24 CMS Amsterdam | Photo: G&S Vastgoed CMS South Tower Atrium The South Tower estate that is part of the New Atrium building is made of the most sustainable materials. It has solar panels on its roof and its exterior consists of an ingenious climate façade that ventilates warm air in the summer between the inside and outside ‘skin’ of the building. This keeps the interior building cool. In the winter the ventilation is cut off, causing the still air to heat up and warm the building. The building also has a ground-coupled heat exchanger and energy efficient led lighting as well as water-saving techniques on the toilets and water locks on taps. The design uses glass to exploit daylight to the fullest. 2Amsterdam The former Twin Towers are being repurposed as a multi-functional building with flexible office space, a fourstar hotel with 328 rooms, a semi-public garden and restaurants. The renovation and expansion entails around 55 000 m2 including the bicycle and car parking lot. A number of solutions have contributed to the sustainability of the building and create a pleasing work environment for employees. The cement hull was preserved and efficient lighting keeps the energy use low. The building is heated and cooled through thermal storage and the roof has solar panels. All sanitation is installed with water-saving facilities. The office building received a BREEAM-NL In Use Excellent certificate. The hotel is aiming for a 6 on the GPR sustainability index. 2Amsterdam was designed by KCAP under an assignment by Provast for CRI.
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