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DES GB 11 Magazin en

on the detailson the details WORKING Future project: Sustainability in the building stock. A manual is being developed for the sustainable operation of shopping centers, employee training and the creation of a sustainability benchmark. District heating supply and green electricity reduce CO2 emissions — the conversion of most of the Deutsche EuroShop shopping centers to green electricity alone saves 23,400 tonnes of CO2 per year, on conservative calculations. In the waste disposal process, waste is separated into paper/cardboard, lightweight packaging, glass, food remains and residual waste. Green areas on roofs act as valuable biotopes in cities. They also help balance out fluctuations in temperature and further minimise energy consumption. An intelligent drinking water and wastewater concept saves valuable resources. The centers are ventilated exclusively via energy-efficient drives with low SFP (specific fan power) values. The large heat exchangers with a recovery rate of 70% reduce heating and cooling needs. Intelligent control systems ensure natural ventilation via the roofs. This does away with the need for mechanical cooling systems, as the excess pressure in the shops is reduced and the cool night air is currently sufficient to achieve pleasant temperatures. The areas for low-loss cast resin transformers are generally on the exterior walls, thus dispensing with the need for a separate mechanical cooling system. Compact locations that have previously been developed reduce the amount of natural land that is lost. Sustainability Maria Hill, Headof Sustainability,ECE Projekt-management THE CENTERS sustainability 64 DES Annual Report 2011