Dobbins JLUS IMP Public Draft Light Pollution Study | Page 220

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SHIELDING REQUIREMENTS
Fixture Lamp Type
Residential Area Shielded
Commercial / Industrial Area Shielded
Low Pressure Sodium
Fully
Fully
High Pressure Sodium
Prohibited except fully
Fully
shielded on streets
Metal Halide
Prohibited
Fully
Fluorescent
Fully
Fully
Quartz
Prohibited
Fully
Incandescent > 60 Watts
Fully
Fully
Incandescent 60 Watts or less
No requirement
No requirement
Glass Tubes filled with Neon , Argon , or Krypton
No requirement
No requirement
Mercury Vapor
Prohibited
Fully
Halogen
Prohibited
Fully
Searchlights for advertising purposes
Prohibited
Prohibited
Laser source light or similar light intensity light for advertising purposes
Prohibited when projected above the horizontal
Prohibited when projected above the horizontal
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( 3 ) All outdoor lighting fixtures on controlled by the United States Government or Sta those facilities is encouraged .
( 4 ) Emergency lighting operated course of repairing or replacing damaged facilities .
( 5 ) Emergency lighting and fixtures provide emergency medical treatment or address an
( 6 ) Provided there is no light pollut fixtures are regulated by motion detector , lighting fix exit door and / or alcove of a dwelling unit , not exceed not exceeding 75 watts . ( 7 ) Internally illuminated signs . ( 8 ) Holiday lighting fixtures or displa
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( e ) Recreation Facilities : The following standards are applicable to all structures .
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( 9 ) Architectural lighting whether it
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( 1 ) There shall be no illumination of recreational facilities for private use
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which does not exceed an intensity of 60 watts .
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between the hours of 11:00 p . m . and sunrise .
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( 10 ) Pedestrian lighting which does n
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( 2 ) There shall be no illumination of recreational facilities for public use unless
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( 11 ) Vertical lighting for properly dis
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the facilities are being utilized . The illumination must be turned off no later than 11:00 p . m . or
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which does not exceed an intensity of 140 watts .
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one hour after the termination of the event and / or use , whichever occurs last .
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( f ) Primary Signs ( Billboards ) and Exterior Illuminated Accessory Signs : Lighting
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SECTION 5 . Section 812.12089 of
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fixtures used to illuminate any new primary sign and exterior illuminated accessory signs shal
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amended , to read :
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be mounted on the top of the sign structure and shall comply with the shielding requirements o
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812.12089 Lighting , Outdoor .
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this section .
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“ Outdoor Lighting ”: The following outdoor lighting rela
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( g ) Exemptions : The following outdoor lighting fixtures are exempt from the
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( a ) " Architectural Lighting ": Lighting whic
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requirements of this section :
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with the intent of highlighting an architectural featur
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( 1 ) Fixtures producing light directly by the combustion of fossil fuels , such as
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ornamental in nature or purpose .
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kerosene lanterns or gas lamps .
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( b ) " Attached Lighting ": A light fixture that
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( 2 ) All neon , argon or krypton outdoor lighting fixtures .
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