Library Park Seawall Replacement (Lake or Streambed Alteration Agreement No. 1600- 2019-0273-R2)

Summary

SCH Number
2019120047
Public Agency
California Department of Fish and Wildlife, North Central Region 2 (CDFW)
Document Title
Library Park Seawall Replacement (Lake or Streambed Alteration Agreement No. 1600- 2019-0273-R2)
Document Type
NOE - Notice of Exemption
Received
Posted
12/2/2019
Document Description
The project is limited to the installation of a new sheet pile seawall (approximately 550 feet long) in front of the existing damaged concrete and masonry seawall which failed during the 2017 storms due to undermining and erosion. The new sheet piles will be driven as close to the existing seawall as practical and the void between the existing wall and new wall will be backfilled. The wall will have a concrete cap approximately two feet above the 100-year flood level to provide protection to the park facilities from wave action. It is anticipated that the sheet pile will be installed using vibratory hammers on the park side of the wall supported by excavators or cranes. Maximum pile depth below lakebed will be 25 feet. The project also includes the replacement of a set of concrete stairs to provide swimmer access to the beach and lake. The concrete sidewalk adjacent to the seawall on the park side will also be replaced.

Contact Information

Name
Kelsey Vella
Agency Name
Department of Fish and Wildlife
Contact Types
Lead/Public Agency

Location

Cities
Lakeport
Counties
Lake
Other Location Info
The project is located at Library Park between the First Street Boat Ramp and the Third Street Boat Ram

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
15302, Class 4
Reasons for Exemption
This project involves reconstruction of an existing seawall where the new structure will be located on the same site as the structure replaced and will have substantially the same purpose and capacity as the structure replaced.

Attachments

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