Carl Hamm piping solutions, used with equipment from Ritz Pumps SA, enable the equipment to draw down at depth. Whether in operation or inoperative, a mine must be dewatered. Either to keep the water at an acceptable and safe level or to bring this contaminated water to surface for treatment i.e. acid mine dewatering (AMD). Our ZSM system offers a safe, quick and flangeless installation solution to handle acid mine drainage (AMD).