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Danger and Safety solution for underwater welding

Danger and Safety solution for underwater welding

  1. Electric shock is one of the major risks for underwater welding because water poses little resistance to electricity, and if left ungrounded electric current will flow freely through water like a hot knife through butter. A welder has a risk of electric shock especially during wet welding and splash welding (more risk than wet welding) because their entire atmosphere is covered with water only.
  2. Welder must wear a rubber suit and gloves, gloves gauntlets must be attached to the wrist so no slag floats in.
  3. Cables must be waterproof and insulated. At deep water level cable, strain reliever must be incorporated.
  4. Welding equipment taken by the welder must be suitable to marine environment. The equipment should be properly insulate and the waterproof.  Direct current, not Alternation current equipment should be used to power welding equipments.
  5. Insulated Waterproof electrode must be used by the welder. Be careful while handling any metallic part, it should be kept away from the electrode.
  6. A sound communication is required between welder and surface operator, to monitor the current supply.
  7. Risk of decompression sickness (divers bends) is another risk to a welder’s health, as they work hundreds of feet underwater, they undergopressure changes that can cause harmful effects on their body on their way up.  Due to breathing of hazardous gases, when concentration of dissolved inert gases in the body increases than the equilibrium state the problem occurs.
  8. Welder must use a pressurized cabin called diving bell, it will maintain appropriate pressure.
  9. For this decompression procedure must be carefully monitored by using diving meter or computer.
  10. Diver welder should avoid ascending quickly after a deep dive, continuous underwater dives in a few hours’ span, flying quickly after diving, becoming dehydrated and drinking alcohol.
  11. Fault in breathing equipment such as mask, hoses or oxygen tank can create drowning. Safety measure taken during drowning is slow down your breathing as much as possible. If your air supply is cut off through the umbilicals, you may switch to your emergency SCUBA supply tank. Check your helmet for malfunctions. If you’re far below the surface, ascend at a safe rate
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