The MSHA says the foreman was priming the main suction pump on a dredge when a two-inch coupling on the waterjet pipe failed, knocking the victim into the water. The victim was not wearing a life preserver.
Wear a life preserver where there is a risk of falling into the water.
Identify all possible hazards and ensure appropriate controls are in place to protect miners before beginning work.
Provide swimming training for everyone that works around water.