Culvert and Gabion Wall Repair
Summary
SCH Number
2007098013
Public Agency
California Department of Parks and Recreation
Document Title
Culvert and Gabion Wall Repair
Document Type
NOE - Notice of Exemption
Received
Posted
9/4/2007
Document Description
Repair the culvert and gabion wall retaining system at Sugarloaf Ridge State Park to reduce erosion and maintain the integrity of the gabion wall, which supports the steep east slope and the Park entrance road. Work will improve the drainage pattern on the Pony Gate Trail to divert runoff; replace the existing 24" culvert with 36" corrugated steel culvert and protect inlet and outlet with rip rap and concrete headwall, 5' x 4' trench on Park Entrance road will be backfilled and repaved; install invert I-beam protection on arched culvert at Ponygate Gulch by encasing I-beams in concrete, remove one Alder tree; replace missing gabion rock with light rock throughout the stream section protected by gabions and grout in-place with concrete, rock will be placed to encourage cascading flow conditions to dissipate energy; extend concrete 6' up the gabion wall with Shotrcrete ® to increase and protect wall stability.
Contact Information
Name
Patricia Du Mont
Agency Name
California Department of Parks and Recreation
Contact Types
Lead/Public Agency
Phone
Email
Location
Counties
Sonoma
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Section 15301
Reasons for Exemption
Project consists of the repair, maintenance and minor alteration of existing public facilities involving negligible expansion of use beyond current levels.
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.