Minimum Parking Lot Lighting Levels

Use ies recommendations to establish new light levels that are both appropriate and desirable.

Minimum parking lot lighting levels.

Light poles should be at least 20 feet tall to provide a high angle of light. The illuminating engineering society of north america ies recommends light levels for basic parking lots and higher light levels for parking facilities where enhanced security is required. 03 1033 11 17 24 020 parking lot standards. Most security cameras are rated for both very low and very high light levels but are limited by contrast ranges.

Industrial employee parking educational facilities churches ies also states that the low values are appropriate wherever there is a requirement to maintain security at any time in areas where there is a low level of nighttime activity. The two main design criteria for parking lots are a minimum light level and a certain uniformity ratio. All parking lot lighting systems must be approved by the municipal board and are given 30 days to make appropriate adjustments. Parking covered 5 1 min.

This chapter establishes standards for parking lot lighting to provide the minimum lighting necessary to ensure adequate vision and comfort in parking areas and avoid glare or direct illumination onto adjacent properties or streets. More light does not equal better quality. 10 1 max min uniformity parking uncovered zone 3. Because luminaires are designed to meet the needs of different parking lot geometries manufacturers assign distribution types that describe the coverage area of the luminaire and its shape.

Providing multiple sources of light lessens the number of areas within a shadow. The height of the parking lot lights cannot exceed 20 feet and must provide a minimum of 25 footcandles of light on the parking surface. Lighting zone 2 suburban 1 0 5 2 6 3 1 2 gas station canopy 12 5 10 15 safety building exterior 1 0 5 2 if security is an issue raise average level to 3 retail general retail ambient 50 department store 40 20 80 15 7 5 30 perimeter 75 35 150 accent lighting displays 3 10 times greater than ambient light levels. Sales lot exterior zone 2 suburban 15 7 5 30 15 7 5 30.