Outdoor Lighting
Fixture/Lamp Type | Shielding Required |
|---|---|
Low- or high-pressure sodium, metal halide and fluorescent over 50 watts | Fully |
Incandescent over 160 watts | Fully |
Incandescent 160 watts or less | None |
Fossil fuel | None |
Any light source of 50 watts or less | None |
Table 1 |
|---|
Level of Activities for Events, Parking Facilities and Driveway Accesses |
High Activity: |
* Athletic events |
* Major cultural or civic events |
* Regional shopping centers |
* Fast-food facilities |
* Gasoline service stations |
Medium Activity: |
* Convenience stores |
* Community shopping centers |
* Office parks |
* Transportation parking (airports, commuter lots, etc.) |
* Cultural, civic, or recreational events |
Moderate Activity: |
* Hospital parking areas |
* Professional buildings |
* Neighborhood shopping |
Low Activity: |
* Residential complex parking |
* Industrial employee parking |
* Education facility parking |
* Church parking |
NOTES: If the level of nighttime activity involves a large number of vehicles, the examples above shall move to the next higher level of activity. |
Table 2 | ||||
|---|---|---|---|---|
Guidelines for Maintained Horizontal Illuminances for Parking Facilities and Driveway Accesses | ||||
General Parking and Pedestrian Area | Driveway Access | |||
Level of Activity | Footcandles (minimum on pavement) | Uniformity Ratio (average: minimum) | Footcandles (average on pavement) | Uniformity Ratio (average: minimum) |
High | 0.9 | 4:1 | 2.0 | 3:1 |
Medium | 0.6 | 4:1 | 1.0 | 3:1 |
Moderate | 0.3 | 4:1 | 0.8 | 4:1 |
Lowa | 0.2 | 4:1 | 0.5 | 4:1 |
NOTES: aBased on requirement to maintain security in areas of low-level nighttime activity. | ||||
Outdoor Lighting
Fixture/Lamp Type | Shielding Required |
|---|---|
Low- or high-pressure sodium, metal halide and fluorescent over 50 watts | Fully |
Incandescent over 160 watts | Fully |
Incandescent 160 watts or less | None |
Fossil fuel | None |
Any light source of 50 watts or less | None |
Table 1 |
|---|
Level of Activities for Events, Parking Facilities and Driveway Accesses |
High Activity: |
* Athletic events |
* Major cultural or civic events |
* Regional shopping centers |
* Fast-food facilities |
* Gasoline service stations |
Medium Activity: |
* Convenience stores |
* Community shopping centers |
* Office parks |
* Transportation parking (airports, commuter lots, etc.) |
* Cultural, civic, or recreational events |
Moderate Activity: |
* Hospital parking areas |
* Professional buildings |
* Neighborhood shopping |
Low Activity: |
* Residential complex parking |
* Industrial employee parking |
* Education facility parking |
* Church parking |
NOTES: If the level of nighttime activity involves a large number of vehicles, the examples above shall move to the next higher level of activity. |
Table 2 | ||||
|---|---|---|---|---|
Guidelines for Maintained Horizontal Illuminances for Parking Facilities and Driveway Accesses | ||||
General Parking and Pedestrian Area | Driveway Access | |||
Level of Activity | Footcandles (minimum on pavement) | Uniformity Ratio (average: minimum) | Footcandles (average on pavement) | Uniformity Ratio (average: minimum) |
High | 0.9 | 4:1 | 2.0 | 3:1 |
Medium | 0.6 | 4:1 | 1.0 | 3:1 |
Moderate | 0.3 | 4:1 | 0.8 | 4:1 |
Lowa | 0.2 | 4:1 | 0.5 | 4:1 |
NOTES: aBased on requirement to maintain security in areas of low-level nighttime activity. | ||||