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Content archived on 2024-04-16

Major hazards arising from fires in warehouses and chemical stores

Objective

The objective is to quantify the hazards to man and the environment arising from fires in stores of toxic chemicals, particularly those containing pesticides, plastics and fertilizers.

This proposal is concerned with the quantification of hazards to man and the environment arising from fires in stores of toxic chemicals. The Sandoz warehouse fire and the Nantes fertilizer incident are typical examples. Current methods for computing the risks and consequences from such fires are inadequate due to the lack of any experimental data on the mix and yield of combustion products and the difficulty of predicting the rate of fire growth in such stores. Thus the aim of this project will be to provide a reliable and well validated set of models, suitable for use in a risk assessment.

There are 7 main work programmes as follows.
Review current data and assess the potential of the cone calorimeter for providing data relevant to the understanding and quantification of the initial growth of the fire, particularly the possibility that it will develop.
Undertake small and medium scale combustion experiments on a representative range of materials to quantify the burn rates, flame spread, and yield of combustion products.
Undertake parallel modelling studies of the above experiments to aid development of predictive models for these parameters.
Undertake full scale field studies to allow measurement of both the heat transfer to the building structure and the rate of fire development. The chemical consumption and takeup of the various consistuents will also be assessed at the same time, together with the plume behaviour and particular dispersion. The results will be compared with wind tunnel data to obtain scaling parameters.
Undertake modelling studies (including computational fluid dynamics(CFD) techniques) to assess predictive capabilities with respect to the flows of hot combustion products and plume dispersion.
Assess the viability of mitigation techniques such as water sprinklers and smoke vents.
Use the data to develop a computerized risk assessment methodology for predicting risk contours based on an expert system, and also methodologies for dealing with incidents.

Topic(s)

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Call for proposal

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Coordinator

Health and Safety Executive (HSE)
EU contribution
No data
Address
Harpur Hill
SK17 9JN Buxton
United Kingdom

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Total cost
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Participants (8)