CASE 1: LED street lighting – level of service (LoS) measurements

CASE 1: LED street lighting – level of service (LoS) measurements

Task: Street lighting survey and LoS performance measurements Presentation: Excel graph / spreadsheet Conclusion: Category P3 lighting levels delivered along surveyed section Action: Add lux survey data to road asset database Recommendation: Check level of service (LoS) in three years time. Read On...
 
 
CASE 2: Street lighting performance – minor safety assessments

CASE 2: Street lighting performance – minor safety assessments

Task: Street lighting survey Presentation: Google Earth application Outcome: Identification of poorly lit road sections Action: Add sites /sections to minor safety upgrade programme. Read On...
 
 
CASE 3: Performance measurements of LED lights and assessment of cleaning periods

CASE 3: Performance measurements of LED lights and assessment of cleaning periods

Task:Lux Mapping survey for LED lighting installation. Presentation: Magenta line 1 month, green line 23 months after installation. Outcome:L1, L3 and L4 are showing expected lumen/lux depreciation. Light L2 is showing approx 25% lumen depreciation after only two years in service. Short term ... Read On...
 
 
CASE 4: Post project audit - performance measurements of LED dimming systems during warranty period

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 ... Read On...
 
 
CASE 5: Performance measurements of street lighting  - prioritization list and custom mapping

CASE 5: Performance measurements of street lighting - prioritization list and custom mapping

Task: Lux Mapping survey of local and collector type roads. Presentation: Lux level vs crash data maps are generated by asset owner. Outcome: Quick visual identification of roads with poor lighting levels and high crash rate. Short term recommendation: Create priority list for lighting upgrades using lux vs crash ... Read On...
 
 
CASE 6: Performance measurements of street lighting and prioritization maps

CASE 6: Performance measurements of street lighting and prioritization maps

Task: Dynamic data collection and mapping. Lux Mapping survey of local and collector type roads. Presentation: Colour coded prioritization map in Google Earth format. Outcome: Quick visual identification of roads with poor and very poor lighting levels (red and orange colour). Recommendation: Add lux data map to ... Read On...
 
 
CASE 7: LED lighting, asset maintenance – lux depreciation

CASE 7: LED lighting, asset maintenance – lux depreciation

Annual Task: Lux Mapping survey for LED installation over a 5-year period. Presentation: Lux level vs. distance in spreadsheet format. Outcome: Year 1 and year 5 data are shown. Average lux depreciation 23%. Short term recommendation: Arrange for day time site inspection to check condition of the lights. Medium ... Read On...
 
 
CASE 8: Airport apron lighting - performance audit

CASE 8: Airport apron lighting - performance audit

Task: Performance audit of lighting on aircraft stand Presentation: Lux level vs. GPS coordinates in kml format. Outcome: Sufficient lighting levels along centre line Recommendation: Regular monitoring on annual basis. Read On...