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New Orleans Tower, Rotterdam, Netherlands
Slim walls quickly climbed
In the past, passenger ships and luxury liners used to moor at the Wilhelmina Pier. Today, monumental warehouses and spectacular new buildings alternate each other - a popular city district, surrounded by water. With a height of 158 m, the “New Orleans” highrise project towers above the surrounding area, designed by the Portuguese Pritzker winner Álvaro Siza Vieira. 238 exclusive rental and private apartments are spread throughout the 45 almost square-shaped floors.
In order to be able to optimize the construction progress, the project management decided at an early stage - on the basis of a very detailed PERI tender plan - in favour of an ACS climbing formwork solution. For this, PERI engineers combined VARIO GT 24 girder wall formwork with two craneindependently operating ACS variants: ACS R for the H-shaped core and ACS G for the external walls which meant the walls and slabs could be concreted in one pour. In this connection, the core formwork climbed three cycles in advance. This meant that the floors could be completed in regular 5-day cycles. The VARIO formwork elements were delivered already pre-assembled and thus ready-to-use so that on-site assembly requirements were minimized resulting in a reduction in the construction time.
Extremely thin, only 15-30 cm thick reinforced concrete walls as well as an external facade with numerous wall offsets and window box-outs required an accurately defined arrangement of the ACS brackets and corresponding anchoring points. In part, project-related customised adapters ensured safe transfer of the loads.
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| PERI Systems In Use |
ACS R Self Climbing System
VARIO GT 24 Column formwork
ACS G Self Climbing System
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Bruno De Jonghe
Site Manager
“In spite of the complicated building geometry, we are able to finish a complete floor in only 5 days. The fast construction progress is also due to the good technical PERI support we received.”
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Handbook 2011
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