Customer: Bau- und Liegenschaftsbetrieb NRW, Aachen
Architect: Jerusalem Ingenieure GmbH, Aachen
Net costs building services €: 4,750,000
Project period: 2011 until 2014
Services: Planning and monitoring, sanitary systems, heating systems, ventilation systems, cooling systems, electrical engineering, communications engineering, building automation, conveyance systems
Net costs, building services €: 1,980,100
Project period: 2011 - 2015
The Air Base Geilenkirchen is located in the heart of the Teverener Heide natural area, close to the Dutch border. Between 2012 and 2014, a new administrative facility was built on the base as a first step. ZWP Ingenieur-AG planned the technical building services for this. The new building is connected to the structure of an existing building via a connecting corridor. This building is mainly used for offices.
In a second construction stage, the existing building was reduced in size. The remaining components were extensively refurbished in terms of energy efficiency.
The heat supply for both buildings was ensured via the district-heating network.
A heat pump in conjunction with a district heating transfer station is used to supply the buildings with heat. To cover the heating load in the new building, near-surface concrete core activation was used in the rooms with external walls, which can be used for both heating and cooling. Cooling is provided by two compression chillers.
Ventilation and extraction (hygienic air exchange) of the main usable areas such as offices, meeting rooms and adjoining ancillary rooms is realized by a combined supply and exhaust air system with the functions of filters, heat recovery as a rotary heat exchanger, mixing chamber and pre-heater. The heat recovery consists of a rotary heat exchanger, which also ensures re-humidification of the supply air via the exhaust air volume flow in winter.
Individual room control for heating and cooling as well as for sun protection and lighting using presence detectors is used for the usage areas. The lighting is controlled according to the amount of daylight. The aim is to make optimum use of solar radiation in winter, but to avoid solar input in summer. If people are in the room, the lighting is switched to comfort mode with priority given to glare-free lighting. LED technology was used for the lighting in the public areas.
Due to the use of the building, it is equipped with an extensive alarm system.
In both buildings, rooms with high fire loads are protected by gas extinguishing systems. The gas extinguishing systems were designed to be 100% redundant in accordance with VDS guideline 2380.
Images: © ZWP Ingenieur-AG / Solveig Böhl
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