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Fire protection, fire alarm systems

Revitalisation of HVB tower sprinkler protection, Munich

In 2014, the HVZ GmbH & Co. Objekt KG, represented by the Hypo-Bank Verwaltungszentrum GmbH, commissioned Kraftanlagen München for the revitalisation of the HVB tower sprinkler protection, as well as the south low-rise building and the entrance hall.

Kraftanlagen München carried out the complete reinstallation of the sprinkler protection following the removal of the objects. Due to the changed design of the supply system and the differing requirements of the technical regulations (primarily VdS - CEA 4001), all sprinkler pumps incl. switch cabinets were resupplied and commissioned.

The HVB tower – the main part of the building complex – stretches from the 5th floor to the 25th floor. It has a total height of 107 metres. This includes the highest sprinkler-protected floor (25th, top floor), 105 metres above the ground and approximately 120 metres above the pump system. The sprinkler protection in the tower is 100% redundant and office premises, executive suites and technical centres are all protected. The entire area of coverage is divided into three groups.

The south low-rise building stretches from the 1st floor to the 2nd floor. This primarily accommodates the conference centre, whose auditoriums (so-called places of assembly) must be protected accordingly.

The entrance hall, which serves as a connector, stretches from the 1st floor (basement) to the 5th floor. Because of the architectural characteristics, Kraftanlagen München also installed the particularly challenging sprinkler protection system in this building section.

Fact sheet

Costumer:
HVZ GmbH & Co. Objekt KG, represented by the Hypo- Bank Verwaltungszentrum GmbH

Period of execution
03/2014 – 12/2016

 

Scope of service:

  • Total number of sprinklers (ceiling incl. object protection) in the tower, incl. central sprinkler control systems: 7,924 units
  • Total number of sprinklers (ceiling incl. object protection) in south low-rise building: 1,292 units
  • Total number of sprinklers (ceiling incl. object protection) in entrance hall: 1,518 units
  • Pump system in tower area: 2 x sprinkler pumps with 160 kW power, shut off head approx. 160m, operating point of the most unfavourable area of coverage 15.2 bar, 2,248 l/min.
  • Pump systems for other building areas: 2 x sprinkler pumps with 132 kW power, shut off head approx. 104 m, operating point of the most unfavourable area of coverage 9.6 bar, 4,043 l/min.

 

 


 

 

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