Firefighting with Water Motor – Driven Foam Pump System

Tyco Fire Protection Products showcased its experience in water mist suppression solutions on 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 mentioned how the extinguishant is properly suited to the protection of irreplaceable works and artefacts in highly priceless buildings.
Tim’s lecture centered on a fire take a look at protocol that was formulated to verify the performance and use of Tyco’s personal water mist answer, AquaMist, in an historical constructing, home to valuable archive storage. The National Fire Protection Association (NFPA) 750 commonplace requires that, when using a water mist suppression system, fire testing is undertaken pertinent to the risk. However, of the printed fireplace test protocols listed in NFPA 750, none particulars the necessities for archives that include roller (compact) racking. Many of the racks within the targeted constructing are of the ‘roller’ type, which limit the quantity of house for constructing companies, including those for extinguishing system pipework.
Together with the challenge stakeholders, Tyco devised the protocol to incorporate take a look at rig and format, check type, hearth load, information acquisition (for instance, sensors and imaging), hardware required (such as pumps, nozzles, pipe, tank, generator), and well being and safety procedures (for instance, the hearth brigade). The associated performance primarily based fireplace tests have been then designed to copy the vary of utility parameters related to archive storage.
While ignition sources on the unique website have been identified to be minimal, and the primary fire source confirmed as arson, the multi-level constructing poses numerous challenges that had to be thought-about when formulating the hearth check protocol to guarantee efficient safety. Low ceilings and numerous obstructions, similar to lighting, ducts and pillars, contribute towards the confined setting of the archive storage basement degree. Items are stored in a combination of open racks and compact racks, which offer less than a 150mm hole between themselves and the ceiling, and there might be limited on-site water storage. Pre-test threat analysis also highlighted restricted entry and exits below and above floor, so it is essential for cupboard space to be maximised and safe egress offered in case of the event of a fireplace. In addition, the highly valuable nature of the storage contents meant that the chosen fireplace suppression solution had to ensure minimal damage to those historical objects.
To obtain validation, the tests needed to meet numerous goals. These comprised fast management of the hearth within a prescribed area (in this case, defined as within a block of racks); control of temperature; attenuation of radiation; and minimisation of collateral injury via water clean-up. They additionally had to bear in mind various parameters, including the required high stress mist system; a 30 minute run time; and an annual measurable achievement goal (AMAO) defined in accordance with a method based on the quantity of nozzles activating throughout testing.
The fire tests, carried out for each open and roller racks with minimal storage gaps, had been undertaken in a personalized test rig, designed, built and fitted to duplicate the exact specification, racking arrangements and storage supplies of the location. Considered a excessive load, the gas materials were equivalent to that present in archive storage, together with paper, books, micro-film and CD circumstances.
เกจวัดความดันน้ำ was defined by pass or fail criteria and decided by detailed quantitative measurements on system configuration, hydraulic evaluation, discharge pressure, discharge sequence, hearth spread, temperature, hearth damage and water consumption. In both tests, Tyco’s AquaMist system operated successfully and was observed to suppress and management the hearth efficiently. The venture team was impressed by the shortage of fireplace and smoke damage to the supplies and construction and the product has since been installed in the building in query.
“The IWMA convention is a incredible alternative to focus on the benefits of water mist as a hearth suppression answer, in addition to demonstrate its versatility in a variety of functions,” comments Dr Tim Nichols. “Identifying a niche available in the market and taking the chance to formulate a fireplace 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 property.”
For extra info, go to

Leave a Comment