Stanpac 3 (SP3) In-Line Inspections Examinations and Repairs- Dig Site 6 (project)
Summary
SCH Number
2009118179
Public Agency
Regional Water Quality Control Board, Region 2 (San Francisco Bay), Oakland
Document Title
Stanpac 3 (SP3) In-Line Inspections Examinations and Repairs- Dig Site 6 (project)
Document Type
NOE - Notice of Exemption
Received
Posted
11/23/2009
Document Description
United States Department of Transportation (DOT) Resource and Special Programs Administration's Office of Pipeline Safety to complete assessments and repairs to their pipelines. The SP3 pipeline transports natual gas between the Delta Fair Station in Antioch and the San Pablo Station in San Pablo. The pipeline varies in diameter from 20 inches to 26 inches, with the diameter at the project site being 24 inches.
In order to assess and repair the anomaly, a section of the pipeline will be exposed (potholed) to identify the extent of the anomaly. The project will involve the excavation of a trench with a maximum length of 50 feet, a maximum width of 20 feet, and an approximate depth of 12 feet. These dimensions will allow the anomaly to be completely exposed and repaired as needed. The excavation area will be located within a 100-foot by 100-foot work area, which will be disturbed by equipment movement and sidecast spoils. Activities are expected to take approximately 10 days to complete.
Contact Information
Name
Katie Hart
Agency Name
Regional Water Quality Control Board, Region 2 (San Francisco Ba
Contact Types
Lead/Public Agency
Phone
Location
Counties
Contra Costa
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
15301(b)
Reasons for Exemption
Article 19 Section 15301(b) of the California Environmental Quality Act provides the criteria for meeting a categorical exemption for maintenance and repair activities associated with existing natural gas pipelines. The proposed project qualifies for all of the criteria specified in Section 15301(b). The enclosed memorandum provides a discussion of the criteria.
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