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Project: Klamath Glen Levee Geotechnical Evaluation

Description: Located approximately eight miles upstream from the mouth of the Klamath River, the project consists of about 8,900 linear feet of revetted levee forming a horseshoe shape around the community known as Klamath Glen. The height of the levee varies from approximately 30 feet to 50 feet above the inboard side. The investigation will produce a geotechnical analysis of the existing Klamath Glen levee along the Klamath River by a series of borings along the length of the levee at intervals of not less than 1000 feet. The borings would be to a depth of three times the levee height which converts to a depth of about 90 feet. Analysis of this information would be conducted along with a review of existing information from the Operation and Maintenance Manual prepared by the San Francisco District of the U.S. Army Corps of Engineers. The developed information will be essential to determining the compatibility with the design criteria as set forth in 44 CFR Section 65.10.

Reference Number: 3860-P84-104

Implemented By: Del Norte County

Objective: A levee geotechnical evaluation report is a primary document needed to fulfill the requirements of a Provisional Accredited Levee Agreement with FEMA and is also necessary to achieve levee certification. A geotechnical report will confirm that the levee system can contain the base water surface profile or identify at what level elevation the levee is likely to fail. It can also identify areas for improvement. The objective of this type of project is to produce such a report for each flood control structure evaluated.

Type: Monitoring, Research/Planning (including Science)

Total Cost: $350,309.61

Project Status: Complete and Fully Paid

On Time?: Yes    Within Scope?: Yes    Within Budget?: Yes

Estimated Completion: 1/31/2012    Actual Completion: 1/31/2012

Associated Counties: Del Norte

Located In Disadvantaged Community: Yes

Contribution SourcesContribution DateContribution Amount
Local Contribution2/5/2014$34,665.00
Prop. 84, Local Levee Assistance Program6/30/2008$315,644.61

Project MetricMetric TopicQuantityUnit
MonitoringLevee Evaluation/Inspection  
Research/Planning (including Science)Emergency Response  


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