Geotechnical Drilling for the HUM 169 Permanent Restoration Project


SCH Number
Public Agency
California Department of Transportation, District 1 (DOT)
Document Title
Geotechnical Drilling for the HUM 169 Permanent Restoration Project
Document Type
NOE - Notice of Exemption

Document Description
Caltrans proposes drilling six vertical borings from the paved lanes of Highway 169. The purpose of the geotechnical drilling is to characterize the subsurface soil conditions to determine the design parameters for the retaining walls. This is needed to support the HUM 169 Storm Restoration project in order to restore the roadway to pre 2017 storm damage conditions. All drilling will be within the Caltrans right of way.

Contact Information
Cassie Nichols
Lead/Public Agency
1656 Union Street
Eureka, CA 95501

Phone : (707) 492-0174


State Highways
HWY 169 Postmile 29.23 & 42.32

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Reasons for Exemption
Geotechnical drilling will not have a significant impact on the environment or to cultural or historic properties.


Final Document(s) [Approved_Certified draft environmental documents]
0H021 Geotech CE signed   PDF 211 K
Notice of Exemption
Signed 0H021 Geotech NOE   PDF 108 K

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