Zone 7 Arroyo de la Laguna, Arroyo Mocho and Alamo Canal PL 84-99
Alameda County, CA
The Alamo Canal, Arroyo Mocho Canal and Arroyo de la Laguna Canal suffered significant channel bank erosion and bank instability as a result of high storm flows. Thirty-seven locations were identified for repair ranging from 30 to 2,250 feet in length. Repairs consisted of remodeling of disturbed soil and construction of stone protection revetment. CTS performed compaction testing above riprap at levee top, using both nuclear gauge testing and sand cone testing.