BS 3251:1976
Current
The latest, up-to-date edition.
Specification. Indicator plates for fire hydrants and emergency water supplies
Hardcopy , PDF
English
30-04-1976
Foreword
Co-operating organizations
Specification
Section one. General
1 Scope
2 References
3 Definition
4 Marking
Section two. Design
5 Dimensions
6 Character sizes
7 Presentation of information
8 Colour
Section three. Materials and manufacture
9 Choice of materials
10 Characters
11 Removable characters
12 Finish
13 Protective painting
Section four. Tests
14 Overall requirement
15 Numbers to be tested
16 Impact resistance test
17 Colour stability and resistance to weathering
18 Flexibility
19 Security of removable characters
20 Test certificate
Appendix
A Recommendations for fixing indicator plates
Figures
1 Single class A hydrant indicator plate
2 Single class B hydrant indicator plate
3 Double class A hydrant indicator plate
4 Double class B hydrant indicator plate
5 Class C emergency water supply indicator plate
6 Class D meter bypass indicator plate
7 Removable digit and spacer piece
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