BS 5489-1:2020 – TC
$280.87
Tracked Changes. Design of road lighting – Lighting of roads and public amenity areas. Code of practice
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 195 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | compares BS 5489-1:2020 |
| 2 | TRACKED CHANGES Text example 1 — indicates added text (in green) |
| 4 | Foreword iv |
| 5 | Annex D (informative) Calculating maintenance factors: design examples with CLO and non-CLO |
| 6 | Foreword Publishing information Supersession Relationship with other publications Information about this document |
| 7 | Use of this document Presentational conventions Contractual and legal considerations Compliance with a British Standard cannot confer immunity from legal obligations. |
| 8 | 2 Normative references Standards publications |
| 9 | Other publications 3 Terms, definitions and symbols 3.1 Terms and definitions 3.1.1 absolute photometry 3.1.13.1.2 arrangement |
| 10 | 3.1.23.1.3 competent person 3.1.33.1.4 conservation area 3.1.4 cost 3.1.5 design spacing 3.1.6 edge illuminance ratio (EIR) 3.1.5 constant light output 3.1.6 cost 3.1.7 design spacing 3.1.8 edge illuminance ratio (RE) 3.1.73.1.9 emergency lane 3.1.83.1.10 footbridge 3.1.93.1.11 geometry |
| 11 | 3.1.103.1.12 high mast lighting 3.1.113.1.13 lamp lumen maintenancelight source luminous flux factor (LLMFfLF) 3.1.123.1.14 lamplight source survival factor (LSFfS) 3.1.133.1.15 lifecycle 3.1.143.1.16 lifetime 3.1.17 lighting designer 3.1.153.1.18 mounting height 3.1.19 relative photometry 3.1.163.1.20 residential road 3.1.173.1.21 road bridge 3.1.183.1.22 set-back |
| 12 | 3.1.23 smart city 3.1.193.1.24 S/P ratio 3.1.20 surround ratio (SR) 3.1.213.1.25 traffic flow 3.2 Symbols |
| 13 | 4 General considerationsrecommendations 4.1 Reasons for road lighting |
| 14 | 4.2 Environment 4.2.1 General |
| 15 | 4.2.2 Appearance 4.2.2.1 Daytime appearance 4.2.2.2 Night‑time appearance |
| 16 | 4.2.3 Obtrusive light 4.2.4 Ecology |
| 17 | 4.2.5 Sustainability 4.3 Electrical energy 4.3.1 General 4.3.2 Measures to minimize electrical energy use |
| 18 | 4.3.3 Hours of operation |
| 19 | 4.3.4 Variable (or adaptive) lighting levels 4.3.5 Controls |
| 20 | 4.4 Economics 4.5 Lighting and human health 5 Lighting design criteria 4.25.1 Lighting design |
| 21 | 4.2.15.1.1 Visual tasks for motorists 4.2.25.1.2 Visual tasks forof pedestrians – Recognition and personal safety |
| 22 | 4.2.35.1.3 Visual guidance 4.2.45.1.4 Lighting of the surrounds and footways |
| 23 | 4.2.5 Glare 4.2.6 Maintenance 4.2.6.1 General |
| 24 | 4.2.6.2 Maintenance factor 4.2.6.3 Maintenance of high-mast lighting 4.2.6.4 Roads with limited maintenance access |
| 25 | 4.2.6.5 Safe working clearances near overhead electricity supply lines 4.3 Environment 4.3.1 General 4.3.2 Appearance 4.3.2.1 Daytime appearance |
| 26 | 4.3.2.2 Night-time appearance Table 1 Light source colour appearance groups 4.3.3 Siting of lighting columns 4.3.3.1 General |
| 27 | 4.3.3.2 Effect of trees 4.3.3.3 Lighting columns as hazards Table 2 Recommended minimum clearances from edge of carriageway to face of lighting column |
| 28 | 4.3.3.4 Passively safe lighting columns 4.3.4 Arrangements 4.3.4.1 Mounting heights |
| 29 | 4.3.4.2 Lighting unit assemblies 4.3.4.2.1 General 4.3.4.2.2 Size and type of luminaires 4.3.4.2.3 Form of bracket 4.3.4.2.4 Colour of lighting equipment |
| 30 | 4.3.4.2.5 Overall appearance 4.3.4.3 Luminaire arrangements 4.3.4.3.1 General 4.3.4.3.2 Luminaire arrangements for single carriageways |
| 31 | 4.3.4.3.3 Luminaire arrangements for dual carriageways 4.3.4.3.4 Luminaire arrangements for dips and crests of hills 4.3.5 Obtrusive light |
| 32 | 4.3.6 Sustainability 4.4 Electrical energy 4.4.1 General 4.4.2 Measures to minimize electrical energy use |
| 33 | 4.4.3 Hours of operation 4.4.4 Variable lighting levels |
| 34 | 4.4.5 Controls 5.1.5 Glare 5.1.6 Maintenance factor |
| 35 | 5.1.7 Absolute or relative photometry 5.2 Design strategy and road classification – Risk assessment |
| 36 | 5.3 Lighting criteria 5.3.1 Traffic routes 5.3.1.1 Average luminance of the road surface ( L ) 5.3.1.2 Overall uniformity of road luminance (Uo) 5.3.1.3 Longitudinal uniformity of road surface luminance (Ul) 5.3.1.4 Threshold increment (TI) |
| 37 | 5.3.1.5 Edge illuminance ratio (REI) 5.3.2 Subsidiary roads, including pedestrian areas, footpaths and cycle tracks 5.3.2.1 General 5.3.2.2 Lighting of horizontal surfaces 5.3.2.3 Lighting of vertical surfaces 5.3.2.4 Control of glare in subsidiary roads |
| 38 | 5 Design recommendations 5.1 Design strategy and road classification – Risk assessment 5.2 Lighting criteria 5.2.1 Traffic routes 5.2.1.1 Average luminance of the road surface 5.2.1.2 Overall uniformity of road luminance (Uo) |
| 39 | 5.2.1.3 Longitudinal uniformity of road surface luminance (Ul) 5.2.1.4 Threshold increment (TI) 5.2.1.5 Surround ratio (SR) or edge illuminance ratio (EIR) 5.2.2 Subsidiary roads, including pedestrian areas, footpaths and cycle tracks 5.2.2.1 General 5.2.2.2 Lighting of horizontal surfaces 5.2.2.3 Lighting of vertical surfaces |
| 40 | 5.2.2.4 Control of glare 5.3 Electrical energy targets 5.4 Economics 6 Technologies 6.1 Light sources |
| 41 | 6.2 Control gear 6.3 Luminaires 6.4 Lighting controls |
| 42 | 6 Practical design considerations 6.1 Siting of lighting columns 6.1.1 General |
| 43 | 6.1.2 Effect of trees 6.1.3 Lighting columns as hazards |
| 44 | 6.1.4 Passively safe lighting columns 6.2 Arrangements 6.2.1 Mounting heights |
| 45 | 6.2.2 Lighting unit assemblies 6.2.2.1 General 6.2.2.2 Size and type of luminaires 6.2.2.3 Form of bracket 6.2.2.4 Colour of lighting equipment |
| 46 | 6.2.2.5 Overall appearance 6.2.3 0Luminaire arrangements 6.2.3.1 General |
| 47 | 6.2.3.2 Luminaire arrangements for single carriageways 6.2.3.3 Luminaire arrangements for dual carriageways 6.2.3.4 Luminaire arrangements for dips and crests of hills 6.3 Designing for maintenance 6.3.1 General |
| 49 | 6.3.2 Maintenance of high mast lighting 6.3.3 Roads with limited maintenance access or requiring non-minor traffic management |
| 50 | 6.3.4 Safe working clearances near overhead electricity supply lines 6.4 Technologies |
| 51 | 6.5 Light sources 6.6 Control gear and LED driver 6.6.1 General |
| 52 | 6.6.2 Constant light output (CLO) 6.7 Luminaires 7 Applications 7.1 Lighting traffic routes 7.1.1 General 7.1.2 Calculation procedure for straight roads |
| 53 | 7.1.3 Calculation procedure for bends 7.1.3.1 General 7.1.3.2 Lighting column location on bends 7.2 Lighting residential and minor roads |
| 54 | 7.2.1 General 7.2.2 Calculation procedure |
| 55 | 7.2.3 Mesopic vision and white light 7.2.4 Roads with traffic calming measures 7.2.5 Crime prevention and detection, and pedestrian safety 7.2.6 Overall uniformity of illuminance |
| 56 | 7.3 Lighting cycle tracks and footpaths 7.4 Lighting town centres and public amenity areas 7.4.1 General |
| 57 | 7.4.2 Determination of objectives 7.4.3 Lighting to meet traffic needs 7.4.3.1 Categories of traffic |
| 58 | 7.4.3.2 Primarily vehicular traffic areas 7.4.3.3 Mixed vehicular and pedestrian areas 7.4.3.4 Pedestrian areas 7.4.4 Lighting for security and safety |
| 59 | 7.4.5 Visual appreciation 7.4.6 Lighting of covered shopping arcades and canopied areas 7.4.7 Lighting of subways, footbridges, stairways and ramps 7.4.7.1 General |
| 60 | Table 4 Maintained lighting levels for subways, footbridges, stairways and ramps |
| 61 | 7.4.7.2 Emergency lighting 7.4.8 Lighting of car parks 7.4.8.1 General |
| 62 | 7.4.8.2 Enclosed car parks 7.4.8.3 Outdoor car parks |
| 63 | 7.4.8.4 Calculation procedure 7.4.9 Lighting of service areas |
| 64 | 7.4.10 Lighting within conservation areas 7.4.11 Lighting of parks and landscaped areas |
| 65 | 7.4.12 Installation Site and installation requirements of the design 7.4.12.1 General 7.4.12.2 Site appraisal 7.4.12.3 Measurement of lighting installations |
| 66 | 7.4.13 Light sources and luminaires 7.4.13.1 Basic needs 7.4.13.2 Appearance 7.4.14 Vehicular charging points |
| 67 | 7.4.15 Smart cities 7.5 Lighting conflict areas |
| 68 | 7.6 Lighting roads on bridges and elevated roads 7.6.1 General 7.6.2 Lighting for bridges 7.6.2.17.6.1 Structural considerations |
| 69 | 7.6.2.27.6.2 Bridges of special, historical or architectural interest 7.6.2.37.6.3 Lighting for footbridges 7.6.37.6.4 Lighting for elevated roads |
| 70 | 7.7 Lighting by high mast techniques 7.7.1 General 7.7.1 General 7.7.2 Design considerations |
| 71 | 7.7.3 Engineering considerations 7.7.4 Lightning protection 7.8 Lighting areas around aerodromes, railways, coastal waters, harbours and inland waterways 7.8.1 General |
| 72 | 7.8.2 Lighting in the vicinity of aerodromes 7.8.2.1 General 7.8.2.1 Design considerations |
| 73 | 7.8.2.2 Safeguarded obstacle limitation surfaces 7.8.2.3 Design considerations |
| 74 | 7.8.3 Lighting in the vicinity of railways 7.8.4 Lighting in the vicinity of coastal waters 7.8.5 Lighting in the vicinity of harbours 7.8.6 Lighting in the vicinity of navigable inland waterways |
| 75 | Annex A (informative) Selection of lighting classes A.1 General A.1.1 Selection process |
| 76 | A.1.2 Risk assessment A.1.3 Variable (or adaptive) lighting A.2 Comparability of lighting classes |
| 77 | A.3 Specific situations A.3.1 Traffic routes A.3.1.1 General A.3.1.2 Selection of lighting class ME or M |
| 79 | A.3.1.3 Risk assessment |
| 80 | A.3.1.4 White light (mesopic vision) A.3.1.5 Variable lighting A.3.2 Conflict areas |
| 81 | A.3.3 Subsidiary roads including pedestrian areas, footpaths and cycle tracks A.3.3.1 General |
| 82 | Table A.6 Lighting classes for subsidiary roads with mainly slow-moving vehicles, cyclists and pedestrians |
| 83 | A.3.3.2 Risk assessment A.3.3.3 White light and the adjustment Adjustment of lighting class due to the light source (mesopic vision) |
| 84 | Table A.7 Variation of maintained lighting level with S/P ratio of light source A.3.3.4 Variable lighting A.3.4 City and town centres A.3.4.1 General |
| 85 | A.3.4.2 Risk assessment A.3.4.3 Variable lighting |
| 86 | Annex B (informative) Sustainability |
| 89 | Annex BC (informative) |
| 91 | D.1 General framework |
| 92 | Table D.1 Lifecycle stages and associated sustainability criteria |
| 93 | Annex D (informative) D.1 Example 1: Non-CLO public lighting traffic route – M class D.2 Example 2: CLO public lighting residential street – P class |
| 95 | Annex E (informative) E.1 General E.2 Selection of lighting class and definition of relevant area E.2.1 Carriageway E.2.2 Adjacent areas E.2.3 Conflict areas |
| 96 | E.2.4 Pedestrian crossings E.2.5 Choice of lighting arrangement E.3 Preliminary data E.3.1 Carriageway |
| 97 | E.3.2 Conflict areas E.3.3 Pedestrian crossings E.4 Calculation of design spacing for straight roads E.5 Plotting of luminaire positions |
| 98 | E.6 Determination of lighting column positions Annex F (informative) F.1 General F.2 Selection of lighting class(es) and definition of relevant area |
| 99 | F.3 Preliminary data |
| 100 | F.4 Calculation of design spacing F.5 Plotting of luminaire positions F.6 Determination of lighting column positions |
| 101 | Annex G (informative) G.1 General G.2 Preliminary data |
| 102 | G.3 Determination of lighting needs G.4 Choice of equipment and installation |
| 103 | G.5 Calculation of design geometry G.6 Plotting of luminaire positions |
| 104 | Bibliography Standards publications Other publications |
| 107 | Further reading |
| 112 | Foreword |
| 114 | 1 Scope 2 Normative references |
| 115 | 3 Terms, definitions and symbols |
| 119 | 4 General recommendations 4.1 Reasons for road lighting |
| 120 | 4.2 Environment |
| 123 | 4.3 Electrical energy |
| 126 | 4.4 Economics 4.5 Lighting and human health 5 Lighting design criteria 5.1 Lighting design |
| 130 | 5.2 Design strategy and road classification – Risk assessment 5.3 Lighting criteria |
| 132 | 6 Practical design considerations 6.1 Siting of lighting columns |
| 134 | Table 1 — Recommended minimum clearances from edge of carriageway to face of lighting column |
| 135 | 6.2 Arrangements |
| 139 | 6.3 Designing for maintenance |
| 142 | 6.4 Technologies 6.5 Light sources |
| 143 | 6.6 Control gear and LED driver 6.7 Luminaires |
| 144 | 7 Applications 7.1 Lighting traffic routes |
| 145 | 7.2 Lighting residential and minor roads |
| 148 | 7.3 Lighting cycle tracks and footpaths 7.4 Lighting town centres and public amenity areas |
| 151 | Table 2 — Lighting levels for covered shopping arcades and canopied areas |
| 152 | Table 3 — Maintained lighting levels for subways, footbridges, stairways and ramps |
| 154 | Table 4 — Maintained lighting levels for outdoor car parks |
| 158 | 7.5 Lighting conflict areas |
| 159 | 7.6 Lighting roads on bridges and elevated roads |
| 161 | 7.7 Lighting by high mast techniques |
| 162 | 7.8 Lighting areas around aerodromes, railways, coastal waters, harbours and inland waterways |
| 167 | Annex A (informative) Selection of lighting classes |
| 168 | Table A.1 — Lighting classes of comparable level |
| 169 | Table A.2 — Lighting classes for traffic routes (v > 40 mph) |
| 170 | Table A.3 — Lighting classes for traffic routes (v ≤ 40 mph) |
| 171 | Table A.4 — Lighting classes for conflict areas |
| 172 | Table A.5 — Lighting classes for subsidiary roads |
| 173 | Table A.6 — Lighting classes for city and town centres |
| 175 | Annex B (informative) Sustainability |
| 176 | Table B.1 — Lifecycle stages and associated sustainability criteria |
| 178 | Annex C (informative) Typical luminaire maintenance factors Table C.1 — Luminaire maintenance factors |
| 179 | Annex D (informative) Calculating maintenance factors: design examples with CLO and non-CLO luminaires |
| 181 | Annex E (informative) Outline of lighting design process for all‑purpose traffic routes |
| 184 | Annex F (informative) Outline of lighting design process for subsidiary roads and associated areas |
| 187 | Annex G (informative) Outline of lighting design process for lighting urban centres and public amenity areas |
| 190 | Bibliography |
