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British Standard-BS ***3 fire test to railway components

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BS ***3 fire test to railway components

> BS ***3: Code of practice for fire precautions in the design and construction of passenger carrying trains

BS ***3 Fire Test to railway components - Introduction

The standard has been extensively revised to assist railway vehicle builders in interpreting guidance from the Safety Regulatory Authority on fire performance. It is envisaged therefore that this standard will have a wider use than the previous edition and reflects the concern of the Fire Standards Committee by upgrading the responsibilities of railway vehicle designers, builders and manufacturers, encouraging them to produce safer materials which release less toxic effluent in a fire, for future safety.

Thus adherence to the code should be considered to have provided an environment for which it has been demonstrated that:

> Acceptable control of the risk of ignition has been achieved

> Acceptable control of the rate of and total emission of heat, smoke and toxic fume has been achieved for all major usage materials and surfaces when exposed to a source of ignition

> Acceptable resistance to fire has been achieved for all materials and items required to perform as a barrier to fire or which are required to perform some function when exposed to fire

BS ***3 Fire Test to railway components – Scope

This British Standard makes recommendations in respect of fire safety for the design and construction of railway vehicles comprising or forming part of passenger carrying trains. The recommendations are applicable to new vehicles and also to substantial changes to existing vehicles

The recommendations in this British Standard cover:

a) The reaction to fire of materials;

b) The use of fire resisting barriers;

c) General aspects of design for fire safety.

BS ***3 Fire Test to railway components – Material under products Scope

- Rubber Products (Seal and filter）

- Melamine foam for thermal insulation

- Sound insulation blanket

- Textile for curtain, seat backing

- Plastic Products (light shade, shell of cell)

- Flooring (glue and adhesive）

- Cable

- Sound insulation blanket

- Electrical Device

- Fire-resistance paint

- Fire-redartant adhesive

- Seat (Sponge)

BS ***3 Fire Test to railway components – Reference Standard

> BS ****4, Fire tests on building materials and structures - Part 4: Non-combustibility test for materials.

> BS ****6, Fire tests on building materials and structures - Part 6: Method of test for fire propagation for products.

> BS ****7, Fire tests on building materials and structures - Part 7: Method of test to determine the classification of the surface spread of flame of products.

> BS *****5, Fire tests on building materials and structures - Part *5: Method for measuring the rate of heat release of products.