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Sumit Singhal
Sumit Singhal loves modern architecture. He comes from a family of builders who have built more than 20 projects in the last ten years near Delhi in India. He has recently started writing about the architectural projects that catch his imagination. Spiegel headquarters in Hamburg, Germany by Henning Larsen ArchitectsDecember 13th, 2011 by Sumit Singhal
Article source: Henning Larsen Architects Henning Larsen Architects has chosen a two-part composition to create hierarchy and openness on the site and has integrated the complex urban spaces that meet at Ericusspitze in their design. With its clearly readable figure each building has a reserved yet characteristic expression that provides a special significance in relation to creating identity for all the surrounding public spaces. The Ericus building will be essential for the completion of the large park space. Spiegel will become the gateway to Hafencity seen from the main station and Brooktorkai.  Night View (Images Courtesy Cordelia Ewerth and Andreas Gehrke)
The two buildings are designed as large U-forms that embrace the urban space they are directed towards. The Spiegel building embraces an internal space with a more urban character because of its direction towards the city. The Ericus building embraces an open, green outdoor space as it directed towards the large open Lohsepark. The two buildings form two plazas: an arrival plaza for pedestrians, cy-clists and drivers towards Brooktorkai and an open public plaza, which has a direct connection to the waterfront promenade.
 Night View (Images Courtesy Cordelia Ewerth and Andreas Gehrke) Focus on sustainability As soon as in the competition programme for the new Spiegel Headquarters, focus was on sustainability. During the design phase, it was decided to increase requirements in order to meet the special certification developed for Hafencity. This certification is tighter than other certifications in Germany and is considered as a forerunner of the requirements that will be incorporated into German building regulations in the years to come. “Hafencity Umweltzeichen” applies a broad definition of the concept of sustainability and has divided the different themes into five categories in which specific objectives must be achieved in order to obtain silver or gold. In order to win a gold medal, three out of five categories must achieve gold. In the Spiegel project, the objective is to achieve gold in four categories. The project has been pre-approved for gold but the final granting will not take place until the completed building has been tested and meets requirements.
 Exterior View (Images Courtesy Cordelia Ewerth and Andreas Gehrke) CATEGORY 1: ENERGY CONSUMPTION The calculated energy consumption of the Spiegel building amounts to 80 Kwh/m2/year. CATEGORY 2: HANDLING OF PUBLIC RESOURCES A precondition for meeting the requirements of this category is that an architectural competition for the assignment has been held. Henning Larsen Architects won the assignment in a competition with 12 other invited architectural companies. In addition, public access to the site is required just as the public functions on the ground floor must meet certain requirements.
 Interior View (Images Courtesy Cordelia Ewerth and Andreas Gehrke) CATEGORY 3: ENVIRONMENTALLY FRIENDLY BUILDING MATERIALS In this category, the requirements for gold are so high that it would not be possible to meet these with a high-rise building as the requirements are based on the use of wood as a building material. However, the Spiegel project meets the requirements for silver due to a comprehensive test of all building materials.
 Interior View (Images Courtesy Cordelia Ewerth and Andreas Gehrke) CATEGORY 4: HEALTH AND COMFORT The requirements of this category are met by means of solutions creating a good and healthy indoor climate, including specific requirements for the degasification of substances (TVOC less than 1.5 mg/m3, tested on site after completion), suspension of biocides, halogen free fire proofing as well emission free materials or materials with a low emission on all surfaces. A minimum of 20 % of the activity areas must be accommodated to allergic people. This means that all materials and solutions should be tested to ensure that they are cleaning-friendly. CATEGORY 5: ENVIRONMENTALLY FRIENDLY OPERATION This category is about incorporating sustainability in the construction as well as the operational phase.
 Interior View (Images Courtesy Cordelia Ewerth and Andreas Gehrke)  Interior View (Images Courtesy Cordelia Ewerth and Andreas Gehrke)  Interior View (Images Courtesy Cordelia Ewerth and Andreas Gehrke)  Interior View (Images Courtesy Cordelia Ewerth and Andreas Gehrke)  Interior View (Images Courtesy Cordelia Ewerth and Andreas Gehrke)  Interior View (Images Courtesy Cordelia Ewerth and Andreas Gehrke)  Interior View (Images Courtesy Cordelia Ewerth and Andreas Gehrke)  Interior View (Images Courtesy Cordelia Ewerth and Andreas Gehrke)  Interior View (Images Courtesy Cordelia Ewerth and Andreas Gehrke)  Interior View (Images Courtesy Cordelia Ewerth and Andreas Gehrke)
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