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    Full-Scale Testing of Fire Suppression Agents on Unshielded Fires (1998)

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    FireEngResearchReport98-2.pdf (12.07Mb)
    Type of Content
    Theses / Dissertations
    UC Permalink
    http://hdl.handle.net/10092/10228
    
    Degree Name
    Master of Engineering
    Publisher
    University of Canterbury. Department of Civil and Natural Resources Engineering
    ISSN
    1173-5996
    Collections
    • Engineering: University of Canterbury Fire Engineering Programme Research Publications [98]
    Authors
    Dunn, Michael J
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    Alternative Title
    Fire Engineering Research Report 98/02
    Abstract

    A comparison is made between CAFS (compressed air Foam), HPD (High Pressure Discharge) and HPD with Class A Solution on unshielded post flashover compartment fires. Extinguishment was carried out by trained fire fighters using hand held lines, whilst the method of attack was carried out following New Zealand Fire Service operating procedures. The effectiveness of each method was determined, by recording the heat release rate using the method of Oxygen Calorimetry. Knockdown effectiveness was also evaluated by recording internal compartment temperatures with the use of thermocouples. In addition comments from firefighters have been recorded and video footage reviewed so that a qualitative assessment could also be made. It was found that CAFS performed more effectively than HPD or Class A solution, in that less water was needed to obtain a similar knockdown performance. No noticeable benefit was obtained when Class A solution was added to the unmodified HPD line. The biggest advantage of CAFS over the other methods was the ability in being able to attack the compartment indirectly from a distance, which has additional benefits with respect to fire fighter safety.

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    Copyright Michael J Dunn
    https://canterbury.libguides.com/rights/theses

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    • Full-Scale Testing of Fire Suppression Agents on Unshielded Fires 

      Dunn, Michael J (University of Canterbury. Civil Engineering, 1998)
      A comparison is made between CAFS (compressed air Foam), HPD (High Pressure Discharge) and HPD with Class A Solution on unshielded post flashover compartment fires. Extinguishment was carried out by trained fire fighters ...
    • Full-Scale Testing of Fire Suppression Agents on Shielded Fires 

      Gravestock, Neil (University of Canterbury. Civil Engineering, 1998)
      This report examines the relative effectiveness of water mist, water mist with class A foam concentrate added, and class A compressed air foam in the extinguishment of a shielded, post-flashover, compartment fire. This is ...
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      This paper describes a series of full-scale furnace tests on loaded post tensioned LVL beams. Each beam was designed to exhibit a specific failure mechanism when exposed to the standard ISO834 fire. In addition to the beams ...
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