CASE 4: Post project audit - performance measurements of LED dimming systems during warranty period

Task: Lux Mapping survey for dimming type LED lighting installation.

Presentation: Magenta line (no dimming), yellow line (50% dimming).

Outcome: Lights L1, L2, L4, L5 and L7 operating correctly at dimming and no-dimming mode. Lights L3 and L6 are not operating correctly (L3 is in no-dimming mode all the time; L6 is in dimming mode all the time).

Short term recommendation: Maintenance contractor to check wiring and control components for lights L3 and L6.

Long term recommendation: Schedule next street lighting survey in two years time.