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Formwork and Scaffolding from a single source VIENNA TWENTYTWO on the rise Press release / March 2024 Formwork and Scaffolding from a single source VIENNA TWENTYTWO on the rise Vienna, March 15, 2024 | VIENNA TWENTYTWO – one of Vienna’s largest urban development projects – is being built in the 22nd district of Vienna’s Donaustadt. Two diagonally positioned tower blocks and four low-rise buildings form a varied ensemble, not least thanks to tried- and-tested formwork and scaffolding solutions from Doka. The 15, 000 m² site includes apartments and offices, as well as two hotels, shops and restaurants. VIENNA TWENTYTWO owes its distinctive look and striking skyline to internationally renowned Viennese architects Delugan Meissl Associated Architects. Proven formwork solutions for fast construction progress Developed by ARE Austrian Real Estate, the project's design included a multitude of modern details – from generous open spaces to fine-tuned wind optimisation. Once completed, the tallest tower in the VIENNA TWENTYTWO multi-purpose ensemble will have an impressive height of 153 metres. In addition to high-quality formwork solutions from Doka, the V22 HABAU-DYWIDAG consortium is also using Doka’s Ringlock modular scaffolding for the steel construction. With the help of the field-proven, pre-assembled Xclimb 60 protection screen from Doka, the tallest tower in the ensemble is growing upwards safely and quickly. The hydraulic climbing system with the Xbright frame enclosure protects against the effects of weather at great heights, thus ensuring stable working conditions. DYWIDAG Project Manager Herbert Busch, who also relied on Doka solutions for the Viennese Marina Tower, also appreciates this: "The chosen formwork solution ensures a fast construction sequence on the one hand, and a safe working environment on the other, two important parameters for the success of the project". Ringlock modular scaffolding: safety and flexibility in harmony Outriggers, a set of structural steel trusses to provide stability and connect the building core to vertical components while concealed from the outside, were installed on levels 16/17. Doka's Ringlock serves as the working scaffolding around them, capitalizing on its flexibility to perfectly fit around the steel structure. This scaffolding offered optimal support for the site team during assembly, welding, and weld seam inspection of the outriggers. Access for workers between levels was facilitated through a combination of staircases and ladder hatch decks, prioritizing a secure working environment. Upon completing the first outrigger, the scaffolding tower seamlessly transitioned to support the second one. Leveraging Ringlock’s strong node connection and features like the jack retainer and locking pins, the entire scaffolding unit could be relocated with minimal crane lifts, significantly reducing downtime in disassembly and re-assembly. "After completing the steel construction work, we were so impressed with the flexibility of Ringlock scaffolding that we immediately used it for further work on other components, ” said HABAU foreman Herbert Hochstöger. VIENNA TWENTYTWO is an inspiring project that embodies the dynamic spirit of optimism in the city on the Danube and benefits from proven Doka solutions. The completion of the 153-metre tallest part of the building is scheduled for the end of 2025. Images: When publishing, please indicate the photo credit. The tallest tower in the ensemble will rise 153 metres into the skyline. © Doka The Ringlock modular scaffolding from Doka provided support for the for the welding work around the outriggers. © Doka Thanks in no small part to the formwork solutions from construction work on the tower is progressing rapidly. © Doka Visualization – VIENNA TWENTYTWO © k18 About Doka Doka is a world leader in providing innovative formwork, solutions and services in all areas of construction. The company is also a global supplier of well-thought-out scaffolding solutions for a varied spectrum of applications. With more than 178 sales and logistics facilities in over 60 countries, Doka has a high- performing distribution network for advice, customer service and technical support on the spot and ensures that equipment is swiftly provided – no matter how big and complex the project. Doka employs 7, 000 people worldwide and is a company of the Umdasch Group, which has stood for reliability, experience and trustworthiness for more than 150 years. Press contact Doka Austria GmbH Clemens Oelmann Public Relations Manager M +43 664 883 843 20 clemens.oelmann@doka.com | www.doka.com |
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