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PD 6547:2023 Guidance on the use of BS EN 40-3-1 and BS EN 40-3-3, 2023
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms, definitions, symbols and abbreviated terms [Go to Page]
- 3.1 Terms and definitions
- 3.2 Symbols
- 3.3 Abbreviated terms
- 4 Specification of lighting columns
- 5 Background information on the design wind loadings in BS EN 40‑3‑1
- 6 Wind pressures [Go to Page]
- 6.1 General
- 6.2 Reference wind pressure q(10)
- 6.3 Exposure coefficient ce(z)
- Table 1 — Terrain categories by lighting column height and location
- 7 Rationalized wind loading factors (Rwf)
- 8 Design loads and horizontal deflection [Go to Page]
- 8.1 General
- 8.2 Partial safety factors on loads, γf
- 8.3 Deflection classes
- 9 Lighting column foundations [Go to Page]
- 9.1 Planting depth
- 9.2 Planted root foundations
- Table 2 — Ground factor, G and soil impact factor, Ksi
- 9.3 Retention socket foundations for rooted lighting columns
- 9.4 Concrete pad foundations
- Figure 1 — Definitions of the parameters in the Andrée and Norsa equation
- 9.5 Screw pile foundations
- 9.6 Lighting columns mounted on other structures
- 9.7 Lighting columns mounted on slopes
- 10 Design of flange plates [Go to Page]
- 10.1 General
- 10.2 Holding down system
- 10.3 Typical arrangement of flange plates
- Figure 2 — Typical arrangement of flange plate
- Figure 3 — Slotted hole arrangement
- 10.4 Minimum edge distances
- 10.5 Structures not subject to vehicle impact
- 10.6 Structures subject to vehicle impact
- 10.7 Simplified design procedure
- 10.8 Detailed design procedure
- 10.9 Design for bending in flange plates
- 10.10 Stresses in holding down bolts
- 11 Pull-out test loads
- 12 Road signs and other attachments to lighting columns [Go to Page]
- 12.1 Road signs
- Table 3 — Road sign class
- 12.2 Force coefficients for signs
- Figure 4 — Sign force coefficient, cfγ , against sign face aspect ratio
- 12.3 Other attachments
- 12.4 Modifications to lighting columns after design and installation
- 12.5 Retrofitting electric vehicle charge point
- 13 Assessment of fatigue [Go to Page]
- 13.1 General
- 13.2 Wind induced vibration
- 13.3 Vortex induced vibration
- Figure 5 — Deformed shape of lighting column for resonant vibration in bending modes, 1, 2 and 3
- 13.4 Galloping vibration
- Annex A (informative) Information to be provided in specifications for lighting columns [Go to Page]
- Table A.1 — Checklist of information to be provided in specifications for lighting columns
- Annex B (informative) Rationalized wind factor, Rwf and maximum altitude [Go to Page]
- Table B.1 — Rationalized wind loading factor, Rwf, and maximum altitude
- Annex C (informative) Derivation of rationalized wind loading factor and maximum altitude [Go to Page]
- Table C.1 — Rationalized wind loading
- Annex D (informative) Typical foundation arrangements [Go to Page]
- Figure D.1 — Planted lighting column
- Figure D.2 — Planted lighting column with sleeve
- Figure D.3 — Right-angle bend retention socket
- Figure D.4 — Tee bend retention socket
- Figure D.5 — Flanged lighting column with cast-in sockets
- Figure D.6 — Flanged lighting column with chemically anchored sockets
- Annex E (informative) Fatigue [Go to Page]
- Figure E.1 — Door opening geometry
- Figure E.2 — Typical shoulder joint
- Table E.1 — Limit states and partial factors, γf
- Table E.2 — Values of K for various weld detail types
- Table E.3 — Lane allocation factors
- Annex F (informative) Fatigue stress curves and guidance for weld classification [Go to Page]
- Table F.1 — Tabulated results of frequency of structural vibration for the given stress ranges, σr
- Figure F.1 — Fatigue of column stress range limit for class of weld detail based on a 25 year design life requirement (m = 4)
- Figure F.2 — Fatigue of column stress range limit for class of weld detail based on a 25 year design life requirement (m = 3)
- Table F.2 — Weld detail type 1
- Table F.3 — Weld detail type 2/1
- Table F.4 — Weld detail type 2/2
- Table F.5 — Weld detail type 3
- Table F.6 — Weld detail type 4
- Table F.7 — Weld detail type 5
- Table F.8 — Weld detail type 6
- Table F.9 — Weld detail type 7 to type 10
- Bibliography [Go to Page]