TRT have prepared the following technical information for our customers:

Maintenance Factors for TRT Luminaires

When designing a road lighting scheme with TRT lanterns, the maintenance factors to be used for CLO & NON-CLO designs are different. The maintenance factor design guides (Maintenance Factors for Non-CLO Luminaires & Maintenance Factors for CLO Luminaires) provide an in-depth explanation of how to calculate maintenance factors for TRT luminaires and are aligned with BS5489-1:2020 Annex C.