Crews will begin retrofitting an underpass on Geary Boulevard today with new lighting as part of an ongoing effort to be more energy efficient, according to the Department of Public Works.
Technicians were scheduled to begin work at 9 a.m. on replacing about 350 fluorescent lighting fixtures along the Geary Boulevard underpass between Collins and Lyons streets, department officials said.
The new lights have a life expectancy of more than 36,000 hours, and they are estimated to save more than 260,000 kilowatt hours per year.
This is one of a number projects that the San Francisco Public Utilities Commission has worked on over the past eight years in efforts to make the city more energy efficient, according to public works.
The projects have saved the city about 36,000 megawatt hours per year, department officials said.
Crews will work to replace the bulbs between 9 a.m. and 3 p.m. for five weeks.
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