The successful incumbent will be responsible to assist the Supervisor to isolate the Sedimentation Tanks by opening and closing manual valves and mounting drop gates. Further assisting in general cleaning of MOL plant, sampling kiosks, Poly plant, Silica plant Water Recovery and Upwash plant, Chlorine rooms, Ferric Plants, toilets, Change Rooms and Eating facilities. Install/Operate sludge pumps/conveyors to remove sludge from the Sedimentation Tanks.