Hazel Dell Slide Repair

NAME: Hazel Dell Slide Repair
LOCATION: Cowlitz County, Washington
MARKET: Landslide
SUBMARKET: General

DESCRIPTION:  A ±30-foot-wide section of the slope between Hazel Dell Road and Leckler Creek failed, leaving a ±6-foot high, near vertical scarp at the guard rail. A permanent wall is planned to replace the temporary wall that was installed to support the edge of the road. The permanent wall will be a soldier pile wall constructed downslope of the block wall. The permanent wall will accommodate possible future roadway widening.

SERVICE:  Foundation Engineering, Inc. conducted exploratory drilling, laboratory testing, retaining wall design and completion of a technical memorandum. The memorandum summarized the geotechnical investigation, retaining wall analysis, and design recommendations for the selected wall type.

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