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A major slide in February 1999 caused mud and debris to slide down a steep slope under City Light’s transmission lines and into Coal Creek, diverting stream flow and eroding the bank to within 10 feet of a private residence. Emergency measures by City Light’s Right-of-Way crew saved the private residence, but a more permanent solution was needed. An innovative design solution was developed that was stable, fish friendly, and produced a natural looking streambed. A determined effort was made to creatively incorporate a complete revegetation plan along with the structural installation of bank stabilization materials. The cooperative design efforts of a civil engineer, a fish biologist, and a plant biologist, plus the practical installation skills of a Lineworker and the Right-of-way Maintenance crew made this extraordinary project a success. The project has not only improved City Light’s relationship with the property owner, state agencies and the City of Bellevue, but also served as a model for other similar restoration projects.
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