North Fork Trinity River Bridge Abutment Repair

Summary

SCH Number
2008098001
Public Agency
Regional Water Quality Control Board, Region 1 (North Coast), Santa Rosa
Document Title
North Fork Trinity River Bridge Abutment Repair
Document Type
NOE - Notice of Exemption
Received
Posted
9/2/2008
Document Description
Repair and restore the abutment armoring and adjacent streambank areas. The area of undermined armoring below the ordinary high water elevation will be replaced by filling the void with 2-ton to 4-ton rock riprap. The large rock will be placed into the undermined areas beyond the previous limits of the eroded grout armoring. The remaining damaged area above the ordinary high water elevation iwll be repaired by placing a 1.5-foot thick layer of lighted grouted rock (quarter-ton to half-ton) over a layer of woven geotextile fabric.

Contact Information

Name
Dean Prat
Agency Name
Regional Water Quality Control Board, Region 1 (North Coast), Sa
Contact Types
Lead/Public Agency

Location

Counties
Trinity
Other Location Info
near Helena

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
15301 - Class 1
Reasons for Exemption
The project involves repair of an existing bridge abutment involving negligile or no expansion of existing use.

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613.

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