ESSMANN case study 
"Multi-storey car park in Dresden"

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The increasing volume of cars on our roads is resulting in an acute shortage of parking spaces in many town centres. Woba Dresden GmbH has built the largest fully automatic, public multi-storey car park in Germany to cope with the lack of car parking facilities in Dresden, a city which is found on the River Elbe. The building aimed to set new standards in terms of both engineering and visual design and to blend in perfectly with the existing cityscape. The multi-storey car park on Hauptstrasse opened in autumn 2004.

Project definition

• Natural daily aeration and ventilation, with soundproofing (due to the car park's location in a residential area)
• Natural smoke and heat extraction using equipment that complies with DIN EN 12101 Part 2 - Installation of soundproofed fresh air openings for the purposes of both ventilation and smoke and heat extraction
• Integration of the whole system into the on-site building control system

ESSMANN solution
Four ESSMANN large-surface ventilators are used to ensure continuous, rainproof ventilation. A natural ventilation system only works properly if an appropriate volume of fresh air is made available. This is why six ESSMANN finned ventilators were incorporated into the system to act as fresh air equipment. They also provide fresh air for the planned smoke and heat extraction system and are fitted with integrated soundproofing. In the event of a fire, the built-in ESSMANN double flaps extract smoke from the multi-storey car park. These flaps are also fitted with appropriate fire protection. All openings have been fitted with special sound traps to provide the necessary soundproofing (as the car park is located in a residential area). Customer benefits

• Low running costs: The planned solution requires no mechanically-driven ventilators whatsoever. The ample availability of natural lift within the building is sufficient to act as a drive.
• Low noise emissions: The decision not to install mechanical ventilators reduced the noise level of the system during operation. The sound traps built into both the fresh air and extracted air systems absorb any noise caused by the operation of the system.
• Optimised maintenance: All of the components used are low maintenance. Any bearings that are required, for example, are permanently lubricated. The system was deliberately designed without any electro-mechanical components whatsoever.
• Durable design: All components are made of robust, corrosion-resistant aluminium. Not only do they offer lasting visual appeal, they are also extremely resistant to wear and tear.

Result