BS 873-4:1987

Superseded

View Superseded by

Road traffic signs and internally illuminated bollards Specification for road studs

Amended by

BS EN 12899-1:2001

Available format(s)

Hardcopy , PDF

Superseded date

31-10-2006

Language(s)

English

Published date

30-01-1987

Publisher

British Standards Institution

Foreword
Committees responsible
Specification
1. Scope
2. Definitions
3. Marking
4. Construction of road studs
5. Materials
6. Colorimetric requirements for the retroreflectors
     of reflecting road studs
7. Photometric requirements for the retroreflectors
     of permanent reflecting road studs
8. Colorimetric and luminance requirements for the
     body of temporary reflecting road studs
9. Photometric requirements for retroreflector of
     temporary reflecting road studs
10. Colour fastness to light of body of temporary
     reflecting road studs
11. Corrosion resistance of the retroreflectors of
     reflecting road studs
12. Resilience of depressible reflecting road studs
13. Adhesives for bonding road studs
Appendices
A. Tests
B. Sampling procedure for laboratory tests of road
     studs
C. Method of test for corrosion resistance of
     retroreflectors or reflecting road studs
D. Method of test for resilience of depressible
     reflecting road studs
E. Method of test for adhesives for bonding
     permanent road studs
F. Information on test for performance of reflecting
     road studs under conditions of traffic
G. Installation of road studs
Tables
1. Corner coordinates for white retroreflectors
2. Corner coordinates for red retroreflectors
3. Corner coordinates for amber retroreflectors
4. Corner coordinates for green retroreflectors
5. Minimum R values for category A permanent studs
6. Minimum R values for category B permanent studs
7. Corner factors for the retroreflectors of
     reflecting road studs
8. Corner coordinates and minimum luminance factor
     for temporary road stud body
9. Minimum and maximum R values for category A
     temporary studs
10. Minimum and maximum R values for category B
     temporary studs
11. Test temperature for adhesive cure
12. Laboratory tests required
13. Number of studs required for laboratory tests
Figures
1. Test specimen for shear strength test
2. Restraining frame

Reflecting and non-reflecting road studs, including temporary reflecting road studs for use at road work installations. Recommendations for the installation of road studs are also given.

Committee	B/509
DevelopmentNote	Supersedes BS 873-4(1973) & 85/13788 DC (06/2004) Inactive for the new design. (04/2006)
DocumentType	Standard
Pages	18
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS EN 1463-1:1998 BS EN 1463-1:2009 BS EN 1463-2:2000 BS 8442:2006
Supersedes	BS 873-4:1973

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