Parking Lot Lighting Requirements & Standards (IES, OSHA, ADA)
Complete guide to parking lot lighting requirements. Covers IES foot-candle standards, OSHA regulations, ADA compliance, pole height, fixture spacing, and photometric design.
Parking lot lighting must meet specific standards for safety, security, and liability protection. This guide covers every requirement contractors and property managers need to know.
IES Recommended Light Levels for Parking
The Illuminating Engineering Society (IES RP-20) provides these guidelines:
Parking Lots (Open)
| Activity Level | Minimum FC | Average FC | Uniformity Ratio |
|---|---|---|---|
| High (mall, hospital, arena) | 1.0 FC | 3.6 FC | 4:1 max |
| Medium (office, school, church) | 0.5 FC | 2.4 FC | 4:1 max |
| Low (residential, industrial) | 0.2 FC | 1.0 FC | 4:1 max |
Parking Garages
| Area | Minimum FC | Average FC |
|---|---|---|
| Entry zone (daytime) | 50 FC | — |
| Entry zone (nighttime) | 5 FC | — |
| General parking | 5 FC | 10 FC |
| Stairwells | 5 FC | 10 FC |
| Ramps | 5 FC | 10 FC |
OSHA Requirements
OSHA doesn't specify exact foot-candle levels for parking lots, but 29 CFR 1926.56 requires:
- Construction areas: 5 FC minimum
- General site areas: 3 FC minimum
- OSHA cites "adequate illumination" for safety
ADA Compliance
The Americans with Disabilities Act requires:
- Minimum 10 FC at accessible parking spaces
- Uniform lighting at wheelchair ramps and curb cuts
- Consistent light levels along accessible routes (no dark spots)
- Glare control (fixtures should not cause disability glare)
Pole Height and Spacing Guide
Recommended Pole Heights
| Location | Pole Height | Reason |
|---|---|---|
| Small lot (<50 spaces) | 15-20 ft | Residential scale, less glare |
| Medium lot (50-200 spaces) | 20-25 ft | Standard commercial |
| Large lot (200+ spaces) | 25-35 ft | Wider coverage, fewer poles |
| Parking garage | 8-10 ft ceiling | Surface-mounted canopy lights |
Fixture Spacing (Rule of Thumb)
- Spacing ≈ 3-4× mounting height for Type III distribution
- 20 ft pole: 60-80 ft spacing
- 25 ft pole: 75-100 ft spacing
- 30 ft pole: 90-120 ft spacing
*Always verify with a photometric design — these are approximations.*
LED Product Recommendations for Parking Lots
| Lot Size | Fixture | Wattage | Replaces | Price | Coverage |
|---|---|---|---|---|---|
| Small (<50 spaces) | Auvolar OT Series | 75W | 150W HPS | $106 | 3,000 sq ft |
| Medium (50-200) | Auvolar OT Series | 150W | 250W HPS | $129 | 5,000 sq ft |
| Large (200+) | Auvolar OT Series | 200W | 400W HPS | $189 | 7,000 sq ft |
| Extra large | Auvolar OT Series | 300W | 600W HPS | $249 | 10,000 sq ft |
All OT Series fixtures feature:
- Type III and Type V distribution options
- DLC Premium listed (rebate eligible)
- Integral photocell (dusk-to-dawn)
- 20kV surge protection
- IP65 weather rated
- Dark sky compliant (0% uplight)
- 5-year warranty
Photometric Design Example
For a 200-space parking lot (80,000 sq ft):
- Target: 2.4 FC average, 4:1 uniformity
- Poles: 12× poles at 25 ft height
- Fixtures: 12× Auvolar OT Series 200W
- Total cost: 12 × $189 = $2,268
- DLC rebate: 12 × $75 = -$900
- Net cost: $1,368
- Energy savings vs HPS: $2,400/year
- Payback: 7 months
Need Help With Your Lighting Project?
Auvolar provides free lighting design, photometric layouts, and rebate assistance for commercial projects.