Description
The Gulistan city administration is selecting a contractor to convert the street lighting of the central district to LED sources.
Scope of work:
- removal of 2,840 sodium luminaires;
- installation of 100 W and 150 W IP66 LED luminaires;
- replacement of 41 km of self-supporting insulated cable;
- installation of 18 control cabinets with astronomical timers;
- commissioning of a supervisory system feeding a single control desk.
Luminaires must deliver at least 140 lm/W, a colour temperature of 4000 K and a five-year warranty. Work is carried out at night without fully switching off street lighting. Certified electrical works approval and an accredited electrical laboratory are required. Settlement is staged by section.