Interstate 805 South Geotechnical Studies Project
Summary
SCH Number
2014058031
Public Agency
California Department of Fish and Wildlife, Region 5
(CDFW)
Document Title
Interstate 805 South Geotechnical Studies Project
Document Type
NOE - Notice of Exemption
Received
Posted
5/5/2014
Document Description
SAA #1600-2014-0059-R5 - The Applicant proposes to drill fifteen 4.25 inch diameter mud-rotarty (MR) borings to be drilled beneath the I-805 Bridge in the channel of the Sweetwater River using a self-contained mud circuit consisting of a mud tub at the surface and a mud pump, and a drill bit approximately 4.25 inches in diameter, which will be cooled and lubricated by drilling mud. The project will drill approximately 150 feet below the surface of the lagoon soil surface. The drilling mud will be pumped through the hollow bit, and recovered using in 55 gallon drums, and transported off-site. The hole will be allowed to collapse in on itself as the drill rod is retracted.
Contact Information
Name
Tim Dillingham
Agency Name
California Department of Fish and Wildlife, Region 5
Contact Types
Lead/Public Agency
Phone
Location
Cities
San Diego
Counties
San Diego
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
15306 - Class 6
Reasons for Exemption
The geotechnical investigation is for the purpose of information gathering for the design of foundations for the proposed bridge expansion overt eh Sweetwater River.
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.