BSI - BS 3251
Specification Indicator plates for fire hydrants and emergency water supplies
|Publication Date:||30 April 1976|
|ICS Code (Fire-fighting):||13.220.10|
Dimensions for sheet steel, cast iron, aluminium alloy or plastics indicator plates. Colours and finish, tests for impact resistance, colour stability, resistance to weathering, flexibility and security of removable numerals. Recommendations for fixing.