Here, a large excavator is placing armor stone around the bridge abutment to prevent washouts during break-up. The worker in the boat will take periodic soundings to help direct placement of the material in over 20 feet of water.
Here, a large excavator is placing armor stone around the bridge abutment to prevent washouts during break-up. The worker in the boat will take periodic soundings to help direct placement of the material in over 20 feet of water. |