Carquinez Strait Powerline Crossing
Template:Infobox power transmission line Carquinez Strait Powerline Crossing was the world's first powerline crossing of a large river. It was built in 1901 for a 60 kV powerline operated by Bay Counties Power Company to deliver electric power from their Colgate powerhouse to Oakland, California. For this a crossing of Carquinez Strait was required, which has at its narrowest point at Dillon Point a width of Script error: No such module "convert".. Such a span width was impossible with wooden poles, which were common in those days. Installing an underwater cable was considered, but for reliability reasons an overhead power line was installed, which used at the north site of the river a Script error: No such module "convert". tall lattice tower and at the south site one with a height of Script error: No such module "convert"..
The project was designated as a California Historic Civil Engineering Landmark by the American Society of Civil Engineers in 1976.[1][2]
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References
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External links
- [1] (Japanese)
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- Powerline river crossings
- Carquinez Strait
- Energy in the San Francisco Bay Area
- Electric power infrastructure in the United States
- Buildings and structures in Contra Costa County, California
- Buildings and structures in Solano County, California
- History of the San Francisco Bay Area
- 1901 establishments in California