Illuminated signs
Overall objective
To keep all traffic signs legible and visible and maintain illumination where required at all times as far as is reasonably practical. Priority to be given to the maintenance of illumination of traffic bollards and mandatory signs.
Scouting
Scouting is not required as the maintenance contract is of the end-performance type.
Repairs
To be completed within two weeks of notification by the client staff.
Electricity supply faults to be repaired by the Electricity Company within 14 days unless notified as urgent
Where illuminated signs are at the end of their life or have been damaged in a road traffic accident. If the sign is a direction sign the replacement shall be a non-illuminated sign with an enhanced reflectivity to its face.
Preventative maintenance and inspections
Lamp change on failure together with cleaning of interior faces of traffic bollards, optical components, photo-electric cells and base compartments, oil moving parts and adjust as necessary.
Visual, electrical inspection with above. Repair any electrical defects and bring up to requirements of current regulations.
Electrical safety inspections carried out on the basis of risk assessment, but no longer than every six years: Internal wiring - insulation resistance, polarity and earthing Cable networks - insulation resistance, earth loop impedance, polarity and earthing.
Painting - repaint at ten year intervals. Paint galvanised when thickness of galvanising has reduced to 30 microns.
Visual structural inspection during every maintenance visit. Report any actual or incipient structural defects.
Emergency work
Attendance on site to make safe within two hours of notification of defect. Replace damaged equipment within 14 days of the original damage. The sign face of Chevrons, stop and give way signs to be replaced or repaired within seven days.
Records
Maintain records of units, faults and remedial works on a computerised data base (currently Hilight Plus), ensure adequate backing-up of data and maintenance of data for at least six years.