Street Lighting and Illuminated Street Furniture

Night Time Inspections

Street lighting and illuminated street furniture items are inspected at night every fourteen days.

Items checked on night time inspections include:

• Lamps that are dark
• Lamps not fully run up
• Lamps flickering
• Lanterns turned
• Lanterns obscured by foliage
• Lantern bowls hanging, missing or suffering major damage
• Unit ID number missing
• Column door missing
• Bracket misaligned
• Column leaning

Routine Maintenance

Routine maintenance is carried out annually based upon twelve areas, approximately three areas, or 25% of the lighting stock, being addressed each quarter. The following is included:

• Clean all lamps, reflectors and other components affecting optical performance
• Lubricate all toggles, wing nuts, hinges, door locks, etc.
• Tighten all grub screws and wing nuts
• Examination for superficial damage, corrosion, spalling and cracking (concrete columns), cable deterioration, reporting condition.
• Inspect all electrical terminations for signs of corrosion or condensation, cleaning and greasing as necessary.
• Check electrical items rectifying where necessary.
• Check type and rating of fuses
• Check correct operation of P.E.C.U. or associated switching device
• Adjust clocks to correct time where photoelectric cells are not fitted.

Non Routine Maintenance

Non routine maintenance is carried out as instructed and agreed within the response times set out below.

The street lighting contractor is required to submit weekly reports detailing faults detected or reported, action taken and materials used. In addition, all lights or signs unlit at the time of the inspection are reported by the contractor each week and, if known, the reasons why they were unlit or remain unlit.

Bulk Lamp Changing

Bulk lamp changing takes place on main routes and in the town centre on a three year cycle.

Repainting

Painted columns and associated fittings are repainted every ten years.

Emergency Call Outs

The following will require emergency action:

• Impact damage to road furniture
• Damage to underground cable
• Damage to overhead cables
• Exposed metal work reported as live
• Doors missing
• Lantern or bowl hanging
• Column or pole swaying in wind

Response Times

The following response times apply:

Faults found on night time inspections	7 consecutive days or Street Lighting Section advised by the contractor within a further 24 hours as to why a repair will take longer
Faults reported to contractor by highways maintenance	2 working days or Street Lighting Section advised within a further 24 hours as to why a repair will take longer
Urgent fault	1 working day
Emergency call outs	2 hours
Faults in supply system affecting apparatus	Supply Company informed within 24 hours
Routine (cyclical maintenance)	90 days of agreed programme
Replace damaged equipment	5 working days
Installation, painting and bulk lamp changing	20 working days
Return paperwork	1 working day from work completion

Structural Testing and Inspection of Columns

Structural testing of columns is carried out every twelve years.

Electrical Inspection and Testing

Electrical testing is carried out every six years in accordance with Chapter 73 of BS 7671:Requirements for Electrical Installations.

Records are kept for twelve years.

Electrical testing may include:

• Continuity of protective conductors
• Insulation resistance
• Polarity
• Earth fault loop impedance
• Earth electrode resistance
• Operation of residual current device