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Advanced formwork equipment supplied by Doka UK is helping to maximise safety and minimise core construction times at what is set to become the tallest building in the city of Leeds in the north of England. Bridgewater Place is a 32-storey, mixed-use development located on a 6070sqm site. Measuring 110m high, it will dwarf Leeds’ current tallest building by 30m.
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Contractors Bovis Lend Lease are using Doka SKE 50 automatic climbing system and Framax formwork for the main residential tower core, plus the ground and basement floors. These measure a total of 105m high. For the two other cores in the lower building, Doka is supplying the new guided climbing system (GCS) MF400 and Framax stripping corners. With GCS the formwork and scaffold remain anchored to the structure even during the repositioning.
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This means that each platform is repositioned safely and easily in a single lift. Furthermore, the system can operate safely in wind velocities of up to 70km/h, so there are fewer delays due to weather conditions. The Framax stripping corners, also a new product, reduce the time it takes to construct concrete shafts by eliminating the need to dismantle the formwork between towereach pour. A spindle mechanism, operated from the top of each corner, draws the corner in on itself, leaving a gap of about 60mm between the formwork panels and the poured concrete. The entire shaft formwork, including the access platform, can then be lifted as a single unit.
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| With GCS the formwork and scaffold remain anchored to the structure even during the repositioning. This means that each platform is repositioned safely and easily in a single lift. |
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| Doka self-climbing formwork is being used for the core of the main tower. |
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Doka has also supplied trapezoid enclosure sheeting to provide a protected, safe working environment on the platforms for all three cores. The main core has a 40-week programme and the two smaller ones 20 weeks each. The £80m development is scheduled for completion in 2006.
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Contractors: Bovis Lend Lease
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