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Standing at an impressive 184 m, The Madison is one of the tallest towers in the UK and currently the 18th tallest building. We delivered a 54-storey superstructure, two-storey basement and single-storey pavilion building.
We also produced temporary works designs, including complex basement propping and core stability solutions, as well as permanent works designs of the superstructure PT slabs.
Despite the safety and logistical challenges presented by working on such a structure, we successfully completed our works four weeks ahead of schedule. Our innovative safety approach was also recognised by Balfour Beatty at its annual HSEQ awards.
Design
Overcoming Challenges
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The project presented several challenges, including logistical and safety issues due to the height of the tower and tight footprint of the site. To overcome these, Kingscote Design utilised the permanent ground floor slab on the plunge columns to create an innovative top-down logistics slab solution. The team also used PT slabs to significantly reduce the amount of steel reinforcement needed, minimising the risks that come with handling materials at great height. Finally, axial shortening effects were mitigated, thanks to pre-sets in the slab falsework design.
Tight ground movement criteria resulted in the design of an innovative, value engineered, modular and jackable basement temporary propping system which allowed the props to be preloaded and rejacked as necessary during basement excavation to limit ground movements.
Sustainability
03
Post tensioning the floor slabs dramatically reduced the amount of steel reinforcement used in the building while minimising the risks associated with material handling at height. Our post tensioning strategy also cut the volume of concrete and embodied carbon in the building in line with our environmental commitments.
Construction
04
The two-storey basement involved the construction of a concrete capping beam, the installation of propping and waterproofing to the lining of the walls on the Eastern side. Piling provided the main foundations for the structure.
Safety
05
For the core, we were able to minimise the safety risks associated with working at height through extensive planning and collaboration with Balfour Beatty. A fully hydraulic Doka SCP rig reduced hook time by providing storage for up to 40T of material on its top deck. The stairs were swiftly installed using a safe and efficient Stair Master system.
To further reduce working at height risk, we used the Doka Deck falsework system, allowing decking to take place from the slab level. Ischebeck safety screens were used on the tower’s working levels to lower the risk of falling tools and materials. We were also the first firm in Europe to use the Plus Peri rail climbing staircase, which eliminated the need for ladder access to upper “wet trade” areas.
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Structures
Sustainability
03
Post tensioning the floor slabs dramatically reduced the amount of steel reinforcement used in the building while minimising the risks associated with material handling at height. Our post tensioning strategy also cut the volume of concrete and embodied carbon in the building in line with our environmental commitments.
Construction
04
The two-storey basement involved the construction of a concrete capping beam, the installation of propping and waterproofing to the lining of the walls on the Eastern side. Piling provided the main foundations for the structure.
Safety
05
For the core, we were able to minimise the safety risks associated with working at height through extensive planning and collaboration with Balfour Beatty. A fully hydraulic Doka SCP rig reduced hook time by providing storage for up to 40T of material on its top deck. The stairs were swiftly installed using a safe and efficient Stair Master system.
To further reduce working at height risk, we used the Doka Deck falsework system, allowing decking to take place from the slab level. Ischebeck safety screens were used on the tower’s working levels to lower the risk of falling tools and materials. We were also the first firm in Europe to use the Plus Peri rail climbing staircase, which eliminated the need for ladder access to upper “wet trade” areas.
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Sustainability
03
Post tensioning the floor slabs dramatically reduced the amount of steel reinforcement used in the building while minimising the risks associated with material handling at height. Our post tensioning strategy also cut the volume of concrete and embodied carbon in the building in line with our environmental commitments.
Construction
04
The two-storey basement involved the construction of a concrete capping beam, the installation of propping and waterproofing to the lining of the walls on the Eastern side. Piling provided the main foundations for the structure.
Safety
05
For the core, we were able to minimise the safety risks associated with working at height through extensive planning and collaboration with Balfour Beatty. A fully hydraulic Doka SCP rig reduced hook time by providing storage for up to 40T of material on its top deck. The stairs were swiftly installed using a safe and efficient Stair Master system.
To further reduce working at height risk, we used the Doka Deck falsework system, allowing decking to take place from the slab level. Ischebeck safety screens were used on the tower’s working levels to lower the risk of falling tools and materials. We were also the first firm in Europe to use the Plus Peri rail climbing staircase, which eliminated the need for ladder access to upper “wet trade” areas.
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Sustainability
03
Post tensioning the floor slabs dramatically reduced the amount of steel reinforcement used in the building while minimising the risks associated with material handling at height. Our post tensioning strategy also cut the volume of concrete and embodied carbon in the building in line with our environmental commitments.
Construction
04
The two-storey basement involved the construction of a concrete capping beam, the installation of propping and waterproofing to the lining of the walls on the Eastern side. Piling provided the main foundations for the structure.
Safety
05
For the core, we were able to minimise the safety risks associated with working at height through extensive planning and collaboration with Balfour Beatty. A fully hydraulic Doka SCP rig reduced hook time by providing storage for up to 40T of material on its top deck. The stairs were swiftly installed using a safe and efficient Stair Master system.
To further reduce working at height risk, we used the Doka Deck falsework system, allowing decking to take place from the slab level. Ischebeck safety screens were used on the tower’s working levels to lower the risk of falling tools and materials. We were also the first firm in Europe to use the Plus Peri rail climbing staircase, which eliminated the need for ladder access to upper “wet trade” areas.
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Sustainability
03
Post tensioning the floor slabs dramatically reduced the amount of steel reinforcement used in the building while minimising the risks associated with material handling at height. Our post tensioning strategy also cut the volume of concrete and embodied carbon in the building in line with our environmental commitments.
Construction
04
The two-storey basement involved the construction of a concrete capping beam, the installation of propping and waterproofing to the lining of the walls on the Eastern side. Piling provided the main foundations for the structure.
Safety
05
For the core, we were able to minimise the safety risks associated with working at height through extensive planning and collaboration with Balfour Beatty. A fully hydraulic Doka SCP rig reduced hook time by providing storage for up to 40T of material on its top deck. The stairs were swiftly installed using a safe and efficient Stair Master system.
To further reduce working at height risk, we used the Doka Deck falsework system, allowing decking to take place from the slab level. Ischebeck safety screens were used on the tower’s working levels to lower the risk of falling tools and materials. We were also the first firm in Europe to use the Plus Peri rail climbing staircase, which eliminated the need for ladder access to upper “wet trade” areas.
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