Bascule Pier Concrete Pour

February 16 2015

On Friday, February 13th, the largest single concrete pour in recent Victoria history took place from 6 a.m. until approximately 9 p.m.  at the new Johnson Street Bridge site




This massive concrete pour involved approximately 1100 cubic meters of concrete arriving in 120 concrete truck loads and now forms the foundation of the new bascule pier




A concrete pour this complex required specialized techniques, equipment and management




For instance, 120 round-trips from the concrete plant to the bridge site required a high-level of coordination between construction crews, concrete truck drivers and traffic control personnel




In order to ensure the massive amounts of concrete remains at a suitable temperature, specialized cooling hoses coiled throughout the concrete – much the same way a radiator controls the temperature of an engine – controlled the rate of cooling and ensured the concrete cured properly




The pour was anticipated to last up to 24-hours, however, a well executed plan and favourable traffic and weather conditions, along with hard working construction and concrete crews resulted in the pour being completed ahead of schedule and without needing to work through the night



Once complete, more than 50 per cent of the new bridge will be dedicated to pedestrians and cyclists. The new bridge will include on-road bike lanes, a multi-use trail for pedestrians and cyclists, and a dedicated pedestrian pathway in addition to maintaining three lanes for vehicles



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