Regulation about Life Raft? Carrying Capacity and Location on your ship? Thing to be carried in Life Raft?
Launching Of Life Raft by all method (1) manually (2) Davit (3) auto?
Marking on Life Raft?
Safety on Life Raft?
Maintenance on Life raft?
Why only CO2
use for inflation of life raft why not any other?
What is H.R.U and how it will work?
Difference between fwd and aft life raft?
Breaking strength of H.R.U, Weak link and painter?
There are mainly two type of Life raft
(1) Inflatable (2) Rigid
SOLAS REGULATION:
-Inflatable life raft contain inflation cylinder which contain CO2 Gas.
CO2 gas containing small amount percentage of NITROGEN gas to act as an Anti-freeze, also CO2 is NON-FLAMMABLE and also weight is more than the AIR hence add buoyancy to
raft. Freezing point of CO is -80 c, so it can inflate life raft even at -150 c.
-It shall be capable of being inflated by ONE person.
-NO life raft shall be Approved which has a carrying capacity of less than 6 person.
-The total mass of the life raft with its container and its equipment shall not become more than 180 kg
-Inflation shall be completed within a period of 1 min at an ambient temp. of between 180 c to 200 c
And within a period of 3 min at an ambient temp. of -300 c.
-A life raft shall be constructed so as to be capable of withstanding exposure for 30 days afloat in any sea condition.
-A life raft shall be constructed so that when, packed in its container
-Pressure test of the air bottles shall be carried out by an approved service company. If an air bottle shows any sign of corrosion or if it has been exposed to damage or overheating it shall be replaced instantly.
Launching Of Life Raft by all method (1) manually (2) Davit (3) auto?
Marking on Life Raft?
Safety on Life Raft?
Maintenance on Life raft?
Why only CO2
use for inflation of life raft why not any other?
What is H.R.U and how it will work?
Difference between fwd and aft life raft?
Breaking strength of H.R.U, Weak link and painter?
There are mainly two type of Life raft
(1) Inflatable (2) Rigid
SOLAS REGULATION:
-Inflatable life raft contain inflation cylinder which contain CO2 Gas.
CO2 gas containing small amount percentage of NITROGEN gas to act as an Anti-freeze, also CO2 is NON-FLAMMABLE and also weight is more than the AIR hence add buoyancy to
raft. Freezing point of CO is -80 c, so it can inflate life raft even at -150 c.
-It shall be capable of being inflated by ONE person.
-NO life raft shall be Approved which has a carrying capacity of less than 6 person.
-The total mass of the life raft with its container and its equipment shall not become more than 180 kg
-Inflation shall be completed within a period of 1 min at an ambient temp. of between 180 c to 200 c
And within a period of 3 min at an ambient temp. of -300 c.
-A life raft shall be constructed so as to be capable of withstanding exposure for 30 days afloat in any sea condition.
-A life raft shall be constructed so that when, packed in its container
-Pressure test of the air bottles shall be carried out by an approved service company. If an air bottle shows any sign of corrosion or if it has been exposed to damage or overheating it shall be replaced instantly.
-it is dropped into the water from a height of 18 meter the life raft and its equipment are not damaged.
-A life raft, when afloat, shall be capable of withstanding the number of jumps onto it equal to the
number of members of its complement, from a height of at least 4.5 m above its floor.
-A life raft and its towing patch shall be so constructed as to enable the life raft to be towed at a
speed of 3 knots in calm water when it is loaded with its full complement and equipment and one
of its sea anchors is streamed
-Life raft shall be provide INSULATION against HEAT and COLD by means of either TWO layer of
material separated by an AIR GAP. Shall be provided to prevent accumulation of water in the AIR
GAP.
-It shall be provided with means to mount a Survival Craft RADAR TRANSPONDER at a height of at
least ONE meter above the SEA.
-Efficient PAINTER of length equal to not less than 15 m.
.
A visual controlled lamp shall be fitted to the TOP of the life raft CANOPY, the light shall be less than 4.3 cd, in all direction of the UPPER HEMISPHERE, the flashes rate not less than 50 and
not more than 70 per minute.
-Minimum carrying capacity = 6 person
Location on ship = in forward ( 6 person )
At embarkation station in port and stbd side ( on my vessel 16 person)
-Breaking Strength of Painter:
15 KN for more than 25 person life raft permitted to accommodate
10 KN for 9 to 24
7.5 KN for any how.
Equipment contain in LIFE RAFT as per SOLAS.
1) Mirror / Heliograph = 1
2) Sponges = 2
3) Buoyant paddles = 2
4) Hand Flares = 6
5) Rocket parachutes = 4
6) Smoke signals =2
7) EPIRB = 1
8) SART = 1
9) Food Ration = 500 gms/ person / days upto 3 days ( not less than 10000 kJ/each person
10) Water = 500 ml / person / days upto 3 days
11) Knife = 1
12) Survival instruction booklet = 1
13) Topping Up pump and Bellow
14) Anti-sea sickness tablets = 50
15) Buoyant bailers = 2
16) Waterproof torch = 1
17) Daylight signaling lamp.
18) Radar reflector = 1
19) First Aid Kit in water proof case = 1 box
20) Fishing tackle = 1 set
21) Compass = 1
22) Sea Anchor = 2
23) Whistle = 1
24) Tin opener = 3
25) Thermal Protective aid = 2
MARKING ON LIFE RAFT CONTAINER as per SOLAS:
1) maker
2) Serial number
3) Date when last serviced
4) Length of painter
5) Maximum permitted height of stowage above water line
6) Type of emergency pack enclosed
7) Date of manufacture ( month and year )
8) Capacity of life raft
9) Launching instruction
10) SOLAS
MARKING ON LIFE RAFT as per SOLAS:
1)Maker
2) Serial number
3) Date when last serviced
4) Date of manufacture ( month and year )
5) Name of approve authority
SAFETY ON LIFE RAFT:
1) Pressure relief valve
2) Stabilizing pocket
3) Insulated canopy have Two layer.
LAUNCHING OF LIFE RAFT MANUALLY:
During drill or in case of any emergency when you have to lower the life raft, follow the procedure are as follows
-First of all take out painter from life raft almost 80% of the total length.
-Now fasten it to ship side on deck and make sure it should not be loose.
-Now remove railing and clear the way for launch.
-Unfasten the ship hook from cradle,
-now remove the pin from senhouse slip so that the liferaft is free from the HRU unit.
-Two person will lift raft container from its cradle and thrown it to overboard ( make sure painter point will be ship side)
-Now after thrown take out remaining painter from raft and after that give sharp pull, but until the raft inflate ( Regulation says that it will inflate within 1 to 3 min depend on ambient temp )
-Now with the help of same painter pull it to ship side,
-Now lower the embarkation ladder or if height will low than jump into water, you can direct jump into raft if the height will not be more than 4.5 m from water line, and also by using embarkation ladder you can go down and jump it inside, or swim some distance and climb up in raft.( but if you are in
cold weather try to should not get wet, keep dry as possible as you can.)
-You must have to sit in order wise means face by face, to not be unbalance of raft,
-Have to take SART and EPIRB along with you.
-After all person get inside head count must be taken,
-Now immediately cut the painter by using knife, and using paddle or sea anchor get clear the ship (bcoz as ship will start to sink there will be low pressure create in water near by area of ship and
your raft will be possible to imbalance)
NOTE: if your raft will inflate up side down so in raft you have RIGHTING STRAP, so climb up on CO2 cylinder and pill it in the same direction of wind, means your face must be opposite to wind, so wind will be help you to make it stable.
LAUNCHING LIFE RAFT IN AUTO MEANS WHEN SHIP WILL SINK AND H.R.U WILL ACTIVE:
-Once ship started to sink, and when it will sink upto 4 meter the water pressure will activate sharp knife in H.R.U
-It will cut the securing rope around the canister or container of the raft, and now raft will float free
-Now ship will further sink, the painter line will stretched and it will inflate the raft.
-Now due to increase in buoyancy will break the Red weak link around 2.2 KN± 0.4 and life raft will be on surface of water now.
NOTE: life raft located in forward will be only inflate manually, it has capacity of 6 person, and life raft located in midship means at embarkation station it have maximum capacity and can be launched by manually, by davit and by H.R.U. So these are the main difference between fwd and aft life raft.
LAUNCHING LIFE RAFT BY DAVIT :
Launching life raft by davit make sure always you keep maintaining davit mechanism.
-TO SWING(PORT AND STBD)- BY HYDRAULIC MOTOR
- FOR UP AND DOWN
For down-By gravity (by releasing winch brake handle)
For up - Electric motor is used to recover the liferaft.
-Unlash the container for launch, REMEMBER INBOARD mark should be ship side
-Lower davit hook and make it lock with lifting shackle.
-Secure canister or container lines outboard
-Secure bowsing line.
-Pull out approx 5-6 meter of painter line.
-Make sure before lifting that hook and brake lanyard are inboard
-Secure painter line.
-Now pull full length of painter.
-Now lift the life raft canister upto some height.
-Now pull the painter and give sharp pull to inflate life raft.
-Make sure the opening of canopy means access should be ship side.
-Now secure the life raft.
-Now one person will go inside to make some check ( make sure you should not wear Sharpe edge shoes or heels )
-Collect SART and EPIRB.
-Now go inside life raft and seat evenly
-Now release bowsing line and pass to raft.
-Check launching area is clear.
-Lower the raft using brake release.
-You can operate hook release 1 m above the water or allow the raft to touch the water and load will reduce from hook and it will release it self.
-Now cut painter and use sea anchor or paddle to clear the area immediately.
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-A life raft, when afloat, shall be capable of withstanding the number of jumps onto it equal to the
number of members of its complement, from a height of at least 4.5 m above its floor.
-A life raft and its towing patch shall be so constructed as to enable the life raft to be towed at a
speed of 3 knots in calm water when it is loaded with its full complement and equipment and one
of its sea anchors is streamed
-Life raft shall be provide INSULATION against HEAT and COLD by means of either TWO layer of
material separated by an AIR GAP. Shall be provided to prevent accumulation of water in the AIR
GAP.
-It shall be provided with means to mount a Survival Craft RADAR TRANSPONDER at a height of at
least ONE meter above the SEA.
-Efficient PAINTER of length equal to not less than 15 m.
.
A visual controlled lamp shall be fitted to the TOP of the life raft CANOPY, the light shall be less than 4.3 cd, in all direction of the UPPER HEMISPHERE, the flashes rate not less than 50 and
not more than 70 per minute.
-Minimum carrying capacity = 6 person
Location on ship = in forward ( 6 person )
At embarkation station in port and stbd side ( on my vessel 16 person)
-Breaking Strength of Painter:
15 KN for more than 25 person life raft permitted to accommodate
10 KN for 9 to 24
7.5 KN for any how.
Equipment contain in LIFE RAFT as per SOLAS.
1) Mirror / Heliograph = 1
2) Sponges = 2
3) Buoyant paddles = 2
4) Hand Flares = 6
5) Rocket parachutes = 4
6) Smoke signals =2
7) EPIRB = 1
8) SART = 1
9) Food Ration = 500 gms/ person / days upto 3 days ( not less than 10000 kJ/each person
10) Water = 500 ml / person / days upto 3 days
11) Knife = 1
12) Survival instruction booklet = 1
13) Topping Up pump and Bellow
14) Anti-sea sickness tablets = 50
15) Buoyant bailers = 2
16) Waterproof torch = 1
17) Daylight signaling lamp.
18) Radar reflector = 1
19) First Aid Kit in water proof case = 1 box
20) Fishing tackle = 1 set
21) Compass = 1
22) Sea Anchor = 2
23) Whistle = 1
24) Tin opener = 3
25) Thermal Protective aid = 2
MARKING ON LIFE RAFT CONTAINER as per SOLAS:
1) maker
2) Serial number
3) Date when last serviced
4) Length of painter
5) Maximum permitted height of stowage above water line
6) Type of emergency pack enclosed
7) Date of manufacture ( month and year )
8) Capacity of life raft
9) Launching instruction
10) SOLAS
MARKING ON LIFE RAFT as per SOLAS:
1)Maker
2) Serial number
3) Date when last serviced
4) Date of manufacture ( month and year )
5) Name of approve authority
SAFETY ON LIFE RAFT:
1) Pressure relief valve
2) Stabilizing pocket
3) Insulated canopy have Two layer.
LAUNCHING OF LIFE RAFT MANUALLY:
During drill or in case of any emergency when you have to lower the life raft, follow the procedure are as follows
-First of all take out painter from life raft almost 80% of the total length.
-Now fasten it to ship side on deck and make sure it should not be loose.
-Now remove railing and clear the way for launch.
-Unfasten the ship hook from cradle,
-now remove the pin from senhouse slip so that the liferaft is free from the HRU unit.
-Two person will lift raft container from its cradle and thrown it to overboard ( make sure painter point will be ship side)
-Now after thrown take out remaining painter from raft and after that give sharp pull, but until the raft inflate ( Regulation says that it will inflate within 1 to 3 min depend on ambient temp )
-Now with the help of same painter pull it to ship side,
-Now lower the embarkation ladder or if height will low than jump into water, you can direct jump into raft if the height will not be more than 4.5 m from water line, and also by using embarkation ladder you can go down and jump it inside, or swim some distance and climb up in raft.( but if you are in
cold weather try to should not get wet, keep dry as possible as you can.)
-You must have to sit in order wise means face by face, to not be unbalance of raft,
-Have to take SART and EPIRB along with you.
-After all person get inside head count must be taken,
-Now immediately cut the painter by using knife, and using paddle or sea anchor get clear the ship (bcoz as ship will start to sink there will be low pressure create in water near by area of ship and
your raft will be possible to imbalance)
NOTE: if your raft will inflate up side down so in raft you have RIGHTING STRAP, so climb up on CO2 cylinder and pill it in the same direction of wind, means your face must be opposite to wind, so wind will be help you to make it stable.
LAUNCHING LIFE RAFT IN AUTO MEANS WHEN SHIP WILL SINK AND H.R.U WILL ACTIVE:
-Once ship started to sink, and when it will sink upto 4 meter the water pressure will activate sharp knife in H.R.U
-It will cut the securing rope around the canister or container of the raft, and now raft will float free
-Now ship will further sink, the painter line will stretched and it will inflate the raft.
-Now due to increase in buoyancy will break the Red weak link around 2.2 KN± 0.4 and life raft will be on surface of water now.
NOTE: life raft located in forward will be only inflate manually, it has capacity of 6 person, and life raft located in midship means at embarkation station it have maximum capacity and can be launched by manually, by davit and by H.R.U. So these are the main difference between fwd and aft life raft.
LAUNCHING LIFE RAFT BY DAVIT :
Launching life raft by davit make sure always you keep maintaining davit mechanism.
-TO SWING(PORT AND STBD)- BY HYDRAULIC MOTOR
- FOR UP AND DOWN
For down-By gravity (by releasing winch brake handle)
For up - Electric motor is used to recover the liferaft.
-Unlash the container for launch, REMEMBER INBOARD mark should be ship side
-Lower davit hook and make it lock with lifting shackle.
-Secure canister or container lines outboard
-Secure bowsing line.
-Pull out approx 5-6 meter of painter line.
-Make sure before lifting that hook and brake lanyard are inboard
-Secure painter line.
-Now pull full length of painter.
-Now lift the life raft canister upto some height.
-Now pull the painter and give sharp pull to inflate life raft.
-Make sure the opening of canopy means access should be ship side.
-Now secure the life raft.
-Now one person will go inside to make some check ( make sure you should not wear Sharpe edge shoes or heels )
-Collect SART and EPIRB.
-Now go inside life raft and seat evenly
-Now release bowsing line and pass to raft.
-Check launching area is clear.
-Lower the raft using brake release.
-You can operate hook release 1 m above the water or allow the raft to touch the water and load will reduce from hook and it will release it self.
-Now cut painter and use sea anchor or paddle to clear the area immediately.
=======================================================================================
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