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原文传递 Demolition At Ohio River L&Ds 52, 53 To Wrap Up In 2022

题名：	Demolition At Ohio River L&Ds 52, 53 To Wrap Up In 2022
正文语种：	eng
作者：	SHELLEY BYRNE
摘要：	Demolition at the former Ohio River locks and dams 52 and 53 in southern Illinois is expected to be complete by the end of the year. While landside demolition was finished in 2021, work on the structures in the river is taking longer, said Dewey Rissler, project manager with the Louisville Engineer District. Both Lock and Dam 52 at Brookport, Ill., (Mile 939) and 53 at Olmsted, Ill., (Mile 963) were replaced by the construction of the Olmsted Locks and Dam (Mile 964), which opened in August 2018. Demolition at 52 is farther along than at 53 as the contract was let earlier. "There is still some excavation that needs to be done to lower portions of the river bottom where the dam was to get down to the elevation that we seek," said Bill Hunter, project engineer. "There is some concrete and the like that is difficult to get to. It's underwater, and it's hard for the contractor to see what they're doing and measure what they're doing, so there is a little bit of that left to do."
出版年：	2022
期刊名称：	The Waterways Jouranl
卷：	136
期：	1
页码：	9-9