Street Lighting - Road Lighting Columns and Brackets
Road Lighting Columns and Brackets
Road Lighting columns and brackets shall be designed, constructed, assembled, located and erected in compliance with Series 1300 of the Specification.
Lighting columns shall be designed to carry the attachment loads in Table1 (below), in addition to the public lighting equipment.
|Column / Post Height (m)||Sign Size||Sign Position in accordance with BD26199|
|Up to and including 6m||0.5m sq||Symmetrical or Offset|
|Over 6m and up to and including 9m||1.0m sq||Symmetrical or Offset|
|Over 9m||2.0m sq||Symmetrical or Offset|
In the City Centre and District Centres the use of Strengthened Columns may be required as directed by the Authority. Paint systems appropriate for these columns shall be in accordance with the specifications on the Protection of Steelwork Agains Corrosion page, or as directed by the Authority and / or the Service Provider.
Each column shall be fitted with an identification badge and numbered in accordance with a numbering schedule to be provided by the Service Provider. The identification label shall include the following detail:
- The unique reference number for that lighting column.
- The joint Authority and Service Provider logo for the Project; and
- The telephone number for the Help Desk
Labels shall be positioned at a height of 2 metres above the ground.
Labels on Non Standard Equipment shall be agreed in consultation with the Service Provider.
Columns shall be constructed from galvanised steel and be of the planted root type unless otherwise agreed in writing by the Authority. The shaft shall consist of one continuous length of tube without transverse weld.
Columns shall be of straight circular shaft type with a single step at the top of the base compartment.
Refer to the requirements detailed in Table 2 - Table of Columns.
Surface treatment of traffic signposts shall be specified in the Protection of Steelwork Agains Corrosion page, over their entire length.
The internal and external surfaces to lighting column roots shall be additionally protected as specified in the Protection of Steelwork Agains Corrosion page.
|Column Type||Loading||Post Top||Single Arm Bracket||Twin Arm Bracket||Column
|6m raise and lowering column||In accordance with table A13/1/1||Y||N||N||CC5594|
|6m Column post top||In accordance with table A13/1/1||Y||N||Up to 1.5m||CC5426|
|7m Column post top||In accordance with table A13/1/1||Y||N||Up to 1.5m||CC5428|
|8m Column post top||In accordance with table A13/1/1||Y||N||N||CC5428|
|10m Column post top||In accordance with table A13/1/1||Y||N||N||CC5429|
|10m Column single arm||In accordance with table A13/1/1||N||Up to 1.5m||N||CC5430|
|12m Column single arm||In accordance with table A13/1/1||Y*||Up to 1.5m||N||CC5430|
|10m Column double arm||In accordance with table A13/1/1||N||N||Up to 1.5m||CC5432|
|12m Column double arm||In accordance with table A13/1/1||N||N||Up to 1.5m||CC5432|
|10m Column single arm – Heavy Duty||In accordance with table A13/1/1||Y*||Up to 1.5m||N||CC5431|
|12m Column single arm – Heavy Duty||In accordance with table A13/1/1||Y*||Up to 1.5m||N||CC5431|
No brackets shall be used on new lighting columns in residential areas except for column heights of 8m and above unless agreed in writing in advance by the Authority.
Columns shall be provided with non-hygroscopic baseboards, minimum thickness 15mm, secured in the base compartment. Baseboard fixings shall be recessed below the surface of the board so as not to impede the fixing of electrical equipment to the baseboard.
The bottom of the door opening shall not be less than 400mm above ground level. The door opening shall be free from sharp edges and burrs.
Foundations for planted columns shall be in accordance with PD6547:2004 plus A1:2009 and manufacturer’s instructions.
Columns to be mounted on bridge parapets shall be fitted with a door-retaining device to ensure that the door cannot be dropped over the parapet. Any steel wire or chain used shall be cadmium plated or galvanised.
6mm diameter brass (or stainless steel) earthling terminal complete with two brass washers and a brass nut and locknut shall be located both in the base compartment (so positioned as to be readily accessible through the door opening) and on the door, (to be supplied fitted).
Raising and lowering lighting columns shall be provided where access considerations demand. Such columns shall be mid-hinged.
All door locking mechanisms shall be lubricated and doors secured in position.
The use of passively safe lighting columns shall be agreed with the Service Provider at the preliminary design stage.
Passively safe lighting columns shall comply with BS EN 12767:2007.
The contractor shall complete column and bracket details in Table 3 below.
|Type of column base:||Planted root||Base Plate||Flange Plate|
|Bracket Protection: (m)||Single||Double||Post top fitting|
|Size, Length and Angle of lantern fixing:||Spigot||(mm)|
|10 min Mean Wind Velocity||(m/s)|
|Size of door opening: (m)||Length||Width|
|Number of door openings||(nr)|
|Backboard size: (mm)||Length||Width|
|Planting Depth (mm)|
|Size of cable entry slot (mm)||Length||Width|
|Identification and Location marking|
|Type of corrosion treatment for planted root|
|Lantern type (kg)||Manufacturer||Model|
|Lantern windage area (m2)||Weight (kg)||Windage (m sq)|
|Lantern size (mm)||Length||Width||Depth|
|Number of door keys (nr)|
All columns shall, unless otherwise agreed in writing by the Authority, be manufactured by Valmont Stainton.
Index of Relevant Pages
- General Introduction
- Adoption and Accrual
- British Standards
- Commuted Maintenance Payments
- Design and Installation Considerations
- Electrical Equipment for Road Lighting
- Electrical Equipment for Traffic Signs
- Electrical Inspection and Testing Certificate 'Type A'
- Electrical Inspection and Testing Certificate 'Type B'
- Electrical Inspection and Testing Procedures
- Energy Supply
- Fault Reporting
- Light Pollution and Nuisance
- Lighting and other Design Considerations
- Lighting Levels
- Location of Lighting Units and Feeder Pillars
- Manholes, Catchpits, Inspection Chambers and Draw Pits
- Protection of Steelwork Against Corrosion
- Relevant Standards
- Road Lighting Columns and Brackets
- Service Duct Requirements
- Site Records and Data Sets
- Standard Specifications
- Surface Treatment of the Lighting Columns
- Technical Approval
- Traffic Safety and Management
- Traffic Signs
- Private Development Section Home Page
- Adoption of Highways
- Agreements under Section 278
- Bond (Surety)
- Considerate Contractors Scheme
- Contact Us
- Creation of New Public Highways (Section 38 Agreement)
- Development Permits
- Environmental Protection
- Highway Design and Technical Approval
- Highway Lighting
- Highway Safety
- Road Making (Costs)
- Safety Audits
- Site Inspection
- Technical Documents
- Traffic Regulation Orders
- Works Notices and Traffic Management during the Works