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Photo Gallery on Dawson Creek Mirror

Site C Construction - September/October 2020

Dawson Creek Mirror

November 18, 2020 09:16 AM

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Diversion of the Peace River at Site C began on Sept. 30, 2020, when the diversion tunnels gates were opened. Photos and information by BC Hydro
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Diversion of the Peace River began on Sept. 30, 2020, when the diversion tunnels gates were opened.
Photo By BC Hydro
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The Peace River begins flowing into the diversion tunnels as the gates are opened.
Photo By BC Hydro
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On October 3, 2020, the final rock materials were placed to complete the rockfill berm, initiating full diversion of the Peace River.
Photo By BC Hydro
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The completion of the rockfill berm officially marked the beginning of the project’s river diversion phase; behind the berm, the upstream cofferdam nears full encroachment across the Peace Rive, October 2020.
Photo By BC Hydro
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The Peace River continues to flow down the main river channel as well as through the open diversion tunnels as the rockfill berm nears completion, October 2020.
Photo By BC Hydro
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With the rockfill berm and upstream cofferdam complete, the Peace River flows through Site C’s twin diversion tunnels at centre-left, October 2020.
Photo By BC Hydro
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Construction continues on the upstream cofferdam; material placement and pile installation will progress throughout the winter, October 2020.
Photo By BC Hydro
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The downstream cofferdam is under construction as the Peace River exits the diversion tunnels, October 2020.
Photo By BC Hydro
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The Peace River flows out of the diversion tunnels near the temporary upstream fish passage facility (blue building), October 2020.
Photo By BC Hydro
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The temporary upstream fish passage facility began operations in September 2020. During dam construction, fish are sorted and then transported upstream of the dam site for release back into the Peace River and its tributaries.
Photo By BC Hydro
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Biologists sort fish inside Site C’s temporary upstream fish passage facility, September 2020.
Photo By BC Hydro
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On October 2, 2020, a longnose sucker was the first fish to arrive at the temporary upstream fish passage facility. Biologists sampled, tagged and released the fish two kilometres upstream of the dam site.
Photo By BC Hydro
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The transport pod is loaded onto a truck to take fish upstream of the dam site to be released back into the Peace River and its tributaries, October 2020.
Photo By BC Hydro
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Crews complete the first of two new 75-kilometre-long 500kV transmission lines connecting the Site C substation to the rest of BC Hydro’s transmission system at the Peace Canyon substation and were energized on Oct. 9, 2020.
Photo By BC Hydro
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BC Hydro opened the diversion tunnels and placed the upstream cofferdam across the Peace River in early October, completing the process of river diversion, October 2020.
Photo By BC Hydro
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Filling the inlet cofferdam in preparation for the diversion tunnel gates leakage testing, August 2020.
Photo By BC Hydro
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Filling the outlet cofferdam to leakage test the diversion tunnel 2 stoplogs, August 2020.
Photo By BC Hydro
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Positioning stoplog lifting beam into position to remove a stoplog segment from the diversion tunnel 2 outlet following leakage testing, September 2020.
Photo By BC Hydro
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One of eight stoplog segments (each weighing 24,000 kg) being removed and stored, September 2020.
Photo By BC Hydro
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Left Bank core trench excavation, September 2020.
Photo By BC Hydro
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Removing the inlet portal coffer dam, September 2020.
Photo By BC Hydro
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Debris booms are in position upstream of the inlet portal to help manage debris woody debris the Peace River, August 2020.
Photo By BC Hydro
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The Cache Creek West Highway 29 realignment section is complete and requires final paving, September 2020.
Photo By BC Hydro
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The new Halfway River bridge, with nine of 12 piers under construction, September 2020.
Photo By BC Hydro
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A helicopter completes the sock line installation on a free standing 500 kilovolt transmission tower near the Peace Canyon switchyard, August 2020.
Photo By BC Hydro
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The completed Cache Creek East embankment on Highway 29, August 2020.
Photo By BC Hydro
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The highway approach on the east side of the new Halfway River bridge is under construction, August 2020.
Photo By BC Hydro
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Dam core materials from the 85th Avenue Industrial Lands are transported by a conveyor system to the dam site, August 2020.
Photo By BC Hydro
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