CTC 440 - Homework 18 (Lighting)

Design Guides:

Outdoor Illumination Guidelines

Roadway Lighting Quick Selector

1. Utilizing the G.E. "Illumination Recommendations-Outdoor" and "Roadway Lighting Quick Selector" determine the spacing required for:

a. A two-lane roadway, local, high-ped conflict area, GE M-250R2-MSII luminaire with a wattage rating of 100 W HPS with a 25-foot mounting height and a 4-foot overhang. What controls: Foot-Candles or the Uniformity Ratio?

b. A three-lane roadway, collector, med-ped conflict area, GE M-400 prismatic luminaire with a wattage rating of 400 W HPS, a 30-foot mounting height and a 4-foot overhang. What controls: Foot-Candles or the Uniformity Ratio?