Activities will consist of maintenance work to remove approximately 5,000 cubic yards of gravel, cobble and boulders from the Tuolumne River channel to allow for operation of the O'Shaughnessy Diversion Tunnel Flap Gate. Excavated sand and rock will be removed to spoil sites outside of the river.
The project is minor in nature and will have no significant environmental impacts if completed under the protective features included in the Stream Alteration Agreement No. 2005-0167-R4. The project for the maintenance and repair of existing structures and facilities.
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