Control Officer. The traffic and pedestrian management arrangements were particularly complex on this project and there were in excess of 30 major changeovers implemented. 

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