BS 8442:2022 – TC
$206.88
Tracked Changes. Miscellaneous road traffic signs and devices. Requirements and test methods
Published By | Publication Date | Number of Pages |
BSI | 2022 | 98 |
PDF Catalog
PDF Pages | PDF Title |
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1 | compares BS 8442:2022 |
2 | TRACKED CHANGES Text example 1 — indicates added text (in green) |
6 | Foreword Publishing information Supersession Product certification/inspection/testing Information about this document Presentational conventions |
7 | Contractual and legal considerations Contractual and legal considerations Compliance with a British Standard cannot confer immunity from legal obligations. |
8 | 1 Scope 2 Normative references Standards publications |
9 | Other publications 3 Terms and definitions 3.1 coefficient of retroreflection RA 3.2 conspicuity panel 3.3 entrance angle β |
10 | 3.4 fluorescent 3.5 ground line 3.6 luminance 3.7 luminance factor β 3.8 observation angleα 3.9 projected area 3.10 retroreflection 3.11 retroreflective self-righting bollard (RSRB) |
11 | 3.12 road stud 3.133.12 RSRB body 3.143.13 substrate 3.153.14 traffic sign 4 Information and requirements to be agreed and documented 4.14 Information to be obtained from the purchaser 5 Self-supporting rigid portable signs, other than barriers 5.1 General |
12 | 5.2 Visual performance of sign face material 5.3 Physical performance of the sign face 5.4 Physical performance of the sign assembly 6 Portable barriers 6.1 General |
13 | 6.2 Visual performance 6.3 Physical performance 7 Self-supporting flexible portable signs 7.1 General 7.2 Visual performance 7.3 Physical properties of substrate material |
14 | 8 Manually operated portable “Stop/Go” and “Stop Works” signs 8.1 General 8.2 Visual performance 8.3 Physical performance 9 Portable school crossing patrol signs 9.1 General 9.2 Visual performance |
15 | 10 Portable flat traffic delineators (FTDs) 10.1 General 10.2 Visual performance 10.3 Physical performance 10.3.1 Impact resistance at low temperature 10.3.2 Resistance to bending 10.3.3 Fatigue resistance 11 Fixed, permanent, manually operated flap signs 11.1 General 11.2 Visual performance 11.3 Physical performance |
16 | 12 Fixed, permanent pedestrian crossing and refuge beacons and twin amber flashing lights 12.1 Electrical requirements 12.2 Beacon globes 12.2.1 General 12.2.2 Visual performance 12.2.2.1 Chromaticity and luminance factor |
17 | 12.2.2.1.2 Measurement of globe chromaticity and luminance factor 12.2.2.2 Mean luminance and uniformity of luminance 12.2.2.2 Luminance levels |
18 | 12.2.2.3 Measurement of mean luminance and uniformity of luminance |
19 | 12.2.2.4 Visibility of light source 12.3 Posts 12.3.1 General 12.3.2 Non-illuminated posts 12.3.2.1 Zebra crossing posts 12.3.2.2 Refuge beacon posts |
20 | 12.3.3 Internally illuminated posts 12.3.3.1 Zebra crossing posts 12.3.3.2 Refuge beacon posts 12.3.4 Visual performance 12.3.4.1 Non-illuminated posts 12.3.4.2 Internally illuminated posts 12.3.4.2.2 Mean luminance and uniformity of luminance of internally illuminated posts |
21 | 12.3.5 Physical performance 12.4 Twin flashing amber light units 12.4.1 General |
22 | 12.4.2 Visual performance of flashing amber light units 12.4.2.1 Chromaticity Table 5 Chromaticity of amber light units 12.4.2.2 Measurement of chromaticity 12.4.2.3 Luminous intensity and distribution 12.4.2.4 Method for the determination of the luminous intensity and distribution |
23 | 12.4.2.2 Measurement of chromaticity 12.4.2.3 Luminance 12.4.2.4 Measurement of luminance 12.4.2.5 Beam width 12.4.2.6 Measurement of beam width 12.4.312.4.2.7 Physical performance of flashing amber light units 12.5 Non-retroreflective road studs |
24 | 13 Retroreflective self-righting bollards (RSRBs) 13.1 General 13.1.1 Types 13.1.213.2 Design: common characteristics for all RSRB types 13.1.313.2.1 Height 13.1.413.2.2 Body 13.1.513.2.3 Conspicuity panels |
25 | 13.213.3 Visual performance: common characteristics for all RSRB types 13.2.113.3.1 Chromaticity 13.2.213.3.2 Photometric performance of conspicuity panels, traffic signs and plain white circles incorporated in all RSRB 13.313.4 Physical performance: common characteristics for all RSRB types 13.3.113.4.1 Adhesion to substrate test |
26 | 13.3.213.4.2 Corrosion resistance 13.3.313.4.3 High impact resistance |
27 | 13.413.5 Type B bollards: additional requirements 13.4.113.5.1 Mean luminance 13.4.213.5.2 Luminance contrast 13.4.313.5.3 Uniformity of luminance |
28 | 13.4.413.5.4 Colour rendering of light sources 13.4.513.5.5 Protection from foreign objects and water 13.4.613.5.6 Electrical |
29 | 13.513.6 Type C bollards: additional requirements 13.613.7 Type D bollards: additional requirements 14 Marking and information 14.1 Marking 14.2 Durability of marking |
30 | 15 Information to be supplied by the manufacturer |
31 | Annex A (normative) Retroreflective sheeting materials A.1 General A.2 Sampling and preparation of retroreflective test samples A.2.1 Test samples A.2.2 Preparation of samples A.3 Visual performance A.3.1 Daylight chromaticity and luminance factor A.3.1.1 Non-retroreflective sign face material A.3.1.2 Retroreflective sign face materials A.3.1.2.1 Glass bead A.3.1.2.2 Microprismatic |
32 | A.3.2 Coefficient of retroreflection A.3.2.1 Glass bead sign face materials A.3.2.2 Microprismatic sign face materials Table A.1 Minimum coefficient of retroreflection (Class R3B-UK) (unit cd lx−1 m−2) A.3.1.2 Retroreflective sign face materials colour requirements A.3.2 Coefficient of retroreflection sign face materials |
33 | A.3.3 Resistance to weathering of retroreflective sheeting materials A.3.3.1.1 Glass beaded sheetings A.3.3.1.2 Microprismatic sheetings A.3.3.1.3 All sheetings A.3.4 Accelerated natural weathering |
34 | A.3.5 Accelerated artificial weathering A.4 Physical performance A.4.1 Resistance to impact A.4.2 After-weathering test reports |
35 | Annex B (normative) B.1 Temporary signs |
36 | B.2 Barrier units |
37 | Annex C (normative) C.1 Calculation of the force on a sign face due to wind pressure C.2 Mass and positioning of ballast |
38 | C.3 Overturning |
39 | C.4 Sliding |
40 | Annex D (informative) Classes of wind speed |
41 | Annex E (normative) E.1 Principle E.2 Apparatus |
42 | E.3 Procedure E.4 Test report |
43 | Annex F (informative) F.1 Positioning of ballast F.2 Overturning |
45 | F.3 Sliding |
46 | Annex G (normative) G.1 Principle G.1.1G.2 Test sample G.2G.3 Apparatus G.3G.4 Conditioning G.4G.5 Procedure G.5G.6 Test report |
47 | Annex H (normative) H.1 Principle H.1.1H.2 Test sample H.2H.3 Apparatus H.3H.4 Conditioning H.4H.5 Procedure |
48 | H.5H.6 Test report |
49 | Annex I (normative) Test for fatigue resistance of flat traffic delineators (FTDs) I.1 Principle I.1.1I.2 Test sample I.2I.3 Apparatus I.3I.4 Conditioning I.4I.5 Procedure I.5I.6 Test report |
50 | Annex J (normative) J.1 PrincipleProcedure J.1.1 Sample J.2 Test sample J.2J.3 Apparatus J.3J.4 Procedure J.4J.5 Test report |
51 | Annex K (normative) K.1 Principle K.2 Apparatus K.3 Calibration K.4 Procedure |
52 | K.5 Test report |
53 | Bibliography Standards publications Standards publications Other publications |
59 | Foreword |
61 | 1 Scope 2 Normative references |
62 | 3 Terms and definitions |
63 | Figure 1 — Projected area 4 Information to be obtained from the purchaser |
64 | 5 Self-supporting rigid portable signs, other than barriers 5.1 General Table 1 — Classification of effective wind speeds Ve 5.2 Visual performance of sign face material |
65 | 5.3 Physical performance of the sign face 5.4 Physical performance of the sign assembly 6 Portable barriers 6.1 General 6.2 Visual performance 6.3 Physical performance 7 Self-supporting flexible portable signs 7.1 General |
66 | 7.2 Visual performance 7.3 Physical properties of substrate material Table 2 — Physical properties of substrate material 8 Manually operated portable “Stop/Go” and “Stop Works” signs 8.1 General 8.2 Visual performance 8.3 Physical performance |
67 | 9 Portable school crossing patrol signs 9.1 General 9.2 Visual performance 10 Portable flat traffic delineators (FTDs) 10.1 General 10.2 Visual performance 10.3 Physical performance 11 Fixed, permanent, manually operated flap signs 11.1 General |
68 | 11.2 Visual performance 11.3 Physical performance 12 Fixed, permanent pedestrian crossing and refuge beacons and twin amber flashing lights 12.1 Electrical requirements 12.2 Beacon globes |
69 | Table 3 — Chromaticity coordinates and luminance factors of globes |
70 | Figure 2 — Luminance measurement 12.3 Posts |
71 | Table 4 — Luminance of posts |
72 | 12.4 Twin flashing amber light units |
73 | Table 5 — Luminance requirements |
74 | 13 Retroreflective self-righting bollards (RSRBs) 13.1 General 13.2 Design: common characteristics for all RSRB types Table 6 — Projected area of the conspicuity panels |
75 | 13.3 Visual performance: common characteristics for all RSRB types Table 7 — Daytime chromaticity and luminance factor 13.4 Physical performance: common characteristics for all RSRB types |
76 | Figure 3 — Adhesion test Table 8 — Surface protection 13.5 Type B bollards: additional requirements |
77 | Table 9 — Mean luminance, L, cd·m−2 Table 10 — Luminance contrast, K, lit traffic sign Figure 4 — Location of the central sign centre |
78 | Table 11 — Protection from foreign objects and water 13.6 Type C bollards: additional requirements 13.7 Type D bollards: additional requirements 14 Marking and information 14.1 Marking |
79 | 14.2 Durability of marking 15 Information to be supplied by the manufacturer |
80 | Annex A (normative) Retroreflective sheeting materials |
81 | Table A.1 — Exposure period for accelerated natural weathering |
82 | Annex B (normative) Ballast for self-supporting rigid and flexible portable signs, and classification and labelling of barrier units Table B.1 — Ballast required for wind resistance of temporary signs |
83 | Table B.2 — Ballast required for wind resistance of barrier assembly Annex C (normative) Calculation of minimum recommended ballast required to resist overturning and sliding of self-supporting rigid portable signs Table C.1 — Values of Cw |
84 | Table C.2 — Values of S |
85 | Figure C.1 — Overturning moment diagram |
86 | Annex D (informative) Classes of wind speed Annex E (normative) Test for overturning and sliding performance of self-supporting rigid portable signs |
87 | Figure E.1 — Test apparatus for stability and sliding performance |
88 | Annex F (informative) Calculation of minimum recommended ballast required to resist overturning and sliding of barrier units Figure F.1 — Resistance to overturning diagram |
90 | Annex G (normative) Test for impact resistance of flat traffic delineators (FTDs) at low temperature |
91 | Annex H (normative) Test for bending resistance of flat traffic delineators (FTDs) |
92 | Annex I (normative) Test for fatigue resistance of flat traffic delineators (FTDs) |
93 | Annex J (normative) Measurement of the luminance of internally illuminated posts |
94 | Annex K (normative) Determination of mean luminance and uniformity of luminance |
96 | Bibliography |