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 using Water Mist’, where he discussed how the extinguishant is properly suited to the safety of irreplaceable works and artefacts in extremely priceless buildings.
Tim’s lecture targeted on a fire take a look at protocol that was formulated to verify the performance and use of Tyco’s own water mist resolution, AquaMist, in an historic constructing, house to valuable archive storage. The National Fire Protection Association (NFPA) 750 standard requires that, when using a water mist suppression system, fire testing is undertaken pertinent to the risk. However, of the revealed hearth check protocols listed in NFPA 750, none details the requirements for archives that contain curler (compact) racking. Many of the racks within the focused constructing are of the ‘roller’ type, which restrict the quantity of space for constructing companies, together with those for extinguishing system pipework.
Together with the challenge stakeholders, Tyco devised the protocol to incorporate take a look at rig and structure, check kind, fire load, knowledge acquisition (for instance, sensors and imaging), hardware required (such as pumps, nozzles, pipe, tank, generator), and health and safety procedures (for instance, the hearth brigade). The associated efficiency based fire exams were then designed to duplicate the vary of software parameters associated with archive storage.
While ignition sources on the authentic site had been identified to be minimal, and the principle fire source confirmed as arson, the multi-level constructing poses numerous challenges that had to be thought of when formulating the fire take a look at protocol to ensure efficient protection. Low ceilings and numerous obstructions, corresponding to lighting, ducts and pillars, contribute in path of the confined surroundings of the archive storage basement level. Items are stored in a mix of open racks and compact racks, which offer lower than a 150mm hole between themselves and the ceiling, and there could be restricted on-site water storage. Pre-test risk analysis additionally highlighted restricted access and exits below and above floor, so it’s important for cupboard space to be maximised and protected egress offered in case of the event of a fireplace. In addition, the extremely useful nature of the storage contents meant that the chosen fire suppression answer had to make sure minimal injury to these historic items.
To obtain validation, the checks had to meet varied objectives. These comprised rapid control of the fire within a prescribed area (in this case, outlined as inside a block of racks); control of temperature; attenuation of radiation; and minimisation of collateral damage via water clean-up. They additionally needed to take into account various parameters, including the specified high pressure mist system; a 30 minute run time; and an annual measurable achievement objective (AMAO) outlined according to a formulation primarily based on the amount of nozzles activating during testing.
เกจ์วัดแรงดันน้ำ , carried out for each open and roller racks with minimal storage gaps, have been undertaken in a personalized take a look at rig, designed, constructed and fitted to copy the precise specification, racking arrangements and storage supplies of the location. Considered a high load, the fuel materials have been equivalent to that present in archive storage, including paper, books, micro-film and CD cases.
Success was defined by move or fail criteria and decided by detailed quantitative measurements on system configuration, hydraulic analysis, discharge pressure, discharge sequence, fireplace spread, temperature, hearth damage and water consumption. In each tests, Tyco’s AquaMist system operated effectively and was observed to suppress and management the fireplace effectively. The challenge staff was impressed by the dearth of fireside and smoke harm to the supplies and construction and the product has since been installed within the constructing in question.
“The IWMA convention is a fantastic opportunity to focus on the advantages of water mist as a fire suppression resolution, as nicely as show its versatility in a variety of functions,” feedback Dr Tim Nichols. “Identifying a spot available within the market and taking the chance to formulate a hearth check protocol for archive storage enabled us to validate the skilled capabilities of our AquaMist system and facilitate safety of a customer’s extremely valuable assets.”
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