1. Dredges & Barges

2. Dredges

3.  Used in different mining applications  Sand & gravel are most commonly dredged materials  Other minerals also mined with dredges

4. Dredge Types  Suction pumps  With or without cutter heads  Clamshells & draglines  Bucket ladders

6. Mining Methods  Suction material as slurry into pipe beneath water  Slurry passes through pipe, separated from water & transported to shore by various methods

7. Mining Methods  Clamshells & draglines scoop material & load on belt or barge

8. Dredge Hazards  Drowning  Slips & falls  Electrocution  High pressure pumps & pipes  Welding & cutting  Materials handling  Pinch points

9. Remove Trip Hazards

10. Electrical Hazards Around Water

11. Material Loading

12.  Especially careful when loading materials.  Never go under suspended loads

13. Other Hazards  Cables  High winds  Lightning  Fog  Excessive noise

14. Hearing Protection Diesel Engines

15. PPE  Life jackets  Steel-toed boots with slip- resistant soles  Safety glasses or goggles  Hard hat

16. Stored & Maintained

17. Hardhats

18.  Required for everyone on board  If you don’t have it on, it’s unlikely you will go get it when needed

19. Drowning  Account for majority of dredge fatalities

20. Life Jackets

21.  Wear at all times while working on or around small boats, barges, dredges & tugboats  Jackets that keep head above water preferred

22. Slip & Trip Hazards  many slip & trip hazards  Most serious is being caught between barge, dock or processing plant

23. Trip Hazards  Oil, grease, water, ice, loose sand & gravel  Cables & unsecured lines  Good housekeeping reduces danger

24. Electricity & Water  Careful around electrical installations on dredges  Provide & maintain insulation & grounding  Lockout

25. Power Cables  Floating cables & power cables carried on pipelines properly insulated & protected  Mechanical bonding & grounding maintained

26. Electrical Safety  Dredges with on board power plants differ from those with shore power because vessels’ hull used as neutral or ground return  Employee unfamiliar with marine electrical circuitry not allowed to work equipment

27. Light Bulbs Guarded

28. Electrical Safety  Weatherproof lamp sockets  Temporary lights guarded, with heavy duty cords & grounded

29. Pipes & Pumps  High pressure pipes & pumps isolated & bled before any work performed  System secured, blinded, locked & tagged until work completed

30. Welding & Cutting  Pay particular attention to surroundings  Welded objects tested to determine if water, flammable liquids or vapors present

31. Moving Heavy Objects

32.  Use hoists or get help to handle heavy objects  Rigging contains pinch points & done by experienced people

33. Wire Rope

34.  Broken cables can whip or backlash violently

35. Inspect Wire Rope

37. Guard Drum & Sheave

38. Dredge Fires

39.  Extremely dangerous  Good housekeeping  Keep oil, grease, waste rags, flammables & combustibles in covered containers away from ignition sources

40. Fire Prevention  Store paints, thinners & solvents in fire cabinets  Check for fire after welding & cutting

41. Fire Extinguishers  Inspected & readily available.  Trained in fire suppression techniques

42. Weather  High winds & lightning  Stop work & go ashore  Create unstable work platforms  Fog & visibility

43. Wear Life Jacket

44. Rescue Equipment Maintained & Accessible

45. Working Alone

46.  Not work alone in hazardous areas unless they can communicate, be seen or heard by others

47. Barges

48. Hazards  Drowning  Falling overboard  Slips & falls  Crushed between barge & dredge, dock or floating plant

49. PPE  Life jackets  Steel-toed boots with slip resistant soles  Safety glasses or goggles  Hardhat

50. Slips & Falls

51. Trips & Falls

52. Cables  Pay attention around lines & cables under tension – they can break

53. Loading Hazards  Slips & falls  Rope burns from being caught in lines  Crushed between barge & dredge  Drowning  Caught in conveyor

54. Unloading hazards  Unloading equipment has pinch points & blind spots  Stay out of machine swing radius  Falling material

55. Tow Boats

56. Tow Boat Hazards  Slips & falls  Rope burns from being caught in lines  Crushed between boat & barge  Drowning  Excessive noise