Erdman Anthony was contracted by the Florida Department of Transportation
(FDOT), District 4, Planning and Environmental Management Office, to develop
lighting plans for retrofitting existing roadway lights on SR A1A from the
Miami/Dade County line to the Palm Beach County line (approximately 24 miles in
length) in Broward County. This fast-track project identified existing
pole-mounted luminaires spilling light over adjacent sea turtle nesting beaches.
These problem lights included FDOT standard Cobraheads and several types of
decorative luminaires and light fixtures.
The project required extensive research and coordination with municipalities,
FPL and FDOT District Lighting Engineer Office to develop acceptable design
options. Erdman Anthony used innovative approaches (e.g., worked with GPS
coordinates for the existing poles to avoid expensive and time-consuming
topographic survey) to develop the project plans within a short schedule. We
developed design details and specifications for retrofitting the lights and
prepared traffic control plans and a cost estimate for close to 500 FDOT
standard Cobraheads and decorative lights. The retrofit design replaced the
existing high-intensity (250 watts or higher) luminaires with 150-watt shielded
luminaires. Using low-intensity luminaires and shielding them resulted, in some
cases, in illumination levels that were lower than required by FDOT standards.
This necessitated preparation of a lighting design variation package for FDOT
No workable internal/external shields were found for the Acorn
type decorative luminaires, these lights were therefore recommended for
replacement (done under a separate project by others) and the exisitng lights
were turned off during the sea turtle nesting and hatching season from March
through October. Erdman Anthony also provided post-design services and prepared
as-built plans for the lighting retrofit work. The project was completed in 2008
and has been very well-received by road users and residents.
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Erdman Anthony is a multidisciplinary firm specializing in infrastructure engineering and support services.
The Erdman Anthony headquarters is located in Rochester, NY. We have 250+ personnel dispersed throughout offices in New York, Pennsylvania, Maine and Florida.
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