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Roads, Bridges and Tunnels
News Release from: Foster Yeoman Contracting | Subject: Ashford (LYDD) Airport Improvement Programme
Edited by the Buildingtalk Editorial
Team on 24 November 2004
Recycling Key Component Of £3m
Airport Project
Recycling is a key component of a £3 million-improvement programme at London Ashford (LYDD) Airport in Kent, which is due for completion at the end of the year.
Approximately 35,000 tonnes of material will either be re-used or recycled during work on the first phase, resulting in major cost savings and significant environmental benefits Main Contractor Foster Yeoman Contracting (FYC), who were awarded the £3 million contract through competitive tender earlier this year, have installed a Parker Black mobile asphalt plant which is capable of manufacturing 80 tonnes of asphalt per hour for the duration of the project
This article was originally published on Buildingtalk on 3 Mar 2005 at 8.00am (UK)
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A Goliath mobile crusher and Foamix plant are also on site to handle the recycling part of the operation, which will involve breaking up the old disused second runway to make a cement bound material that will form the base of the new apron.
"We are taking a sustainable approach to the construction of the new apron," said Foster Yeoman Commercial Manager Brian Moon.
"We are not taking anything off the site to tip.
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Everything is either being re-used or recycled, which will result in cost savings for the client and environmental benefits, including reduction of lorry movements, for example." The development includes 24,000m2 of new apron and a newly regulated and resurfaced runway.
The initial work, which is scheduled for completion at the end of the year, is part of an ongoing programme of improvements designed to advance the airport to two million passenger capability by 2010.
The 1505m main runway, taxiway and existing apron will be rejuvenated with an overlay of asphalt surfacing materials, including one that is designed to resist fuel.
A total of 140 tonnes of the fuel resisting binder will be used in the construction of the new apron.
The material represents a fairly small, yet hugely significant part of a larger surfacing operation, which will consume 1400 tonnes of bitumen and involve laying 30,000 tonnes of asphalt.
The main runway is approximately 50 years old.
It will be crack treated and overlaid with a nominal thickness of 50mm of 20mm Marshall binder course and 40mm nominal thickness of 14mm Marshall surface course.
Surface grooves will also be cut into the newly laid surface to aid water dispersal and increase runway surface friction.
The grooving will be at right angles to the centre line of the runway.
Construction of the 24,000m2 apron is also underway.
Ground stabilisation is taking place as an alternative to type one sub base and material from the secondary runway is being removed and stockpiled prior to crushing and will be used to produce a recycled 200mm layer of cement bound base.
The new apron will be surfaced with a 60mm Marshall binder course and 40mm surface course.
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