Caltrans 2 (Redding)
(California Department of Transportation, District 2)
Trinity 299 Slip Out
NOE - Notice of Exemption
The work to reconstruct the damaged embankment requires the construction of a 110 foot soldier pile wall from the top of the roadway. The soldier pile wall consists of 13 H-piles with length ranging from 60-75 feet and timber lagging. These piles are eight feet apart. The piles are placed within pre-drilled 30-inch diameter holes. These holes are located along the shoulder, 12 feet from edge of travel way (ETW). Concrete slurry will be poured into the holes to secure the piles. The soldier pile wall will be tapered at both ends to the embankment.
The work to repair the damaged embankment is limited to the affected area where the slip-out has occurred. Studies were performed and no environmental impacts will occur as a result of this reconstruction project.