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Stabilization work wraps up on section of Highway 99 plagued by slides

DCN-JOC News Services
Stabilization work wraps up on section of Highway 99 plagued by slides
PROVINCE OF B.C.—Crews have finished work to stabilize a portion of Highway 99 near Lilloet that has been plagued by slides for decades.

LILLOOET, B.C.—It will be smooth sailing for drivers going between Lillooet and Kamloops on Highway 99 thanks to the completion of slope stabilization work. 

The province announced crews have completed slope stabilization activities at Ten Mile Slide on Highway 99. Officials noted the work will improve the long-term safety and reliability for people travelling the highway northeast of Lillooet.

“As a result of the collaborative work between the province and Xaxli’p on this geotechnically complex project, the Ten Mile slope is now stable with a safe, two-lane highway open through the site,” said Rob Fleming, minister of transportation and infrastructure, in a statement.

Ten Mile Slide rests within Xaxli’p’s Fountain Indian Reserve, approximately 17 kilometres northeast of Lillooet. For decades the chunk of Highway 99 has been plagued by slide activity. The province partnered with Xaxli’p throughout all phases of the project.

“Xaxli’p Chief and Council are very pleased that the Ten Mile Slide Stabilization Project has come to a completion,” said Xaxli’p Chief Colleen Jacob. “It has been a long process dating back decades, as current and previous Xaxli’p leadership worked with the ministry to identify a more long-term solution to the ongoing movement of this large tunnel earthflow. It is our intent that this has greatly improved the safety and reliability of the road for all, including Xaxli’p, all surrounding St’at’imc and Lillooet communities, and the many travellers who access this route. We would like to extend our thanks to all the workers of Xaxli’p Development Corporation, Flatiron, local businesses and the ministry, who have helped to ensure the safety of the people through the construction.”

Stabilization work included installing 148 concrete and composite piles below the highway to support the road and prevent further movement and placing 276 soil anchors above the highway. The road was then reconstructed to two lanes. Approximately 40 local workers were hired to help construct the project.

“This was a very significant technical project with a leading-edge design, and we were most fortunate that the chosen contractors were of the calibre,” said Peter Busse, mayor of Lillooet.

“The contractors, together with the Ministry of Transportation and Infrastructure engineering team, offered a high degree of success in delivering this project, maintaining the integrity of this important piece of highway that will carry us well into the future.”

Officials stated they expect minor ground settlement on portions of the rebuilt highway. The gravel surface will remain for approximately two years until the site fully settles, at which time the highway will be paved.


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