Tyco Fire Protection Products showcased its expertise in water mist suppression solutions at the International Water Mist Association (IWMA) Conference in Istanbul. Dr Tim Nichols, Sales Director Water Mist EMEA, gave a presentation entitled ‘Fire Protection of Compact Archive Storage utilizing Water Mist’, where he discussed how the extinguishant is well suited to the protection of irreplaceable works and artefacts in highly useful buildings.
Tim’s lecture centered on a hearth test protocol that was formulated to confirm the efficiency and use of Tyco’s personal water mist resolution, AquaMist, in an historic constructing, home to treasured archive storage. The National Fire Protection Association (NFPA) 750 normal requires that, when using a water mist suppression system, fireplace testing is undertaken pertinent to the danger. However, of the printed fireplace take a look at protocols listed in NFPA 750, none details the necessities for archives that comprise curler (compact) racking. Many of the racks in the targeted constructing are of the ‘roller’ kind, which limit the quantity of house for building services, including those for extinguishing system pipework.
Together with the venture stakeholders, Tyco devised the protocol to include test rig and layout, test sort, fireplace load, knowledge acquisition (for instance, sensors and imaging), hardware required (such as pumps, nozzles, pipe, tank, generator), and well being and security procedures (for instance, the hearth brigade). The associated efficiency primarily based hearth checks had been then designed to copy the vary of application parameters related to archive storage.
While ignition sources on the authentic website were recognized to be minimal, and the principle fire source confirmed as arson, the multi-level building poses numerous challenges that had to be considered when formulating the hearth take a look at protocol to ensure effective protection. Low ceilings and numerous obstructions, such as lighting, ducts and pillars, contribute in the path of the confined surroundings of the archive storage basement degree. Items are saved in a mix of open racks and compact racks, which offer less than a 150mm hole between themselves and the ceiling, and there is restricted on-site water storage. Pre-test danger evaluation also highlighted restricted entry and exits under and above ground, so it is important for storage space to be maximised and safe egress supplied in case of the occasion of a hearth. In addition, the highly valuable nature of the storage contents meant that the selected fireplace suppression resolution had to make sure minimal damage to these historic gadgets.
To achieve validation, the tests had to meet varied goals. These comprised rapid control of the fireplace inside a prescribed space (in this case, outlined as within a block of racks); control of temperature; attenuation of radiation; and minimisation of collateral injury through water clean-up. เพรสเชอร์เกจลม had to bear in mind numerous parameters, together with the required high pressure mist system; a 30 minute run time; and an annual measurable achievement objective (AMAO) outlined according to a method based on the amount of nozzles activating throughout testing.
The hearth checks, carried out for both open and roller racks with minimal storage gaps, had been undertaken in a customized check rig, designed, constructed and fitted to replicate the exact specification, racking arrangements and storage supplies of the location. Considered a high load, the gasoline materials have been identical to that present in archive storage, together with paper, books, micro-film and CD circumstances.
Success was defined by move or fail standards and determined by detailed quantitative measurements on system configuration, hydraulic analysis, discharge pressure, discharge sequence, fireplace unfold, temperature, fire damage and water consumption. In each checks, Tyco’s AquaMist system operated successfully and was noticed to suppress and management the hearth efficiently. The challenge team was impressed by the shortage of fireplace and smoke harm to the supplies and structure and the product has since been installed in the constructing in question.
“The IWMA conference is a fantastic opportunity to highlight the benefits of water mist as a hearth suppression resolution, in addition to demonstrate its versatility in a variety of applications,” feedback Dr Tim Nichols. “Identifying a spot out there and taking the chance to formulate a fire test protocol for archive storage enabled us to validate the skilled capabilities of our AquaMist system and facilitate safety of a customer’s highly priceless assets.”
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