Page 13 - 42 SAYURUSARA
P. 13
Sayurusara 2021 June 11
exposed is significant. It is very clear diving and salvage
to high unit of SLN is the only reputed organization in
partial Sri Lanka that remains standby for any type of
pressure of underwater rescue, underwater salvage and
Nitrogen and other Diving operations. But the capabilities of
Oxygen. the Diving and Salvage Unit vastly restricted with
the depth limitations, so I planned to do this dive
I and the buddy dive as an experiment to build confidence to attend
were tested for oxygen deep water rescue or salvage work. Besides,
tolerance up to 2.8 bars Diving is a progressive field and SLN’s Diving
partial pressure of oxygen need to evolve and progress in to fields within
inside the Recompression our purview.
Chamber (RCC), whereas we
were exposed only to a maximum What is your proposal to overcome the depth
of 1.8 bars partial pressure of limitation faced by the divers due to the use
oxygen during the in-water dive. of open circuit SCUBA with compress air?
We can conduct compress air deep-diving
only for a very short period of time. Therefore it
is recommended to acquire capabilities of trimix
(He, N2, O2) SCUBA diving for Sri Lanka Navy.
Can you explain me how you felt at the depth
of 242 fsw?
Furthermore, we completed a few RCC I felt that it was a huge responsibility
dive up to the depth of 216 fsw with extended that lies on my shoulder about the safety of the
bottom time to prove the adaptability for high buddy diver and myself as it was an exceptional
partial pressure of Nitrogen. exposure dive. But I was very comfortable
underwater, could not feel any difference than a
As a diver I have a question to get clarified dive up to 180fsw, further buddy diver had the
on the risk of Decompression Sickness (DCS) same experience.
during this dive?
Finally, what is your advie for junior divers
Yes, it is an exceptional exposure dive and it actively engaged in diving?
is very clear if the divers are well experienced,
environmental conditions are favourable, we Simply, I do not recommend attending an
can avoid the risk of DCS. The only thing that exceptional exposure dive and if you are willing to
we have to concern about is conducting the dive explore the deep sea, do it scientifically. Further,
according to the diving table completing standard I strongly recommend the divers should be non-
decompression stops. Therefore during this dive, smokers and they should be physically and
we spent extended decompression stops. mentally fit for diving. Also, there should be an
alternative plan in every step of the dive and the
According to the points we discussed it is buddy divers should have a good understanding
understood that the dive you conducted was of the alternative plan.
an exceptional exposure dive and involved a
certain amount of risk. Can you clarify why
this dive was conducted? Lieutenant (CDO)
SAS MAHEEPALA
Sri Lanka is an island nation and the sea NRX 3024
around the country has a high gradient except for P460
the Jaffna lagoon in the northern peninsula. The
country has a deep-sea area within the territorial
waters and the demand for deep diving operation
exposed is significant. It is very clear diving and salvage
to high unit of SLN is the only reputed organization in
partial Sri Lanka that remains standby for any type of
pressure of underwater rescue, underwater salvage and
Nitrogen and other Diving operations. But the capabilities of
Oxygen. the Diving and Salvage Unit vastly restricted with
the depth limitations, so I planned to do this dive
I and the buddy dive as an experiment to build confidence to attend
were tested for oxygen deep water rescue or salvage work. Besides,
tolerance up to 2.8 bars Diving is a progressive field and SLN’s Diving
partial pressure of oxygen need to evolve and progress in to fields within
inside the Recompression our purview.
Chamber (RCC), whereas we
were exposed only to a maximum What is your proposal to overcome the depth
of 1.8 bars partial pressure of limitation faced by the divers due to the use
oxygen during the in-water dive. of open circuit SCUBA with compress air?
We can conduct compress air deep-diving
only for a very short period of time. Therefore it
is recommended to acquire capabilities of trimix
(He, N2, O2) SCUBA diving for Sri Lanka Navy.
Can you explain me how you felt at the depth
of 242 fsw?
Furthermore, we completed a few RCC I felt that it was a huge responsibility
dive up to the depth of 216 fsw with extended that lies on my shoulder about the safety of the
bottom time to prove the adaptability for high buddy diver and myself as it was an exceptional
partial pressure of Nitrogen. exposure dive. But I was very comfortable
underwater, could not feel any difference than a
As a diver I have a question to get clarified dive up to 180fsw, further buddy diver had the
on the risk of Decompression Sickness (DCS) same experience.
during this dive?
Finally, what is your advie for junior divers
Yes, it is an exceptional exposure dive and it actively engaged in diving?
is very clear if the divers are well experienced,
environmental conditions are favourable, we Simply, I do not recommend attending an
can avoid the risk of DCS. The only thing that exceptional exposure dive and if you are willing to
we have to concern about is conducting the dive explore the deep sea, do it scientifically. Further,
according to the diving table completing standard I strongly recommend the divers should be non-
decompression stops. Therefore during this dive, smokers and they should be physically and
we spent extended decompression stops. mentally fit for diving. Also, there should be an
alternative plan in every step of the dive and the
According to the points we discussed it is buddy divers should have a good understanding
understood that the dive you conducted was of the alternative plan.
an exceptional exposure dive and involved a
certain amount of risk. Can you clarify why
this dive was conducted? Lieutenant (CDO)
SAS MAHEEPALA
Sri Lanka is an island nation and the sea NRX 3024
around the country has a high gradient except for P460
the Jaffna lagoon in the northern peninsula. The
country has a deep-sea area within the territorial
waters and the demand for deep diving operation
