2017 Storm Damage, Bell Springs Road, CR 324, M.P. 3.50 Project

Summary

SCH Number
2020040337
Lead Agency
Regional Water Quality Control Board, Region 1 - North Coast, Santa Rosa (California Regional Water Quality Control Board, North Coast Region 1)
Document Title
2017 Storm Damage, Bell Springs Road, CR 324, M.P. 3.50 Project
Document Type
NOE - Notice of Exemption
Received
Posted
4/27/2020
Project Applicant
Mendocino County

Document Description
The Project will repair portions of Bell Springs Road damaged during the heavy rains experienced in the winter of 2017. Heavy storms saturated the road surface and embankment resulting in a slip-out that will likely continue to erode. The Project will install a soldier pile wall located along the outboard edge of the western road approaches that would not impact the watercourse. A combination of wall spacers and under drains will prevent water from accumulating behind the wall and saturating road base and surrounding earthen material. The existing culvert will be removed and replaced with a culvert sized to accommodate the 100-year flood flow. The culvert length will remain the same.

Contact Information
Ryan Bey
North Coast Regional Water Quality Control Board
5550 Skylane Boulevard
Santa Rosa, CA 95403

Phone : (707) 576-2679

Location

Cities
Santa Rosa
Counties
Sonoma
Cross Streets
Bell Springs Road, CR 324, M.P 3.50, Laytonville, CA

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Section 15301 (c) and (d) Existing Facilities
Reasons for Exemption
The project involves the upgrading and replacement of existing road drainage structures, including a watercourse crossing, damaged during heavy rainfall. At the watercourse crossing, the existing culvert will be removed and replaced with a culvert sized to accommodate the 100- year flood flow. The project will result in negligible or no expansion of use beyond what existed. The project is intended to restore the road and public safety.

Attachments

Notice of Exemption
2020040337_2017 Storm Damage CR324, M   PDF 707 K

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