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Sunset Reservoir : ウィキペディア英語版 | Sunset Reservoir
Sunset Reservoir is one of three terminal reservoirs in the Regional Water System in San Francisco, California. The reservoir is the city's largest reservoir and is located in the Sunset District at 24th Avenue and Ortega Street, is owned and maintained by the San Francisco Public Utilities Commission. Completed in 1960, the subterranean reservoir was constructed as an , , concrete basin, now containing 720 floor-to-ceiling columns. With its maximum depth of , the reservoir's capacity is with average daily flows of through inlet/outlet pipes. == Seismic upgrades ==
* Seismic rehabilitation, which would include stabilization of the soil dam embankment (completed); a retrofit of the walls and roof using seismic joints, shear walls, diagonal bracing, and struts; and foundation improvements. * General rehabilitation, which would include repairing deteriorated concrete, replacing part of the reservoir lining material, replacing inlet piping, installing security fencing, upgrading the landscaping, and other miscellaneous site improvements.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Sunset Reservoir」の詳細全文を読む
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