SR 520 - Test Pile and Noise Reduction Study

Beginning Oct. 23, we are conducting an in-water test pile and noise abatement study. This work is done as part of the design work for the I-5 to Medina: Bridge Replacement and HOV Project.

This study will help us:
- Evaluate the noise effects of pile driving in Lake Washington and identify the best methods for minimizing noise that could affect people, fish and wildlife during construction.
- Determine the best pile installation methods and ensure that the Bridge Replacement and HOV Project stays on schedule.

For more information: www.wsdot.wa.gov/Projects/SR520Bridge/

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items are from between 16 Oct 2009 & 28 Oct 2009.