Roadway Storm Damage Repair and Edge Drain Installation
Summary
SCH Number
2011018040
Public Agency
Regional Water Quality Control Board, Region 1 (North Coast), Santa Rosa
Document Title
Roadway Storm Damage Repair and Edge Drain Installation
Document Type
NOE - Notice of Exemption
Received
Posted
1/10/2011
Document Description
Large winter storms in 2005-06 resulted in a slide above Alderpoint Road that blocked the inboard drainage ditch. The slide caused water to flow across the road, which saturated the fill prism and caused the road shoulder to slip. The project involves construction of a subsurface edge drain along the uphill side of the road and reconstruction of the damaged roadway. Construction of the edge drain involves excavation of a 350-foot long by 2-foot wide by 4-foot deep trench along the uphill side of the road and installation of 350 linear feet of 8-inch diameter perforated plastic pipe in the trench along with filter fabric and permeable backfill material.
Contact Information
Name
Dean Prat
Agency Name
Regional Water Quality Control Board, Region 1 (North Coast), Sa
Contact Types
Lead/Public Agency
Phone
Location
Counties
Humboldt
Other Location Info
near Alderpoint
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
15301 - Class 1
Reasons for Exemption
The project consists of repair of the existing roadway and culvert.
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