Gas Transmission Pipeline Erosion Mitigation
Summary
SCH Number
2022020497
Public Agency
California Regional Water Quality Control Board, Central Coast Region 3
(RWQCB)
Document Title
Gas Transmission Pipeline Erosion Mitigation
Document Type
NOE - Notice of Exemption
Received
Posted
2/22/2022
Document Description
The proposed project activities include:
• Mowing and clearing the project area;
• Removing 16 native and non-native trees;
• Trimming seven native and non-native trees;
• Removing up to 30 linear feet of existing concrete swale;
• Restoring a minimum of 3 feet of coverage over the exposed pipeline;
• Installing a new rip rap swale;
• Installing backfill to match the existing grade at the top of the swale;
• Installing 25 square yards of biodegradable erosion control blanket along the northern boundary of the proposed swale;
• Excavating accumulated debris and soil from the failed concrete swale;
• Dewatering if necessary;
• Preforming corrective grading of slope and contour for the rip rap swale; and
• Hydroseeding using an appropriate native seed mix.
Contact Information
Name
Kim Sanders
Agency Name
State Water Resources Control Board
Job Title
Envl. Scientist
Contact Types
Lead/Public Agency
Phone
Location
Counties
Santa Cruz
Regions
Northern California, Southern California
Zip
95076
Parcel #
049-171-05
Notice of Exemption
Exempt Status
Statutory Exemption
Type, Section or Code
Statutory Exemptions. State code number: 15282(k)
Reasons for Exemption
Project scope involves the maintenance, repair, and restoration of existing pipelines and does not exceed one mile in length.