Minor Alteration No. WA2024081-Drainage Pipe Replacements - Willow Slough Bypass - DSID 545
Summary
SCH Number
2024090422
Public Agency
Central Valley Flood Protection Board
Document Title
Minor Alteration No. WA2024081-Drainage Pipe Replacements - Willow Slough Bypass - DSID 545
Document Type
NOE - Notice of Exemption
Received
Posted
9/12/2024
Document Description
To authorize the replacement of a 24-inch drainpipe, 13.5 feet below the levee crown, through the right (south) bank levee of Willow Slough Bypass. Construction activities consist of removing the existing pipelines and associated inlet and outlet structures; constructing new concrete inlet and outlet headwalls; installing the new pipeline; and backfilling around and under with controlled low strength material (CLSM). The replacements will occur within the original footprint and include a flap gate. Construction activities will require clearing and grubbing of existing vegetation in the work area and involve ground disturbance by heavy equipment and concrete trucks along the levee crown and slopes. All work will be done outside of flood season.
Contact Information
Name
Jennifer Calles
Agency Name
Central Valley Flood Protection Board
Job Title
Senior Environmental Scientist
Contact Types
Lead/Public Agency
Phone
Location
Coordinates
Cities
Davis, West Sacramento, Woodland
Counties
Yolo
Regions
Northern California
Other Location Info
The project is located at levee mile 4.29 at the following GPS coordinates: 38°35'22.3"N 121°40'50.0"W
Other Information
Yolo County, near the City of Davis
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
CEQA CCR, Title 14, Sections 15301, 15302, 3 and 15304
Reasons for Exemption
The project is exempt from CEQA under the Class 1, Existing Facilities categorical exemption (CEQA California Code of Regulations, Title 14, Section 15301), because the activity consists of the operation, repair, maintenance, and minor alteration of existing structures, facilities, mechanical equipment, or topographical features, involving negligible or no expansion of use. No expansion of existing or former use will occur. The project is also exempt from CEQA under the Class 2, Replacement or Reconstruction categorical exemption (CEQA California Code of Regulations, Title 14, 15302), because the activity consists of replacement and reconstruction of an existing structure in the same site and will have substantially the same purpose and capacity as the replaced structure. Additionally, the project is exempt from CEQA under the Class 3, New Construction categorical exemption (CEQA California Code of Regulations, Title 14, Section 15303), because the activity consists of construction and location of limited numbers of new, small structures; and installation of small new equipment in small structures. Lastly, the project is exempt from CEQA under the Class 4, Minor Alterations to Land categorical exemption (CEQA California Code of Regulations, Title 14, Section 15304), because the activity consists of minor alterations in the condition of land and vegetation which do not involve removal of mature, scenic trees except for forestry and agricultural purposes. Further, none of the exceptions to the exemption in CEQA California Code of Regulations, Title 14, Section 15300.2 apply.
County Clerk
Yolo
Attachments
Notice of Exemption
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