Evaluating Physical Interventions as a Function of Hazard and Risk

Because historic structures vary by condition, extent of surviving historic fabric, past and proposed use and other factors, no universal means exists to evaluate inherent fire safety or the impact of potential improvements. Further, buildings have different roles in the ongoing operations of their institutions, ranging from organisations where exhibition of the building is a primary purpose, to those where the primary value is associated with the ability to house the functions required of that organization, eg schools or commercial ventures. Decisions regarding physical interventions should be appropriate to recognised hazards, which may be identified by a building survey or by review of relevant statistics.

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Higher risk hazard occupancies such as residential uses, or higher hazard     operations such as those using flammable materials, warrant higher levels  of intervention than occupancies presenting minimal risk. Each building  warrants an assessment of its unique hazards, as identified.

Fire risk assessments are tools for analysing site-specific hazards, and       ultimately selecting fire safety interventions that will satisfy an    organisationÕs established objectives. For historic buildings, fire risk  assessments consider the hazards in the context of the ability to undertake  architectural improvements, or to install technological systems in a manner    that has an acceptable physical and visual impact, and the approaches  established by building regulations or permitted alternatives.

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