Big Dig (Regina, Saskatchewan)
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The Wascana Lake Urban Revitalization Project—known locally as the Big Dig—was an $18 million project to deepen Wascana Lake in Regina, Saskatchewan, Canada. The project took place during the winter of 2004.
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[edit] Background
Originally created by damming Wascana Creek to provide a town water supply, Wascana Lake was drained in the 1930s as part of a government relief project; 2,100 men widened and dredged the lake bed and created two islands using only hand tools and horse-drawn wagons.
During the late 20th century, sediment accumulating at the bottom of the lake eventually reduced its depth by 35 per cent, which had reached 1.5 metres by 2003. In addition, there was an abundance of weeds throughout the lake.
The funding of the project was jointly shared by the federal, provincial and municipal governments. Half of the funding was provided by the Government of Canada while the Province of Saskatchewan and the City of Regina committed $5 million and $4 million respectively.
[edit] Excavation
Excavation of the lake was performed by Dominion Construction of Regina and Broda Construction of Kamsack. The lake was dredged to an overall depth of 5.5 metres with a deeper section of 7.5 metres serving as a fish habitat. Over 1.3 million cubic metres of soil was removed from the lake bottom between 6 January and 21 March with crews working 24 hours a day.
[edit] Additional construction
In addition to the deepening of the lake, construction crews created additional features.
A new island was created from the Broad Street Bridge abutment. The island includes a bridge for pedestrian access, as well as a pedestrian path and a waterfall.
Crews installed a dozen aeration filters throughout the lake to produce oxygen to the water in order to improve its life-supporting quality. A circular fountain was erected in the center of the lake opposite the legislative building.
The creation of a new pathway adjacent to the Albert Street Bridge now connects the paths on the north and south shores, providing a complete walkway around the lake. In addition, the south pedestrian path now passes under the Broad Street Bridge connecting the east and west recreation areas.
