Typically our excess drinking water is released via Cleveland Dam's Face Tunnel, Base tunnel, By-pass Tunnel (built before the dam was constructed) or the Drum Gate.
(This video was taken 2020-09-19)
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How it Works - Floating Drum - Metro Vancouver
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Before the accident
Max. length | 4.8 km (3.0 mi) |
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Max. width | 750 m (2,460 ft) |
Average depth | 87 m (285 ft) |
Water volume | 57.9×109 L |
And then 'Human Error made the Floating Drum Drop'
Metro Vancouver ousts three workers in wake of fatal water release at Cleveland Dam.
Oct. 1 incident happened during maintenance work on a drumgate and was due to human error, agency says in news release.
Item I. Other business
October 1, 2020 Cleveland Dam Spillway Incident (Page 7 of 47)
Jerry W. Dobrovolny, Commissioner, provided members with a verbal update on the October 1,2020 Cleveland Dam spillway incident, including Metro Vancouver's full cooperation with the ongoing investigation, multi-jurisdictional emergency response and involvement, counselling and support for staff, and next steps.
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Since the accident the drumgate hasn't been raised and Metro has started the process of replacing the Drumgate as we know it.
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