IESNA LIGHTING HANDBOOK DEFINITIONS:

I. Area classification:

1. Commercial    That portion of a municipality in a business development where ordinarily there are large numbers of pedestrians during business hours.

2. Intermediate    That portion of a municipality often characterized by a moderately heavy nighttime pedestrian activity such as in blocks having libraries, community recreation centers, large apartment buildings or neighborhood retail stores.

3. Residential    A residential development, or a mixture of residential and commercial establishments, characterized by a few pedestrians at night. This definition includes areas with single family homes, townhouses and/or small apartment buildings.

II. Activity level:
1. High activity
   Major league athletic events, major cultural or civic events, and major regional shopping centers.

2. Medium activity    Fast food facilities, area shopping centers, hospital parking areas, transportation parking (airports, etc.), cultural, civic or recreational events, and residential complex parking.

3. Low activity    Local merchant parking, industrial employee parking, educational facility parking.

III. Bikeway classification

1. Type A bikeway - a strip within or adjacent to a public roadway or shoulder, used for bicycle travel.

2. Type B bikeway - an improved strip identified for public bicycle travel and located away from a roadway or its adjacent sidewalk system.

Source: Illuminating Engineering Society of North America




ILLUMINATION GUIDELINES FOR STREET, PARKING, AND PEDESTRIAN AREAS

Street Illumination
Commercial Intermediate Residential
Street  Hierarchy Lux (Fc) Lux (Fc) Lux (Fc)
Collector 13 (1.2) 10 (0.9) 6 (0.6)
Minor-Residential 10 (0.9) 6 (0.6) 4 (0.4)
Subcollector Local 6 (0.6) 4 (0.4) 4 (0.4)


Parking Illumination (Open Parking Facilities)
Vehicular
Traffic
Pedestrian
Safety
Pedestrian
Security
Activity Level Lux (Fc) Lux (Fc) Lux (Fc)
Low    5 (0.5)    2 (0.2)    9 (0.8)
Medium 11 (1) 6 (0.6) 22 (2)
High 22 (2) 10 (0.9) 43 (4)


Pedestrian Way Illumination
Minimum Average Level Average Levels for
Pedestrian Security
Walkways & Bikeway Classification Lux (Fc) Lux (Fc)
Sidewalks (Roadside) and Type A Bikeways:
Commercial Areas 10 (0.9) 22 (2.0)
Intermediate 6 (0.6) 11 (1.0)
Residential Areas 2 (0.2) 4 (0.4)
Walkways Distant From Roadways and Type B Bikeways:
Park Walkways and Bikeways 5 (0.5) 6 (0.6)
Pedestrian Tunnels 43 (4.0) 54 (5.0)
Pedestrian Overpasses 3 (0.3) 4 (0.4)
Pedestrian Stairways 6 (0.6) 9 (0.8)


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