Environmental Compliance

Interstate 580 Eastbound HOV Lane Project - Cottonwood Creek Permitting | Alameda County, California

Downstream End of the I-580/Cottonwood Creek Culvert
Downstream End of the I-580/Cottonwood Creek Culvert
Client:
Alameda County Transportation Commission
Project Description:
Alameda County Transportation Commission (ACTC) in coordination with Caltrans proposes to construct an eastbound High Occupancy Vehicle (HOV) lane on Interstate 580 in the cities of Pleasanton, Dublin and Livermore in Alameda County. The purpose of the project is to reduce congestion and delay in order to improve traffic safety and operations, while encouraging the use of alternative transportation modes.

WRECO was involved in the PA/ED and PS&E phases of the project. In addition, WRECO provided services for the Cottonwood Creek wetland mitigation and environmental permit application. WRECO prepared the Joint Aquatic Resource Permit Application (JARPA) for the project, which was submitted to the San Francisco Bay Regional Water Quality Control Board, U.S. Army Corps of Engineers, California Department of Fish and Game and U.S. Fish & Wildlife Service. Amount of total fill, as well as temporary and permanent impacts, was calculated based on the impact of the wetland and other waters of the U.S. With the assistance of a biologist, a wetland was designed as mitigation in the Greenville on- and off-ramps. WRECO also coordinated with Caltrans and addressed their comments.
Key Tasks:
Environmental Permitting Application: JARPA Preparation & Submittal
Tributary Ditch and Trees along Cottonwood Creek
Tributary Ditch and Trees along Cottonwood Creek
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