East Toba powerhouse with penstock trench climbing the hill in the background. The East Toba River waterfall is seen top right.
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East Toba powerhouse with turbine housing stage 2 slab in place. At top left, two cranes support the first penstock section being welded to the bifurcation (water splitter) section that enters the powerhouse.
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This image shows the progress made at the East Toba powerhouse between our June and July documentation photos.
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The bifurcation pipes in the East Toba powerhouse.
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The first penstock section out of the East Toba powerhouse being welded into place.
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A welder at the mouth of the penstock.
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Biurcation (green) and penstock (yellow) sections are carefully aligned by the crane operators for welding.
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The steel walls of these pipes are 54mm (more than 2 inches) thick to withstand the incredible pressure of the water about to hit the turbines. It takes 14 welding passes to complete a seam.
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Flying from the East Toba powerhouse up to the intake, the completed penstock sections can be seen in the trench awaiting cover.
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The East Toba intake is progressing as scheduled.
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A worker ties some of the miles of re-bar.
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Looking north in the direction of the penstock alignment.
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Formwork for the transition section from the East Toba diversion into the penstock.
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The Montrose intake, looking west to the penstock alignment.
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Workers at the Montrose intake have made remarkable progress. At the time of our June documentation, this site was still bare rock.
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The Montrose intake.
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All workers on site wear regulated safety equipment at all times, including high visibility vests, eye protection, gloves, CSA approved steel toe boots, long sleeves and pants.
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In late July, the sun was out and temperatures were in the 30's C, so a few of the workers improvised some extra protection.
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The Montrose penstock alignment.
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The Montrose penstock alignment, looking west towards the powerhouse site.
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At top of photo, a riparian repair of old logging damage is visible. The upgraded, historic forestry road parallels the transmission line right-of-way which was cleared less than two years ago. The ROW is greening up well.
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Contractors are continuing to erect poles for the transmission line all along the corridor.
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Careful planning of the transmission corridor allowed us to use existing logging access roads and pass through existing logging cuts. You can see a continuation of our transmission corridor cresting the ridge.
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In a few locations, steel structures are necessary to support the transmission line. They represent less than 1% of the transmission pole structures carrying the line.
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The transmission line turns a corner.
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The transmission heading down the Freda Valley.
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