Dublin Airport - Visual Control Tower

Title: Dublin Airport - 87 metre Visual Control Tower

Client: BAM

Solutions: Rotary-Bored Piles

Quinn Piling were contracted by BAM to construct the piled foundations for the new Visual Control Tower and base buildings at Dublin Airport, with design by ARUP

Designed by Dublin’s award-winning Scott Tallon Walker Architects, the new iconic Visual Control Tower (VCT) comprises three separate but integrated building elements: the control cab and associated elements, the cab supporting shaft and a base building. The base building will accommodate staff facilities, electronic systems and mechanical plant space to provide control of the building environment. The overall height of the VCT structure will be 87m, which will make it the tallest building on the island of Ireland.

The works comprised the boring and construction of 36 no. 900mm diameter piles with depths up to 18 metres and with a minimum rock-socket of five metres.

ARUP's pile design was successfully verified by way of a 10MN static load test on a preliminary pile. The test pile reinforcement cage was extensively instrumented with strain gauges and extensometers fitted to analyse the performance of the pile at various depths including within the rock socket.

In addition, cross-hole sonic-logging instrumentation was installed into seven of the working piles to verify the quality of the pile construction.

 

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