Sinkhole shuts down roads

A water-main break left a gaping hole in the pavement of a southeast intersection Thursday morning.

A water-main break left a gaping hole in the pavement of a southeast intersection Thursday morning.

Dianne Marston was driving home from the shopping centre on Thursday when she saw water spewing out of the fire hydrant in front of Centennial High School.

A water-main break occurred at Sunvalley Boulevard and Sunpark Drive SE, but it wasn’t a concern to Marston.

“If it was a concern, I’m sure they would tell us,” she said.

The City of Calgary Water Services said the break will be fixed and that water service has not been affected. Centennial High School currently has temporary water service.

“It’s not a significant event in our eyes,” said Mike Mac Isaac, from water services. “People going by there seeing a big hole, of course it’s significant to them, but it’s normal.”

The 12-inch PCB pipe burst because it was under pressure and, in turn, it caused the soil to displace and the top part of the road to sink in.

“It’s normal whenever you have a main break,” said Mac Isaac.

“When it’s a big main you are going to have a cavity hole.”

Mac Isaac said they deal with approximately 300 cavities a year.

The intersection will remain closed until the hole is filled, said Mac Isaac, which should by Saturday. Detours in the area are in effect.

 
 
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