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Wednesday, May 27, 2020  Spokane, Washington  Est. May 19, 1883
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Ice Harbor Dam lock returns to service

In this 2013 aerial file photo, the Ice Harbor Dam on the Snake River is seen near Pasco. (Bob Brawdy / Associated Press)
In this 2013 aerial file photo, the Ice Harbor Dam on the Snake River is seen near Pasco. (Bob Brawdy / Associated Press)
Tribune News Service

BURBANK, Wash. – Despite some unusual noises, the navigation lock at Ice Harbor Dam is back in service after an extended closure.

In a release, U.S. Army Corps of Engineers officials said the lock was reopened just before midnight Thursday. However “popping” noises and reverberations were reported, prompting investigation.

By analyzing data gathered using advanced instrumentation, engineers were able to determine that there was no cause for concern of machinery failure. The gate was cleared to return to full, unrestricted operation and a long-term monitoring plan is being developed from which future recommendations can be made.

Corps officials said vessel operators and occupants may be able to hear the “popping” noise while the lock gates are in operation, however this “nuisance noise” is not a cause for safety concerns.

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