Page 12 - 42 SAYURUSARA
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10 Sayurusara 2021 June
Diving and Salvage Unit (E) carried out a record-breaking deep dive showing
the experience and professionalism of Sri Lanka Navy Divers. Command Diving
Officer (E) Cdr (CDO) HBNH Balasooriya and AB (DV) WWNC Sandaruwan have
dived to the depth of 242 feet sea water (fsw) on 14th March 2021. This dive is
believed to be the deepest dive by Sri Lanka Navy divers to date. The dive
location off Elephant Island had 77m of charted depth and marked the
North Edge at the Trincomalee canyon. The day the dive took place
was sunny with calm winds & ideal Barometers reading. The
dive was conducted with safety precautions and under the
conditions of US Navy diving manual revision 7.
Following are the excerpts from an interview
conducted with Command Diving Officer
(E), Cdr (CDO) HBNH Balasooriya.
Can you explain your experience in the field
of diving?
I have actively engaged in diving duties for around bottom
08 years and I have engaged in many major and time due
minor diving operations during this period. to unforeseen
circumstances.
What is a deep dive and how will it be
conducted? As you mentioned early,
this system is used very
Generally, any dive deeper than 200 fsw is rarely for deep diving. Can you
considered as a deep dive and many diving explain the reason behind it?
systems can be utilized for deep diving operations
such as saturation diving system, semi-closed It is well understood that breathing compress
circuit SCUBA using mix gas, surface supply air at greater depth beyond 180 fsw can cause
diving using mix gas, open circuit SCUBA using irreversible nitrogen narcosis and Central Nerve
mix gas and very rarely open-circuit SCUBA System (CNS) oxygen toxicity which are very
using compress air. dangerous for diver underwater.
Which diving system did you use for the Have you taken any remedial measures to
recorded dive of 242 fsw?
counter the above?
Well,weusedopencircuitSCUBAdivingequipment Yes, generally the effects of nitrogen
with compress air and also an open circuit SCUBA narcosis and CNS oxygen toxicity depend on the
filled with 100% oxygen was kept on standby at individual's adaptability of the human body to be
the depth of 30 fsw to utilize in case of extended
Diving and Salvage Unit (E) carried out a record-breaking deep dive showing
the experience and professionalism of Sri Lanka Navy Divers. Command Diving
Officer (E) Cdr (CDO) HBNH Balasooriya and AB (DV) WWNC Sandaruwan have
dived to the depth of 242 feet sea water (fsw) on 14th March 2021. This dive is
believed to be the deepest dive by Sri Lanka Navy divers to date. The dive
location off Elephant Island had 77m of charted depth and marked the
North Edge at the Trincomalee canyon. The day the dive took place
was sunny with calm winds & ideal Barometers reading. The
dive was conducted with safety precautions and under the
conditions of US Navy diving manual revision 7.
Following are the excerpts from an interview
conducted with Command Diving Officer
(E), Cdr (CDO) HBNH Balasooriya.
Can you explain your experience in the field
of diving?
I have actively engaged in diving duties for around bottom
08 years and I have engaged in many major and time due
minor diving operations during this period. to unforeseen
circumstances.
What is a deep dive and how will it be
conducted? As you mentioned early,
this system is used very
Generally, any dive deeper than 200 fsw is rarely for deep diving. Can you
considered as a deep dive and many diving explain the reason behind it?
systems can be utilized for deep diving operations
such as saturation diving system, semi-closed It is well understood that breathing compress
circuit SCUBA using mix gas, surface supply air at greater depth beyond 180 fsw can cause
diving using mix gas, open circuit SCUBA using irreversible nitrogen narcosis and Central Nerve
mix gas and very rarely open-circuit SCUBA System (CNS) oxygen toxicity which are very
using compress air. dangerous for diver underwater.
Which diving system did you use for the Have you taken any remedial measures to
recorded dive of 242 fsw?
counter the above?
Well,weusedopencircuitSCUBAdivingequipment Yes, generally the effects of nitrogen
with compress air and also an open circuit SCUBA narcosis and CNS oxygen toxicity depend on the
filled with 100% oxygen was kept on standby at individual's adaptability of the human body to be
the depth of 30 fsw to utilize in case of extended
