Human body can bear a lot of things. However, plunging under deep sea and staying there for work and then coming back to the surface again and again is not something the human body can bear. It can make the person doing this get decompression sickness which is a serious condition. Therefore, whenever someone is going to organize some plunging under deep sea adventures they have to take this fact into consideration.
As a result of considering the possibility of someone getting decompression sickness there are now specially made diving structures with even special devices such as the bell scrubber, which helps to keep the divers safe underwater and also when they come back to the surface. Keeping this main detail in your mind you should consider about all that you will need to keep deep sea adventures safe.
Considering the Task at Hand
You should first start the safety check by considering the task at hand. If this is something that does only take one trip down under the deep sea you do not have to worry about this pressure change all the time. However, if the job at hand is something that takes days you should definitely go with a diving structure which can keep the divers safe throughout their work.
Getting All that is Necessary for the Job
Once you have come to a decision what kind of a task you are heading to you have to get all the necessary equipment for the job. If this is a work of days you are going to need a good modular saturation diving system to keep all the professionals safe and help them to keep working as they are supposed to. There should also be, of course, a supply of all the other equipment you need to work underwater and living in a decompressed environment such as gear for work underwater, food, drinks, etc.
Only Enlisting Professionals for the Work
While you are getting all the equipment ready for the job you have to also get the group of people who are going to work ready too. If you want the job to be done properly and to be done without causing any harm to the crew members you have to only enlist professional divers who have experience in this line of work.
As long as you remember that the safety of everyone taking part in an expedition like this depends on getting the right quality equipment and hiring only professionals for the job, your task will be completed without problems.