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Fire detection for NHS unit

Fire detection products from Notifier by Honeywell have been installed at Sussex’s purpose-built medium secure NHS unit.

Opened in 2012 at a cost of £15m, the site for people over 18 with mental health problems is operated by Sussex Partnership NHS Foundation Trust, with a number of specialist wards to assess and manage patients in safety and security.

Based in Brighton, Sovereign Alarms Limited won the initial tender to fit the fire detection system at this specialist unit. Matt Gillam, the company’s Contracts Manager, says: ‘We are experts in the fields of fire alarms, intruder alarms, emergency lighting, CCTV, access control, fire extinguishers and fire risk assessments and are proud of our customer focused approach. Having worked across the south of England and beyond we were invited to put forward our proposal, which was based around the installation, commissioning and on-going maintenance of a life safety system that combined state-of-the-art fire detection with minimal potential for unwanted alarms. For that we chose a system from Notifier.’

Aims

The system had to comply with Health Technical Memorandum (HTM) 05-02 – Guidance in support of functional provisions (Fire safety in the design of healthcare premises). Its aim is to ensure that everyone concerned with the management, design, procurement and use of a healthcare facility understands the requirements of fire safety in order to ensure optimum safety for all who are present in the building. Matt Gillam says: ‘While not intended to cover every possible scenario, the standards and principles HTM 05-02 recognise that fire safety in healthcare premises is dependent on the interaction between physical fire precautions, the dependency of the patient, the fire hazards and the availability of sufficient and appropriately trained staff to safely evacuate patients in a fire emergency.’

Focal points of the installation are six Notifier ID3000 control panels, which can accommodate between two and eight addressable loops, with each loop supporting up to 198 devices with a total of up to 255 zones per panel. Its modular design allows for a range of applications, for installation and servicing, the makers say. The ID3000’s EN 54 compliant LCD screen, gives designated personnel a consistent interface for monitored equipment.

Mick Bull, Business Manager at Notifier, says: ‘ID3000 sets the standard in areas such as functionality, flexibility, user friendliness and reliability. Its modular design offers a technically sophisticated range of facilities and functions whilst remaining easy to install, program and operate. Furthermore, devices can be programmed to compensate for the differences in the use of areas where detection devices are utilised. A total of nine different sensitivity levels can be assigned to individual smoke sensors, thereby allowing Sovereign Alarms Limited to closely match the sensor’s response to the particular environment in which the device is located.’

Linked to the ID3000 control panels are a number of Notifier’s Opal photoelectric smoke detectors, which are sited in all areas except the kitchen. With a chamber design, these optical smoke detectors reduce sensitivity changes caused by settling dust and reduced unwanted alarms. The plug-in unit uses processing circuitry that incorporates smoothing filters to help eliminate transient environmental noise conditions that can be the cause of unwanted alarms. The devices are managed by embedded software running complex algorithms. The heat detectors located in the kitchens use thermistor and microprocessor technology to provide an alarm when the rate of rise in temperature exceeds 10 degrees C per minute, or if the temperature exceeds a threshold of 58 degrees C.

Safety

Peter Wright, Fire Safety Manager at Sussex Partnership NHS Foundation Trust, says: ‘The protection of vulnerable people is something that we take incredibly seriously. Therefore, we need to know that our life safety infrastructure will perform as required and keep people on the premises safe at all times. I am very impressed with the quality of Notifier’s technology and this, combined with the skills and expertise of Sovereign Alarms Limited, gives me total peace of mind.’

Visit www.notifierfiresystems.co.uk.


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