The floor covering BS6853 test item and standards?

BS6853:1999: Code of practice for fire precautions in the design and construction of passenger carrying trains
The floor covering for BS6853 testing according to BS6853 Table 1 or BS6853 Table 4.

BS6853 Table 1--Interior Horizontal supine surfaces test item and standard：
BS476-7: Surface Spread of Flame 
Or BS EN ISO 9239-1: Flame spread using a radiant heat ignition source
BS6853 Annex D: Flooring test 
BS6853 Annex B.2: Toxicity test 

Horizontal supine surface (HS surface): “floor like” upward facing surface within 45°of the horizontal.

Detail information, please contact to Nanjing Smart Technology Co., ltd
Tel: (+86) 25 86583475     (+86) 400 6036575
Web: www.fire-test.com    www.fire-test.cn 
Email: info@fire-test.com
Official WeChat-"firetest" or "睿督防火测试"

…