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ABT Car parking - Level 2

Step 2.2: Check the current lighting


Visual or fixture specification check:



Unified Glare Rate UGR = 28




Light uniformity Uo = 0.4



Color rendering Ra ≥ 80
Car park light uniformity


When unified glare rating (UGR) of luminaire is >28

(maximum) occupants experience the lighting as

uncomfortable and blinding.

Car parking glare

Light Uniformity

When the uniformity (Uo) is < 0.4 (minimum)

occupants experience shadows and contrasts, feeling

uncomfortable and have difficulty recognizing faces.

Step 3: Check state of installation


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