Blog
January 2017

 

Otak was well represented at the annual ACEC Engineering Excellence Awards banquet on Wednesday evening (January 18th) at the Multnomah Athletic Club in downtown Portland. In attendance were members of Otak’s staff, the City of Lake Oswego, and Clark Regional Wastewater District, all of whom were there to support two projects that had been submitted for awards.

 

The Rockinghorse Lane Drainage Improvements and Landslide Stabilization project was submitted by Otak’s Portland office as the prime consultant selected to work with the City of Lake Oswego to repair a highly degraded drainage outfall and adjacent landslide. ACEC honored us with the Small Project Award for our efforts. The project required a careful balance of environmental permitting, thoughtful civil and water resource engineering design, and geotechnical consultation. Ultimately, the project installed approximately 300 feet of fused HDPE pipe to convey stormwater through the steepest topography, created 250 feet of open channel, repaired the State Park’s trail crossing, and constructed a large shear key to buttress the slide that included 1,500 tons of stone embankment.

 

The Tenny Creek Slide Emergency Repair project was submitted by Otak’s Vancouver office, and included stabilizing and repairing the broken sewer line, moving the creek laterally and reconstructing the slide area, providing a streambed design that met fish passage requirements, and restoring the area with upland plantings as it is in a habitat buffer area.  We were given an Honor Award for our this project.

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