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Street Lighting - Design and Installation Considerations

Street Lighting

Requirement of Designers

  1. All lighting and electrical designs shall be carried out by competent designers who meet the requirements of the Institution of Lighting Professionals Competency Requirements for Lighting Design Staff Highway Design Implementation (Designed to meet the requirements of HA GD02/08 and CDM2007 Regulations)
  2. Designers shall as part of the design undertake a site survey to ensure that :-
  • Designer risk assessments can be prepared
  • Any proposals are compatible with the existing equipment in adjoining areas
  • The design takes account of all environmental constraints

Requirement of Contractors

All installation works shall be undertaken by specialist lighting contractors that are registered with the Highways Electrical Association and meet the requirements of the relevant Highways Sector Schemes.

General Requirements

All Apparatus shall be installed by the Developer in accordance with the following requirements (where applicable):

  • Highways Standards
  • Relevant Lighting Standards
  • All new and replacement Apparatus shall be sited so as to minimise, insofar as is reasonable and practicable, nuisance, danger and obstruction to all residents, businesses and users of the Project Network
  • All Lighting Columns shall have a uniform appearance and be appropriate to and in keeping with the relevant location
  • The Developer shall obtain the Authority's prior written approval (not to be unreasonably withheld or delayed) in respect of the aesthetics and appearance of all Apparatus to be replaced or installed in any Conservation Area (as designated by the Authority), Prestige Walking Zone or in, on, or about any listed building, civic building, monument, place of worship or other place or location requiring special lighting treatment
  • The Service Provider shall reconnect any Existing Apparatus that has its supply looped from Powered Apparatus that is being replaced
  • Where any Private Cable Installations need to be altered the cables shall be replaced rather than jointed and extended
  • The Developer shall ensure that the lighting performance of Street Lights and the optical performance or visibility of Illuminated Traffic Signs and Illuminated Traffic Bollards is not adversely affected by trees and other vegetation. If the obstruction is due to Highway trees and vegetation, the Developer shall take necessary action to remove the obstruction by pruning back branches up to a maximum of 25mm diameter flush to a main branch or limb. Where heavier pruning is required the Developer, following consultation and agreement with the Authority, shall employ a qualified arborist to prune back the tree or vegetation.
  • Where pruning of private trees or foliage is required, the Developer shall take appropriate steps to ensure the lighting system is able to function correctly
  • Where lighting already exists, the designer / developer shall maintain the existing lighting levels at all times during the project. Temporary lighting shall be provided where columns have to be temporarily removed or re-sited
  • The Developer shall ensure that each item of Apparatus and each electrical installation is inspected and tested in accordance with the Electricity at Work Regulations and BS 7671. A sample Electrical Inspection and Testing Certificate 'Type A' and a sample Electrical Inspection and Testing Certificate 'Type B' can be downloaded here.
  • Paint systems above ground protecting Apparatus against corrosion and enhancing the aesthetics of Apparatus shall be as specified and described on our Protection of Steelwork against Corrosion page.
  • All lighting columns shall have an individual Distribution Network Operator (DNO) 24 hour live supply
  • All equipment provided by the Developer shall be brand new
  • The Developer shall effectively manage, for its own works, the Connection, disconnection, or transfer of the Apparatus to the electricity distribution network operated by the DNO including all necessary service diversions and reinstatements. Responsibility for payment of energy consumption will, in accordance with the Council’s Section 38 Agreement, remain with the developer until formal adoption is completed. It is the duty of the developer to notify the PFI Contractor of actual connection dates
  • All waste material arising form the execution of the Services shall be disposed of in a manor that complies with all applicable Law, byelaws and codes of practice relating to the particular category of material concerned
  • All current relevant and applicable Good Industry Practices shall be adopted for the execution of the Services
  • The Developer shall ensure that the performance of the completed installation is compliant with the design standard.