Images from a video where US Navy MH53 large helicopters are doing emergency drops of material to mitigate the erosion of the destroyed spillway. Hurricane Maria caused the dam to overflow into its designed overflow emergency spillway.
The photos reveal the extent of the erosion and the movement of sections of the back section of the earthen dam from the destabilizing erosion after the concrete spillway fell apart. Emergency Repair work is being coordinated by on-site US Army Corps of Engineers.
Youtube of repairwork: https://www.youtube.com/watch?v=l9IZtnZ-4-I
https://www.youtube.com/watch?v=l9IZtnZ-4-I Navy MH53's placing barriers down for emergency stop-gap repair to the broken and eroded spillway at Guajataca Dam in Puerto Rico.
Concrete drop zone to enact repairs to mitigate further erosion of the backside overflow spillway.
Navy MH53 lifting new concrete barrier to drop into erosion area of spillway at Guajataca Dam in Puerto Rico. Rows of concrete barriers set up on the road for sequential lift-drop cycles.
