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Deep Sea Diving: What You Should Know About Commercial Diving

In today’s world, people are now tapping one of the most valuable natural resources on the planet today in the ocean: Oil.

Although you will see offshore oil rigs equipped with huge cranes, helicopters, boats, and other state-of-the-art equipments, there will always be people who will always be needed in operations like this.

These people are deep sea divers or most commonly referred to as commercial divers. In this industry, deep sea diving is very much needed.

Deep sea divers function as underwater repairman, underwater welders, and also as part of search and recovery projects and salvage operations.

Commercial diving is a one of a kind job with extraordinary people. They risk their lives in order to get the job done. In fact, in deep sea diving or commercial diving, fatalities have been recorded as a result of the job themselves.

However, thanks to today’s training for commercial diving, accidents and fatalities are in fact rare. Dangerous as this job may be, you will see that the divers here are well trained. They just don’t know how to dive deep underwater, but they also know how to handle hazardous equipments and materials whenever they go deep underwater, such as explosives, cutting tools, and welding tools.

Also, they know how to deal with the dangers of diving deep underwater. For example, they are always cautious and attentive when it comes to detecting dangerous conditions, such as nitrogen narcosis and decompression sickness.

Another thing about commercial divers is that they are taught on how to deal with fatigue and other stressful situations.

You have to remember that aside from the already dangerous conditions they work in, they still do need to concentrate on the job they have to do underwater. For example, in offshore oil rigs, they will be required to weld pipelines underwater no matter what the conditions are. Even if the water is murky, they still need to work under these conditions.

Also, they will need to deal with underwater current which can be quite strong in some parts of the world.

However, dangerous as commercial diving may sound, the divers here are well-trained. They go to special schools to learn all about the aspects of commercial diving, and here they train rigorously. This is one of the main reasons why accidents nowadays are rare in commercial diving.

The great thing about commercial diving is the huge salary that divers here receive. In fact, you can earn as much as a hundred thousand dollars a year depending on your experience, work attitude and the quality of your jobs.

Also, commercial divers only work 9 to 10 months in a year. This is because commercial divers are subjected to intense environments which can encourage the build up of nitrogen bubbles in the body. The three months are used to get the body to get rid of the nitrogen bubbles which can cause decompression sickness.

However, the most fulfilling part about this job is not the pay, but the adventure. In deep sea diving, you will have a chance to dive and get paid to do so, as well as travel the world.

Also, the thrill and excitement here can never be experienced anywhere else in the world.

So, the next time you think about deep sea diving and you are considering a great and adventurous career in it, you might want to consider commercial diving.

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Deep Sea Diving: The Importance of Trimix

If you think that scuba diving is all about attaching an oxygen tank in your back and breathing through it with the use of a regulator, then you are wrong. There’s a lot more to scuba diving than that.

In fact, pure oxygen is never used in scuba diving, especially on deep sea diving.

In recreational diving, air is commonly used and not pure oxygen as most people assume. Air is basically composed of 70 percent nitrogen and 30 percent oxygen.

However, nitrox mixes are now being used a lot more in recreational diving as it decreases the chances of nitrogen sickness.

Although nitrox is still composed of nitrogen and oxygen, the oxygen concentration is a lot higher than air. This will reduce the risk of nitrogen sickness or bends, but it trades off depth. The more oxygen there is in your scuba diving tank, the shallower you are allowed to dive.

So, just why is pure oxygen not used in deep sea diving? This is because of oxygen toxicity. As you go deeper underwater, the pressure increases and oxygen toxicity becomes a factor. So, by reducing oxygen in the air you breathe, you will be able to go deeper.

However, by doing so, you will also increase the amount of nitrogen in the air you are breathing which can result in nitrogen narcosis when you go deeper as well as nitrogen sickness or the bends.

You may wonder how deep sea divers go deep underwater.

The answer to this question is trimix. Trimix is a special air mix designed for deep sea diving. Trimix is composed of oxygen, nitrogen and helium hence the term trimix.

Helium is used because it reduces the proportions of nitrogen and oxygen. This means that because the oxygen is reduced, it will enable the diver to dive deeper. And, because nitrogen is reduced, the diver will not experience nitrogen sickness or nitrogen narcosis.

The great thing about helium is that it can be breathable under pressure and it has very little narcotic effect. Because of helium’s low density, it reduces breathing resistance at depth or at pressure.

Also, helium does not enter slow tissues as readily as nitrogen, which causes the bends.

The only disadvantage of helium is that it conducts heat 5 times faster. Also, during descent, deep sea divers suffer from a condition called hyperbaric arthralgia.

If you become a deep sea diver, you will learn about the different variations of trimix. Some will be named trimix 10/70 and etc. If you come across with trimix 10/70, it will mean that the gas inside the scuba diving tank will be composed of 10 percent oxygen, 70 percent helium and 20 percent nitrogen.

This kind of mix is suitable for dives up to a hundred meters or 330 feet.

These are the things that you have to remember about trimix. As you can see, deep sea diving is not as simple as it may seem. There are so many aspects in deep sea diving that you have to be aware of and one of them is the gas used for breathing.

So, before you don your scuba diving gears and you plan on going very deep, keep in mind that deep sea diving is a specialty course that one needs to take before they undertake dives like this. Deep sea diving is different from recreational diving. It takes years of training and a lot of discipline.

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The Career Opportunities in Deep Sea Diving

If you are a recreational diver, and that you’ve fallen in love with the sport, then you might be thinking of becoming a professional diver.

Sure, you can become an instructor and teach scuba diving to other people, but it would be a lot more fulfilling if you try professional deep sea diving or what is commonly referred to as commercial diving.

Commercial diving is not just about knowing how to dive in very deep waters, but it will also require you to become familiar with special tools that are used in commercial diving.

Also, there are a lot of specialty courses in deep sea diving which means that there will be a lot of career opportunities in this field.

Commercial diving is very different from recreational diving. Here, you will be able to use your skills on diving to do all sorts of things underwater. For example, if the hull of a boat needs to be cleaned, commercial divers are usually hired. They are cheaper than dry docking a ship and they also tend to get the job done.

Another great career in commercial diving is by becoming an underwater welder specialist. Commercial divers with this kind of specialization are very much in demand, especially companies that requires underwater construction, such as offshore oil rig platforms.

Also, salvaging operation projects need welders to cut through metal. Shipping companies are also in need of such commercial divers with welding specialization. They will need them to make repairs on the ship, such as the propeller and the hull.

Another specialty that is highly in demand is the rigging specialist. You have to remember that commercial diving is not just about diving but it’s also about knowing how to work the key components in the industry. A rigging specialist is responsible for crane operations and also for advanced rigging procedures.

Although most people see rigging on topside, you have to remember that there are also riggings underwater that needs to be done by commercial divers. By taking the rigging specialty course, you will be able to learn about the techniques on rigging topside as well as underwater.

Also, underwater burning specialists are very much in demand in the world of commercial diving. Here, you will be required for underwater burning and cutting.

Commercial diving schools offer this kind of specialty course to their students and they will teach you all about equipment setup and repair, the techniques for cutting and burning underwater, as well as the use of exothermic and tubular rods.

Of course, anywhere where commercial diving exists, accidents are very much possible. Although diving accidents are rare, it is still important to have dive medical technicians as part of the crew. Dive medical technicians are knowledgeable about the effects of prolonged deep dives, such as decompression sickness, extreme fatigue, and also nitrogen narcosis.

Dive medical technicians specialize in diving related incidents and ailments. They will know what to do in case you experience decompression sickness and they have the skills to operate hyperbaric chambers.

You also need to consider that commercial divers are required to work underwater everyday. In fact, they often stay under water for up to 30 days and can even dive up to 1,200 feet.

Also, they are called upon on emergencies, such as broken underwater pipelines and will be required to work under extreme weather conditions. And, because they often work with heavy equipments, it is inevitable that injuries may occur.

With dive medical technicians, you can be sure that dives will be a lot safer and more prepared.

As you can see, there are so many careers in the world of deep sea diving or commercial diving. By choosing the field that appeals to you most, you can be sure that you will have a fulfilling career in the world of commercial diving.

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