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Novelty Hill Transmission Line Mitigation

Mitigation includes placed wood.
Ponding at a mitigation site being graded.
The Watershed Company used adaptive design strategies to compensate for increased beaver activity at Duvall Park mitigation site.
PSE crews included habitat features with the installation of new transmission lines.
Biologist measuring vegetation as part of annual site monitoring.
PSE crews carefully planned around streams and buffers during transmission line service.
Biologist walking a transmission line corridor while ensuring regulatory compliance.
Biologist measuring vegetation as part of annual site monitoring.

Statistics

Client: Puget Sound Energy
Location: Redmond, WA
Dates: 1995 - ongoing
Services: Wetland mitigation design, permitting, construction oversight, monitoring

Description

The Watershed Company provided Federal, State and local permit support, wetland mitigation design, construction oversight and monitoring for a transmission line replacement project in the Novelty Hill area of King County. Nine miles of new transmission lines were constructed in summer 2006, with associated impacts in three river basins. The Watershed Company assisted with regulatory processes, including King County Public Agency Utility Exception, and U.S. Army Corps of Engineers and Washington Department of Ecology permits. Construction oversight included monitoring of clearing around wetlands, riparian areas and their buffers to ensure that mitigation met regulatory requirements. Post construction monitoring is under way.