use 1/2 inch , 3/4 inch or 1 inch plate steel welded together at the top of the spillway and emergency spillway at least for 100 to 300 feet length to save the top part of the spillways. Reply
use 1/2 inch , 3/4 inch or 1 inch plate steel welded together at the top of the spillway and emergency spillway at least for 100 to 300 feet length to save the top part of the spillways.