Streambed Alteration Agreement (1600-2006-0278-R5) Regarding the Spinks Debris Basin - Ramp and Berm Restoration Project
Summary
SCH Number
2006108017
Public Agency
Fish & Game #5
Document Title
Streambed Alteration Agreement (1600-2006-0278-R5) Regarding the Spinks Debris Basin - Ramp and Berm Restoration Project
Document Type
NOE - Notice of Exemption
Received
Posted
10/2/2006
Document Description
The operator proposes to alter the streambed and banks by repairing eroded sections of the existing access ramp to allow access of trucks and equipment into the basin bottom necessary for the continued maintenance of the basin. Spinks Debris Basin (basin) is unusual in that the basin is divided and surrounded by its access road. Therefore, there are numerous drain lines that allow water and debris to enter the basin underneath the roadbed. Approximately 1,320 sq. ft. (0.03 acre) of existing structures will be repaired and restored back to pre-storm conditions. Approximately 276 cubic yards of native fill materials and 260 tons of derrick stones will be used for this entire project. The project will also restore and repair a portion of the existing berm that was washed out during the last storm season. The berm was used to divert storm flows entering the north end of the basin from the side canyon to drain into the existing culverts underneath the access road. Restoring the berm is also necessary to minimize the amount of sediment/debris that will otherwise enter that northern portion of the basin and bury the existing invert access ramp, used to access the north section of the debris basin, with sediment. No vegetation will be removed at any time and work will be performed outside of the bird nesting season.
SAA# 1600-2006-0278-R5
Contact Information
Name
Naeem Siddiqui
Agency Name
Department of Fish and Game, Region 5
Contact Types
Lead/Public Agency
Phone
Location
Cities
Bradbury
Counties
Los Angeles
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Section 15301
Reasons for Exemption
The project is to repair an existing maintenance access road which has severely eroded in last storm events. The project will have no significant impacts on the environment.
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