PREN 1463-1 : DRAFT 2008

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Types of road stud
5 Performance requirements
   5.1 Construction
   5.2 Dimensions
   5.3 Night-time visibility
        5.3.1 Photometric requirements
        5.3.2 Colorimetric requirements
   5.4 Daytime visibility of temporary road studs
   5.5 Resilience of depressible road studs
6 Road stud fixing
7 Marking
Annex A (normative) - Test method for the determination of the
        coefficient of luminous intensity
   A.1 General
   A.2 Apparatus
   A.3 Procedure
   A.4 Calculation and expression of results
Annex B (normative) - Test method for the determination of
        chromaticity co-ordinates of retroreflected radiation
   B.1 General
   B.2 Apparatus
   B.3 Procedure
   B.4 Calculation and expression of results
Annex C (normative) - Test method for the determination of
        chromaticity co-ordinates and luminance factor for
        daytime visibility
   C.1 General
   C.2 Apparatus
   C.3 Measurement and calculation
Annex D (normative) - Test method for the determination of the
        resilience of depressible road studs
   D.1 Apparatus
   D.2 Procedure
   D.3 Evaluation of the test
Annex ZA (informative) - Clauses of this European Standard
         addressing the provisions of the EU Construction
         Products Directive
   ZA.1 Scope and relevant characteristics
   ZA.2 Procedure(s) for the attestation of conformity of
         retroreflecting road studs
         ZA.2.1 System of attestation of conformity
         ZA.2.2 Certificate and Declaration of Conformity
   ZA.3 CE marking and labelling
Bibliography

Defines the initial performance requirements and laboratory test methods for retroreflecting road studs intended for use as permanent and temporary road marking materials.