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Sports Lighting

Gymnasium Lighting

• Innovative products

• Highest quality

• Numerous choices

• Fixtures for a variety of mounting heights

and applications

• Easy installation and minimum maintenance

GE Lighting Systems can help you light any type of

indoor sports facility including: basketball; volleyball

and tennis courts; exercise and weight rooms; and

swimming pools. Following are detailed layouts

and design data for lighting basketball courts. The

lighting designs are also appropriate for volleyball

gymnastics, wrestling, physical education classes,

and indoor recreational soccer. They offer a choice

of three top-quality products:

GE Versabeam

Luminaire

GE GP5– GHB

Luminaire

GE Omniglow

Luminaire

These design recommendations apply to high

school, elementary school, club, and recreational

basketball courts, as well as small college

gymnasiums where video and still cameras are

used for teaching or for local news. Larger college

athletic facilities will require higher light levels to

accommodate broadcast quality television cover-

age. Consult your GE representative or the factory

for information on these types of applications.

This design guide features metal halide lamps,

which we consider the best choice for gymnasium

lighting. For applications where saving energy

is the main consideration, GE can supply high

pressure sodium (HPS) lighting systems.

GE Lighting Systems also designs and manufactures

a range of high intensity discharge (HID) fixtures

suitable for outdoor sports facilities, as well as area,

industrial, hazardous, roadway and security lighting

applications.

Design Guide

This design guide includes information pertinent

to the layouts on the following pages. Reference

this page along with the appropriate layout and

luminaire specifications for a complete lighting

design package. Consult GE Lighting Systems for

luminaire and accessory ordering numbers.

These layouts assume a ceiling height of 25 feet.

Recommended minimum mounting height to

the bottom of the luminaire is 22 feet above the

finished floor.

For gymnasiums, room surface finishes should have

reasonable reflectance. Minimum wall and

ceiling reflectances should be used. Reflectances

are listed in the standard order: ceiling/wall/floor.

Designs include a light loss factor (LLF) which is

the combined effect on light output of lamp lumen

depreciation (LLD) and luminaire dirt depreciation

(LDD).

Data shown is for fixtures using a 44,000-lumen

400-watt metal halide lamp with a rated life of

20,000 hours. It is based on a medium dirt

environment after 8,000 hours of lamp operation

(40% of life) at an average of 10 hours per start.

Thus, foot-candle (fc) levels given are maintained, as

recommended by IESNA. They are average fc (i.e.,

the average of all measured points on the court)

and are based on measurements computed 3’ off

the floor. Test points for measuring light levels

are on a 15’ by 15’ grid, with the first test point not

more that 7.5’ from the out of bounds line.

The ballast employed for the design is a NuVation

Electronic. There are other types of ballasts and

400-watt metal halide lamps which are suitable for

gymnasiums. Metal halide lamp technology is

changing rapidly, particularly with 400-watt lamps,

so be aware of the choices available. High pressure

sodium lamps can be used for gymnasiums when

color is not critical.

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