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special report: public & government buildings; groundworks
Spiral appear at London Palladium Spiral Construction has just completed a stunning new feature staircase for the world famous London Palladium theatre. Working with contractor Overbury and RHWL Architects Spiral designed, manufac- tured and installed a helical staircase to link the newly refurbished Palladium bar with the foyer. The sweeping stair consists of a steel structure with the stringers and soffit clad in fibrous plaster. Natural stone treads and risers were machined to reproduce the detailed profiles matching those of the existing Victorian staircases. The balustrade to the stair and adjacent circular gallery comprise of glass and wrought iron spindles with a French polished hard-
wood handrail. Lord Andrew Lloyd Webber, Chairman of the Really Useful Group who own the Palladium directly supervised much of the work.
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Twinfix walkways shelter residents A total of 17 canopies and walk- ways were installed by Twinfix at sheltered accommodation near to their Birchwood offices, creating protected transit areas between the buildings on site. Each glazed cover was a different shape and was fitted with ‘Safe’ opal polycar- bonate roofing panels. The walk- ways also feature handrails and
low level glazed panels that match the roofing and help provide weather shelter for residents in wheelchairs. All Twinfix canopies and walkways use powder coated aluminium for the framework which won’t rust or require repainting and means virtually no future maintenance. In addition both the aluminium and the polycarbonate can be recycled at the end of their long life span.
enq. 135 Hauraton high capacity drainage chosen for Newquay Cornwall Airport
The £52.4 million transformation of the RAF St. Mawgan Airbase to the Newquay Cornwall Airport was the first time a changeover of this kind has been attempted from military to civilian use in the UK. Starting in 2007 the re-development has included a new air traffic control tower, various refurbished and new terminal buildings, additional car park areas, the re-surfacing of the 2,745m runway, aircraft hard-standing areas and widened taxiways. With aircraft tow trucks alone weighing 80 tonnes, manoeuvring aircraft impose an enormous burden on any surface drainage system. Not only must the area be efficiently drained, the installed system must withstand the twisting forces exerted by turning aircraft and numerous service trucks. During the construction stage, 300 metres of Hauraton Recyfix®
Hicap® 100 were installed in the airport’s taxiways
and hard-standing areas located in front of the terminal buildings. Made from specially formulated recycled Polyethylene- Polypropylene (PE-PP), each of the one metre Hicap®
channel used weighed only 13.2kg so allowing one-man-lift of the
component, greatly simplifying handling and logistics. Contractor Cormac also found the combination of a tough PE-PP channel and ductile iron slotted inlet resisted site damage during installation. The completion of this project means Cornwall has one of the best regional airports in the country, with modern facilities and state of the art equipment.
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