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Football

Lighting criteria are different for college, high school, and recreational play. Stadium lighting considerations include:

  • Proper orientations, locations, illuminances and controls that satisfy needs for any type of contingency
  • Number of poles based on the width of the sideline
  • Quality of cutoff or spill light control

STADIUM CLASS DESIGNATIONS

  • Class I - Facility with OVER 5,000 spectator capacity
  • Class II - Facility with UNDER 5,000 spectator capacity
  • Class III - Facility with SOME spectator capacity
  • Class IV - Facility with NO spectator capacity

LIGHTING OVERVIEW

  • Horizontal illuminance - a measure of the lumens per unit area on a horizontal surface. Normally it is measured three feet above the playing surface.
  • Uniformity illuminance - a measure of the rate of change of illuminance expressed as a ratio between the illuminance level of adjacent measuring points on a uniform grid. The limit of uniformity varies with the speed of the ball.
  • LUX - a measure of illuminance weighted to the spectral sensitivity of the human eye. It is defined as 1 lux = 1 lumen/square meter.
  • FC - foot-candle. The official definition is 1 foot-candle = 10.764 lux; however, it is easiest to approximate at 1 foot-candle =  10 lux.