Working environment
The ČSOB Campus Foto: Vojta Herout, www.vojtaherout.com

The ČSOB Campus

Czech winner of the Working environment 2020 category

In 2019, ČSOB completed the construction of an expanded headquarters in Radlice, Prague. It symbolizes everything that characterizes a modern employer today - innovation, a flexible working environment and a responsible approach to society with an emphasis on sustainability and ecology. The new building copies the relief of the slope which it is located in, and thanks to the materials used and the roof greenery, it blends in perfectly with the surroundings.

The heating and cooling using an extensive system of heat pumps is especially unique. The building does not need a classic boiler room. The complex manages drinking water sustainably, mainly thanks to the use of rainwater.

The Adaptation Journey

 
The positive impact
ČSOB's goal was to create a quality working environment which would be sustainable and in harmony with nature. Thanks to careful water management, ČSOB successfully responds to long-term drought. It supports the health of the surrounding green areas and trees, which naturally prevent increasing temperatures and on the contrary help reduce the air temperature in an otherwise hot city by several degrees. Thanks to modern technological procedures, it makes the complex a pleasant working during hot summer days.
 
How does it work?
The ČSOB Campus is consists of two connected buildings. The original NHQ building built in 2007 was very unique at that time when it comes to sustainability and being environmentally friendly. In 2019, ČSOB finished the new SHQ building using the most modern technology in order to respect the Radlice Valley, where it is located, to be very cost effective and sustainable and at the same time to meet the goal of providing a modern working environment for employees.

Green roofs

The roofs of both buildings are covered with plants. ČSOB used mostly intensive green roofs on which we can even find big trees. It also used extensive roofs. There is also automatic drip irrigation on the roofs, which helps not waste much-needed water.

Water management

The campus draws rainwater from its roofs into storage tanks and uses it to irrigate intensive green roofs and greenery around buildings.

According to the international certification of environmentally friendly and sustainable buildings LEED Gold, the NHQ building will save 13.9% of drinking water and the SHQ building will save 47.06% of drinking water according to the LEED Platinum certification.

The large number of green areas around the buildings allows water to seep naturally into the soil.

Heating and cooling

Heating and cooling is provided by a system of 177 geothermal pipes driven by 4 compressor cooling units with the possibility of operating in heat pump mode. The pipes are 150 meters deep and reach a total length of over 26 kilometres, which making them the largest system of geothermal pipes in the Czech Republic. This system was created together with the construction of the new SHQ building. However, its surpluses reach such levels that they can cool and heat even the older NHQ building.

Local vegetation also helps reduce the temperature in buildings and in their surroundings. Green roofs serve as a natural thermoregulation of buildings. In addition, the complex works with natural air ventilation. Both buildings of the complex are equipped with an automatic air conditioning system, which opens the windows at night, when the air is the coolest.

Promotion of biodiversity

Plants on the roofs and around the buildings provide a suitable environment for insects, birds and, for example, also fungi and plat species. In addition, the plants create a pleasant environment for employees.
 
Original state
Only the NHQ building on one side of the Radlice road stood on the site of the current ČSOB Campus complex.
 
Operation and maintenance
Maintenance corresponds to the scope and complexity of the buildings. However, the expected maintenance costs are lower thanks to the recycling of some resources, such as the use of rainwater to irrigate plants or heat accumulation from geothermal wells.
 
Why was the measure chosen?
When the bank decided to continue with the construction, a proper tender was held during which it was emphasized that the new building would naturally take up the existing NHQ building, and create a unified campus based on the values of ecology, sustainability and the use of modern technologies.
 
Obstacles and challenges
One of the challenges was the small delays in construction caused by the use of cutting edge technology.

Administrative buildings Urban greenery Use of rainwater Heating Green roof Biodiversity Heat waves and thermal island Lack of water and drought Green energy 

Locality:
Praha 5 Radlice, Czech Republic
Timeframe:
NHQ finished 2007, SHQ finished 2019
Author:
Atelier of Josef Pleskot (NHQ) & Chalupa Architekti (SHQ)
Contractor:
NHQ Skanska, SHQ Hochtief
Investor:
ČSOB
Contact:
Aneta Valdhansová
avaldhansovahaha.@csob.cz
“The ČSOB headquarters could have been built as a huge building, which would significantly (similarly to other large monofunctional areas) contribute to the expansion of the so-called urban heat island areas. However, this did not happen. Instead, thick green roofs, a fleet of heat pumps and the use of rainwater were bold solutions at that time. Here, ČSOB has something to be proud of.”
Ing. arch. PhDr. Lenka Burgerová, PhD.
The expert jury member

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