Flood protection work underway

Okotoks: Project to prevent erosion in Lineham area

By: Don Patterson

  |  Posted: Wednesday, Apr 30, 2014 03:08 pm

A back hoe moves rocks into place to reinforce the banks of the Sheep River in Okotoks near Lineham Avenue on tMonday afternoon.
A back hoe moves rocks into place to reinforce the banks of the Sheep River in Okotoks near Lineham Avenue on tMonday afternoon.
Jordan Verlage/OWW

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Work is underway on a project aimed at preventing damage from future flooding on the Sheep River and protecting a cluster of homes near the water.

Construction began last week on two flood mitigation projects along the river near South Railway Street and the Lineham area.

The Town is armouring the Sheep River’s banks with large stones and boulders near in the Lineham area to prevent further erosion to protect homes in the area. A second project is underway removing a gravel bar and excavating out an older section of river channel to encourage the river to move away from South Railway Street and the South Lineham area.

“The bank stabilization keep the bank from eroding further and the channel excavation will hopefully create a new channel where the river will tend to turn a little more to the south sooner,” said Municipal engineer Marley Oness.

The $2 million cost of the project will be covered by the provincial flood recovery erosion control (FREC) program.

Oness said the work is expected to be done by mid-May.

The Town is also planning to build a ‘lock-block’ wall just west of the downtown area to protect it if the CP Rail tracks are ever breached. The tracks serve as a berm preventing water from spilling down Elizabeth Street.

“If the tracks are ever breached, this wall would prevent the flow from coming towards the downtown area,” said Oness. “The wall will push the flow back to the south side of the tracks.”

The work is planned near where Spring Creek crosses Elizabeth Street just west of town. The project involves building sections on the wall on either side of the road and the rest of the wall would be filled in the event the tracks don’t hold.

Oness said this project should also be done by mid-May.

An additional project it planned to fill an old channel near the CRP rail bridge to keep the river on its course and prevent erosion in the area.


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