References

Bulgaria operates a national siren network with 870 electronic sirens. Regional and local sirens and their control centres are integrated into this network. The communication infrastructure for raising the alarm is based on fibre optics as well as Tetra and VHF. 

HÖRMANN Warnsysteme not only installed approx. 300 sirens for this island nation, but our specialists also developed a special control software for the particular communication requirements in its decentralised infrastructure. Singapore has one of the most modern warning systems in the world. 

Sweden operates a national siren network. Planning, development and maintenance of the complete siren warning system have been performed by HÖRMANN Warnsysteme as part of a project including hardware and software development that has been ongoing since 1998.

The city of Bolzano operates a siren network with 30 ECN sirens via a central control centre. The sirens are used for warning civilians as well as for alerting fire services.

The city of Hamburg operates an extensive siren network with 134 sirens including various different types. System and site planning as well as installation, maintenance and sirens from HÖRMANN Warnsysteme. 

The city of Duisburg uses 67 high-performance ECN-D 1200 and ECN-D 2400 sirens with digital amplifiers to alert its citizens. The sirens are integrated into a BOS digital radio network. A connection was also established to an evacuation system for the neighbouring steel industry that comprises four other ECN-D sirens. 

The Pacific island nation of Vanuatu issues warnings to its population about imminent tsunamis using 19 ECN-D sirens via two control centres. 

The population of the Geiranger Fjord area is at risk of a tsunami due to potential rockfalls. 32 sirens from HÖRMANN Warnsysteme are used to protect civilians. 

182 solar-powered sirens, monitored by four regional and two central control centres, communicate via Ethernet, GPRS, satellite and radio and warn the population of the Manabi region in the event of imminent tsunamis. 

More than 30 ECN-D sirens are used to alert civilians in the event of tidal waves in the Croatian Drava river. The hydropower plant operates several of its own control centres and has also established control options for the national emergency control centres. 

In Spain, HÖRMANN sirens are installed at many dams to warn the population in case of floods and flood hazards.

With 560 sirens, controlled by 17 MCE Gateways, ensures Hidroelectrica S.A. the safety of the public along one of his hydro power plants. The sirens alert the public in case of a dam leakage or a controlled flooding.   

INEOS Oxide uses high-performance electronic sirens for indoor and outdoor use to issue warnings and provide information to its employees quickly. The PC-based control centre backed up by a second control centre. Communication takes place via a dedicated line and wirelessly. 

Aurubis AG operates a large copper works in Bulgaria. To ensure the safety of its employees, the world’s leading copper group relies on modern “made in Germany” electronic sirens from HÖRMANN Warnsysteme. 17 ECN-D sirens are wirelessly connected to two control centres and can be triggered in a matter of seconds if required. 

At the Nachterstedt plant, Novelis Deutschland GmbH has relied on electronic sirens from HÖRMANN Warnsysteme for many years. The electronic sirens communicate via radio with the MCE siren control and are used to alert the factory fire brigade and to evacuate the production halls in the event of a fire or disaster.

The city of Zwickau operates a complex alarm system with two uses. The siren network comprises 37 sirens from HÖRMANN Warnsysteme. The sirens were installed as part of a project funded by the Free State of Saxony in order to issue warnings to the population. Some sirens are also used to alert fire services. It is also possible to make announcements or play text messages. All sirens are wirelessly connected to a central control centre.

Eight high-performance electronic ECN-D 1200 sirens with digital amplifiers help to alert the fire service in the South Tyrolean city of Bruneck in the Puster Valley. The siren warning system is controlled via a PC in the control centre using CCCS operating software. Sirens and the control centre communicate via digital radio. Alternatively, the fire brigades can also trigger the sirens on site. 

As part of a new siren network for the municipality of Großenhain, the fire services have replaced the old motor sirens with modern electronic ECN-D sirens.

The MOBELA mobile siren in use during the controlled detonation of the aerial bomb in Schwabing

The fire service in Bochum, Germany, operates four warning vehicles with MOBELA 150-D mobile sirens to alert the local population.

A mobile warning and information system (Mobela) supports the fire services with mobile sirens in the Bad Kissingen district.