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Aging Hetch Hetchy tunnel faces 'catastrophic collapse' if not fixed, regulators warn

机译:监管机构警告称,如果不及时解决,希奇隧道将面临“灾难性倒塌”

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A key part of the Hetch Hetchy water system is at risk of "catastrophic collapse" and could need hundreds of millions of dollars in repairs, according to San Francisco regulators. The San Francisco Public Utilities Commission said the Mountain Tunnel, which supplies water from the Hetch Hetchy reservoir to 2.6 million homes and businesses in the San Francisco Bay Area, will need at least $100 million in repairs or a full replacement at a cost of $630 million. The utility commission has known for 25 years that significant rebuilding work would be needed on the 19-mile tunnel, which was built in 1925, but focused its budget for capital improvements on other infrastructure. The tunnel is difficult to access because it travels through a rugged wilderness area near Yosemite National Park.
机译:旧金山监管机构称,赫奇赫奇水系统的关键部分处于“灾难性崩溃”的风险中,可能需要数亿美元的维修费用。旧金山公共事业委员会说,从海切赫奇水库向旧金山湾区的260万家庭和企业供水的山地隧道将需要至少1亿美元的维修或全部更换,费用为6.3亿美元。 。公用事业委员会已经知道25年了,这条19英里长的隧道建于1925年,需要大量的重建工作,但其预算重点是用于其他基础设施的资本改善。该隧道难以穿越,因为它穿越了优胜美地国家公园附近崎rug的荒野地区。

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    《Greenwire》 |2014年第13期|1-3|共3页
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