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Street Lighting - Service Duct Requirements
Service Duct Requirements
- Unless otherwise stated, all service ducts supplied by the Developer shall be Low density polyethylene (PE) and shall comply with Clause 501 and Table 5/2 of the Dept. of Transport Specification and shall be compatible with any draw pits proposed by the Developer. All lengths shall be fixed socketed at one end and shall have a smooth bore across the push fitted socket joint.
- The 100mm / 50mm diameter ducts intended to contain street lighting sub circuits which will, upon completion of the works, become the responsibility of the Authority shall have a minimum wall thickness of 4mm, be orange in colour and have the words “Street Lighting” embossed printed 9mm high, along the length at intervals of not more than one metre. All ducts shall be fitted with a single draw rope.
- The 100mm / 50mm diameter ducts intended to contain Distribution Network Operator cables which will, upon completion of the works, become the responsibility of the Distribution Network Operator, shall be Black in colour and comply with Electricity Supply Industry Specification 12-24. When laid the wording shall be uppermost. All lengths shall be properly jointed and sleeved to give a smooth bore. All ducts shall be fitted with a single draw rope.
- All ducts shall be laid in a trench depth to invert 750mm in roadway construction and 450mm in footway construction.
- 90 degree bends of 250mm radius, fixed socketed at one end, the colour shall be compatible for use with the duct on offer.
- Where duct trenches are dug in existing carriageways the existing road construction shall be saw cut full depth at each side of the trench.
- Duct excavations shall be backfilled in accordance with the New Roads and Street Works Act 1991 – Specification for the reinstatement of openings in highways.
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