Deutsche Bank The New Deutsche Bank Towers The modernization of our headquarters is setting global standards December 2010 Deutsche Bank’s twin towers are becoming Content a “Green Building”. 1 Introduction 1 Introduction of the building’s interior design, a 2 History of the twin towers high-quality and more attractive The modernization of our head working environment as well as office is setting new benchmarks additional workplaces were cre- 3 Project background ated. With “Project Greentowers” 4 Modernization concept Deutsche Bank’s Head Office, As a result the building’s energy popularly known as “Credit & consumption and CO 2 emissions Debit”, are becoming a “Green were reduced by at least 50%. By 5 Environmental goals Building”: the prominent 155- 2010, the bank has undertaken a metre twin towers in Frankfurt am full-scale modernization of its 6 Green Building Strategy Main, Germany, were transformed Group Head Office, originally oc- into a visible symbol that stands cupied in 1984, and has been for the efficient use of resources energy efficiency of the bank’s setting new standards for the re- and, simultaneously, a high-quality occupied buildings over the next furbishment of existing buildings. working environment. years. Taking action with conviction With the consequent implementa- “To us sustainability means en- tion of a “green building” approach Deutsche Bank’s voluntary com- suring that future generations within Europe’s largest building mitment to sustainability com- enjoy a healthy environment as renovation, one of the most envi- prises the promise to guarantee well as stable economic and ronmentally friendly skyscrapers in the neutralization of its global CO 2 social conditions.” the world has been created – a emissions by the year 2013. Dr. Josef Ackermann model example for an ecologically A major part of the bank’s total sustainable office building. CO 2 emissions are due to its en- Thanks to an optimized use of the ergy consumption. Accordingly the existing space and the reshaping bank will continuously improve the
2 History of the twin towers 3 Project background With their clear and timeless archi- tecture the twin towers quickly Location and history Modernization as an opportunity became the symbol for Deutsche Bank and beyond that for Frank- The basis for the development of Due to the need to improve fire furt’s financial district. Upon its the architectural design of the protection systems, an in-depth first occupancy in 1984, the build- building at Taunusanlage 12 was analysis of the building was ing had approx. 1,750 workplaces the existing legally binding land- launched, leading to a compre- and provided modern facilities and use plan from the early 1970-ies hensive and integrated renovation amenities. requesting a two-tower develop- concept for the property. ment on the premises of the for- Based on this fundamental situa- mer “Löwensteinsche” Palace. tion and the climate strategy of the The bank acquired the land at the bank, the Management Board beginning of 1979 and built on it opted for a consistent sustain- until 1983 the twin towers. nability-orientated „green building“ A modern landmark for Frankfurt approach and a comprehensive renovation of the property. The towers, whose construction is Deutsche Bank’s primary objec- based on a „tube in tube“ tech- tives comprised not only the archi- nique with load-bearing external tectural redesign of the interior walls, a then new concept for sky- spaces and surrounding area on scrapers, were already innovative the basis of ecological sustainabil- and progressive at the time of ity criteria, but also an efficient use their realization. of the building as well as the in- stallation of modern, up-to-date offices. Although the façade was brought up to the newest state of technology, the renowned ap- pearance and the “look” of the building remained unchanged. Taunusanlage - 2000 Furthermore the two elegant tow- ers offered the space required for the development of the growing Deutsche Bank Collection. The collection, which celebrated its 25th anniversary in 2005, is one of the largest and most significant corporate art collections in the world: Altogether it includes more than 50.000 exhibits, displayed all over the globe. The “tube in tube“ system - 1981 Renovation of Taunusanlage - 2009 Deutsche Bank 2 | 7
4 Modernization concept glass roof construction. As a sym- lection has been increased and at bol of openness as well as the same time life - the interaction Architecture and sustainability Deutsche Bank’s global and inter- with clients, visitors and staff nal network, the sculpture called members - will be reorganized and Mario Bellini Architects, a Milan- “The Sphere” is now the virtual optimized. based architecture and design hub and center within the lobby. office, took first place in the com- petition to handle the design. The tender offer for construction work planning and management was won by the architects gmp – von Gerkan, Marg und Partner. The task of the architectural team was to create a new “look and feel” for the Group Head Office of The redesigned outside facilities and the new openness of the building further Deutsche Bank AG, a “compre- enhance the urban environment. hensively convincing space con- cept” for the redesign and mod- Our „green building“ approach ernization of the building. Transforming an existing sky- The transformation of the Group scraper into a “green” building Head Office of Deutsche Bank AG retroactively is a complex task, “The Sphere“ from Mario Bellini, new begins with the question of identi- centrepiece in the light-flooded lobby requiring the close cooperation of fication, about how the “Deutsche everyone involved: owner, archi- Also from the outside the “Green- Bank” brand name is presented tects, planners and technicians. overall, including the branding towers” became more attractive. For the modernization of the concept and corporate identity of The objective here was to make Group Head Office a comprehen- the building open and more trans- all of its business divisions. A sive approach to an overall aes- parent for visitors and users. high-quality working environment thetic concept was developed to that uses resources as sparingly While the Group Head Office was comprise energy efficiency, user as possible, a voluntary commit- previously seen as an imposing comfort and life cycle costs. The ment to sustainability as well as “landmark site”, it is now be better overall concept takes the following connected to the nearby Opern- openness and transparency are aspects into account: very important to Deutsche Bank platz and Frankfurt city center. and are also integral aspects of � Saving energy The complete re-design of the how it does business. � Using renewable energy Plaza and the outside facilities, sources with a new adjacent sculpture The bank’s new openness � Efficient use of all resources park, and the upgrade of the S- The first step taken by the team of Bahn entrances further supports � Repairs and maintenance specialists, expert planners and integrating the building complex � Intelligent building technolo- architectural bureau - which is into its urban surroundings. gies/ Fire protection systems immediately apparent to visitors - � High quality architecture involved fully redesigning the With the new public Café, the art lobby, while opening up the base display and the publicly accessible � Optimal working conditions floors, making the two towers visi- Business Center, the exhibition space for the Deutsche Bank Col- ble from the lobby thanks to a Deutsche Bank 3 | 7
Project „Greentowers“ – innovative sustainability The new Deutsche Bank Towers set verifiably new standards for future projects – leading to sustainable improvements. 5 Environmental goals 67% savings in heating and cool- As every second window can be ing energy opened, natural air circulation will 98% of the materials recycled take place and the indoor comfort New, super-insulating triple paned will increase. Behind the glass The complete renewal of the build- windows and an improved insula- façade there is a conventional ing’s technical facilities and sys- tion keep the heat out in the “perforated façade” made of con- tems requires a careful selection of summer and reduce heat loss in crete which, together with the materials oriented on ecological the winter time. concrete slabs, fit exceptionally requirements and needs of a mod- well into the overall energy con- ern and efficient workplace. This cept. The mass of these building also applies to the disposal of ma- elements will be used as thermal terials. For this reason, dismantling storage for the heating and cool- and demolition work was carried ing within the building, which will out in accordance with sustainabil- no longer be carried out through ity criteria. the more electricity-intensive mean of mechanical ventilation, Of the 30,500 tons of demolition material, only two percent had to but through heating and cooling be disposed of through conven- ceilings. tional means – all of the other Another positive effect – the new material was returned to the corresponding industries or re- compact technology allows for an used. increased ceiling height, from The façade is breathing 2.65 m to 3.0 m. Deutsche Bank 4 | 7
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