Minor Alteration No. WA2024080 - Site 22924: 24-inch Corrugated Drainage Pipe Replacement
Summary
SCH Number
2024090989
Public Agency
Central Valley Flood Protection Board
Document Title
Minor Alteration No. WA2024080 - Site 22924: 24-inch Corrugated Drainage Pipe Replacement
Document Type
NOE - Notice of Exemption
Received
Posted
9/25/2024
Document Description
To authorize the replacement of a 24-inch drainpipe, 15 feet below the levee crown. Construction activities consist of removing or abandoning-in-place 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). Approximately 66 feet of the existing pipe will be filled completely with flowable concrete and abandoned in place according to the Abandoned Pipe Fill Specification. The remainder of the existing pipe through the levee crown and landside levee slope will be removed. The new pipe will be placed approximately seven feet to the south of the existing pipe. 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.
Contact Information
Name
Jennifer Calles
Agency Name
Central Valley Flood Protection Board
Job Title
Senior Environmental Scientist
Contact Types
Lead/Public Agency
Phone
Location
Counties
Glenn
Regions
Northern California
Other Location Info
The project is located at levee mile 10.427 at the following GPS coordinates: 39°36'27.7"N 121°59'39.4"W, in Glenn County.
Notice of Exemption
Exempt Status
Statutory Exemption
Type, Section or Code
PRC Section 21080.21; 14 CCR 15282(k)
Reasons for Exemption
The project is statutorily exempt under the provisions of CEQA. The Board’s approval involves approving a minor alteration request for pipe replacement, which is exempt under CEQA CCR, Title 14, Section 15282(k) because the activity involves the repair, restoration, removal, or demolition of an existing pipeline as set forth in Section 21080.21 of the Public Resources Code. The project is exempt from CEQA under the Class 1, Existing Facilities categorical exemption (CEQA CCR, Title 14, Section 15301), because the activity consists of the repair or minor alteration of existing public structures, facilities, and mechanical equipment, involving negligible or no expansion of use. The project is also exempt from CEQA under the Class 2, Replacement or Reconstruction categorical exemption (CEQA CCR, 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. Further, the project is exempt from CEQA under the Class 4, Minor Alterations to Land categorical exemption (CEQA CCR, Title 14, Section 15304), because the activity consists of minor public alterations in the condition of land, water, and/or 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.
Exempt Status
Categorical Exemption
Type, Section or Code
Sections 15301, 15302, and 15304
Reasons for Exemption
The project is statutorily exempt under the provisions of CEQA. The Board’s approval involves approving a minor alteration request for pipe replacement, which is exempt under CEQA CCR, Title 14, Section 15282(k) because the activity involves the repair, restoration, removal, or demolition of an existing pipeline as set forth in Section 21080.21 of the Public Resources Code. The project is exempt from CEQA under the Class 1, Existing Facilities categorical exemption (CEQA CCR, Title 14, Section 15301), because the activity consists of the repair or minor alteration of existing public structures, facilities, and mechanical equipment, involving negligible or no expansion of use. The project is also exempt from CEQA under the Class 2, Replacement or Reconstruction categorical exemption (CEQA CCR, 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. Further, the project is exempt from CEQA under the Class 4, Minor Alterations to Land categorical exemption (CEQA CCR, Title 14, Section 15304), because the activity consists of minor public alterations in the condition of land, water, and/or 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.
Attachments
Notice of Exemption
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