\ Network Rail Archive Store Case Study \ The very latest Hydramist速 technology for fire fighting has been used to ensure historic and valuable documents held in the Network Rail Central Archive Store are protected by the most effective and efficient means.
Project The bespoke warehouse archive facility contains an irreplaceable collection of rail-related documents dating back well over a hundred years. By using the Hydramist速 system Network Rail knew that they would be protected by a 21st century fire protection and detection system.
Requirements A requirement of the design was that the fire protection system should protect each individual storage area separately and be able to detect smoke before it was visible to the human eye.
Testing A series of fire tests were designed and carried out by Watermist Limited in accordance with the guide-lines of NFPA750 and the specific requirement of Network Rail under the supervision of their designated fire risk consultant.
Solution
to the affected area only.
The Hydramist速 high pressure system was linked to VESdA (Very Early Smoke detection Aspirator) detection in the archive areas and conventional point type detection in the Escape routes, corridors and stairs.
Additionally it was observed that the precious archive documents stored adjacent to the fire source were safe throughout the tests as there was zero water penetration to the document containers.
Observations
Conclusion
It was observed that fires started in various positions within a scaled section of a typical archive store were quickly controlled by the Hydramist速 system preventing the fire from spreading and containing the smoke
Crucially, the tests showed that this was the right solution for the archive being both effective at fighting fire and safe for the document storage application..
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