Tagged: anti exposure, co2, eebd, emergency fire pump, epirb, ffa, fireman outfit, hypermist, immersion suit, lifeboat, lifebuoy, lifejacket, liferaft, line throwing, lsa, pryotechnics, sbca
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24/01/2020 at 23:37 #217
LSA:
1) General requirements
- To be of proper workmanship and materials, Corrosion resistant, against seawater, sunlight, oil or fungal.
- Be of highly visible color and to be fitted with reflective material, assist in detection.
- Clearly marked with approval information ,and with clear instructions
LSA into 3 categories, general, personal and distress signaling equipment
General LSA
Survival Craft
1) Liferaft
PSC: Hydrostatic release unit correctly installed and serviced
Launch procedure posted,
Clear of obstruction
Embarkation arrangement in good condition
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- Inflated by co2 gas with small amount nitrogen gas to act as anti-freeze
- Capable of inflated by 1 person
- Carrying capacity of more than 6person
- Inflation shall be within 1 minute
- If dropped to water from height of 18m, will not damage
- Capable to withstand repeated jump from 4.5m
- Location on ship: forward and embarkation station on port and starboard
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2) Lifeboat
PSC check for its structure, Hook release gear, Flooring, no wastage, Inventory not expired.
Life boat engine can start within 2 minute, operating instructions clearly posted
On load release gear correct set at required pressure
Lifeboat davit well maintained, wire serviced and launch instruction posted
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- Must have certificate of approval,
- capable to be launch and towed when ship is at 5 knots
- withstand drop from water at least 3m
- resist side impact against hull with speed 3.5m/s
- minimum 1 lifeboat at each side
- 1 lifeboat can be assigned as rescue lifeboat
- Gravity davit have to work even heel at 15degreeC
- LIFEBOAT ENGINE: fuel flash point must not less than 43degreeC
- Lifeboat engine start by batteries or hydraulic
- Starting within 2 minutes
- Gearbox capable to enable ahead and astern
- Must be able to operate not less than 5 minute
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3) Line throwing apparatus
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- At least 1 piece onboard
- Reasonable accuracy
- Line not easily breakable
- Kept on bridge with safety pin provided
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4) Emergency escape breathing device
Maintenance: check the indicator is green, to ensure no leaks
- Keep the device case clean
- Record and check expire date
- Do not use, but use training piece for training
5) Self-contained breathing apparatus
Maintenance: cleaning, disinfecting, drying, visual inspection of speech diaphragm, inhalation valve, exhalation valve
Regulation for SBCA
- The capacity of air bottle should be at least 1200 liters.Maximum pressure should about 180-200 bars.
- It should be capable of working 30 minutes & provided with one face mask.
- Fire proof line at least 3 meters should be there and must have enough length to reach any part of the space to be entered.
- Adjustable safety belt made of fabric.
- Maximum weight should not increase above 19 kg including lifeline, safety belt, and harness.
- Spare cylinders ready of full 2400 liters of air.
- For ships carryings 5 sets or more, the total spare capacity of free air is 9600 liters(4) or if charging facility is available, free air is 4800 liters.(2)
- It must give an audible warning when 20 % of air is left in the bottle.
- Must be marking of maker & year of manufacturer.
- Hydraulic pressure tested at intervals not more 5 years and hydrostatic test date must be permanently marked on the bottles.
- Every 5 years complete service check.
Personal LSA
- Lifebuoy
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- Carrying capacity for ship length under 100m = 8, 100-150m= 10, 150m-200m = 12, above 200m= 14.
- Size: inner diameter not less 400mm, outer diameter not less 800mm
- Accessories:
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a) Retro reflective tape,
b) Grab line
d) Buoyant life line
c) Self-igniting light
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- Not sustain burning or melt if caught fire for 2 sec
- Constructed to withstand a drop into water from a height
- Marking is port of registry of ship.
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2. Life jacket
Psc checks correct number at correct location with marking
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- Carrying minimum capacity; each person onboard have personal lifejacket + additional for watch keeper +5% extra at muster station.
- Worn: should be worn in 1 minute without any assistance, comfortable to wear
- Jump: capable to jump from height of 4.5m into water without injury
- Buoyancy: should not reduce by more than 5% after 1 day in fresh water.
- Not sustain burning or melt if caught fire for 2 sec.
- Come with reflective tape, whistle, and manual igniting light.
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3. Thermal protective aid
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- Have thermal conductance of not more than 7800 W/m-k ( watt.meter kelvin)
- Capable of unpacked and easily donned, Worn: in 2 minute
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4. Immersion suit
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- Carrying minimum capacity; each person onboard have personal lifejacket + additional for watch keeper +5% extra at muster station.
- Worn: should be unpacked and worn in 2 minute without any assistance,
- Cover the whole body except face
- Jump: capable to jump from height of 4.5m into water without injury
- Not sustain burning or melt if caught fire for 2 sec.
- After wear must be capable to do normal work
- Climb up and down vertical ladder at least 5m
- Able to swim short distance
- Wearer can turn face down to face up not more than 5Sec
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5. Anti-exposure suit
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- Worn: should be unpacked and worn in 2 minute without any assistance,
- Cover the whole body except face and hands. Glove and hood provided.
- Equipped with a pocket to portable VHF
- Not sustain burning or melt if caught fire for 2 sec.
- After wear must be capable to do normal work
- Climb up and down vertical ladder at least 5m
- Able to swim short distance 25m
- Wearer can turn face down to face up not more than 5Sec
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Distress signaling equipment
1. Emergency position indicating radio beacon. (EPIRB)
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- Minimum 1 onboard
- Battery storage of 5 years
- Located on bridge wing
- When activated emit radio signal at least 2 days
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2. Search and rescue transponder
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- Min 2 onboard
- Made of reinforce plastic ,Self-floating
- SART mounted on bracket can be fixed to bulkhead of ship
- Portable for use or carry to survival craft
- Should have sufficient battery capacity
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3. Global maritime distress signaling system (GMDSS)
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- Located on bridge
- Main communication of ship and all external communication
- Operated by master and officer in charge
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4. Pyrotechnics
- Rocket parachute type
- 4 per lifeboat & life raft
- Contain in a water resistant case
- Fired vertically, not less than 300m
- Burn with bright red color
- Expires in 3 year
- Hand flare
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- 6 per lifeboat and life raft.
- Contain in a water resistant case
- Burn with bright red color
- Continue to burn immerse in water
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- buoyant smoke signal
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- contained in water resistant case
- not ignite explosively
- emit smoke of highly visible color
- Not swamp in seaway
- Continue to emit smoke when submerge
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FFA (Firefighting appliances)
There are 4 main categories of FFA
- Portable Extinguisher
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- CO2
- Water
- Form
- Dry powder
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- Fixed firefighting system
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- Co2 battery
- Water sprinkler
- Hypermist
- Foam
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- Fireman outfit
- Emergency fire pump
Class of fire, A, B, C, D
Class A – combustible material; not use co2
Class B – oil fires; not use water
Class C – metal fire; only can use dry powder
Class D – electrical fire; only can use dry powder and co2
Portable extinguisher regulation
- Portable extinguisher for use in space to be near
- Co2 not allow to be used in accommodation
- Spare charge must be provided.
Co2 room requirement
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- Spaces for storage of cylinders or tanks for extinguishing gas should not be used for other purposes.
- These spaces should not be located in front of the forward collision bulkhead.
- Access to these spaces should be possible from the open deck.
- Spaces situated below the deck should be directly accessible by a stairway or ladderfrom the open deck.
- The space should be located no more than one deck below the open deck.
- Spaces where entrance from the open deck is not provided or which are located belowdeck are to be fitted with mechanical ventilation.
- The exhaust duct (suction) should be lead to the bottom of the space.
- Such spaces should be ventilated with at least 6 air changes per hour.
Co2 system requirements
- Discharge requirement is, at least 50% of CO2 discharge to be carried out in 1 minute and at least 85% discharge in 2 minutes.
- Capacity of CO2 in the system to be, 1.) 30% of the gross volume of the largest protected cargo space, 2.) 40% of the gross volume of machinery space excluding engine casings, 2.) 35% of the gross volume of machinery space including engine casings for vessels GT < 20000. Total amount of CO2 cylinders depends on the highest gross volume out of above 1,2,3 in a particular ship.
- Safeguard against unauthorized usage
- Alarm must trigger well before operation of CO2 flooding system.
- Automatic discharge not allowed
- Machinery space to be fitted with audio-visual alarm and ventilation blower trip.
- Permanent piping aranngment to be made
- Copper and flexible pipes are allowed between CO2 cylinder and common manifold.
- Distribution pipes to cargo spaces should not pass through engine room.
- Piping pressure tested to 122 bar
- 2 separate control must be provided, to open distribution valve and to release.
- All stop valves to be checked every month to ensure their working and position
- All control valves to be tested annually.
Co2 bottle requirements
- stamped pressure at 52bar
- bursting disc rapture at 177 – 193 bar at 63degreeC
- hydraulically tested to 228bar
- level tested by weighing or radioactive level detection,
- recharge if 5% lost,
- have both manual and auto operation
- clamped against movement
- if more than 10 years, require internal and external exam
- Store in temperature less than 55 degree C.
Co2 Room Routine and Yearly Checks
Monthly
- Alarms, Machinery trips, Door alarm, Quick closing valves, Flaps, Skylights, Ventilation fan trips to be tested.
Yearly
- General inspection of the installation, pipe lines to be checked.
2 Yearly
- Verify CO2 contents by mechanical advantage lever, ultrasonic liquid level measurement or radioactive liquid level measurement. Equipment for measuring CO2 content must be available on board ships. A maximum reduction of 5% in CO2 content may be allowed provided total CO2 quantity on board is not less than the required amount.
- Blow through the system with 6-7 bar air with plastic air bags at the nozzle ends.
5 Yearly
- The servo cylinders and any remote controlled stop valves to be tested by opening one pilot cylinder. The main CO2 bottles must be uncoupled for this purpose.
- Spring loaded relief valves to be checked and pressure tested at 180 bar.
- Checking of HP alarms which operate with gas pressure.
- Section of CO2 which can be shut off must be tested with air at 25 bar.
10 Yearly
- CO2 bottles to be inspected internally. Siphon tube or dip tube to be checked. Cylinders to be pressure tested at 250 bar. If permanent change in volume is observed, those cylinders to be discarded. After 20 years of installation of CO2 flooding system, these tests to be carried out every 5 years thereafter.
15 yearly and 5 year thereafter
- Pressure test HP pipes, stop valves to engine room, pump room, purifier room,etc. at 190 bar (hydraulic), medium pressure pipes at 80 bar (hydraulic) and low pressure pipes at 7 bar air.
- After hydraulic pressure testing, lines to be blown through by dry air.
Sprinkler firefighting system
- Blub operating. Green-93degreeC, yellow-79 degreeC, red- 68 degreeC
- At least 2 source of power for Seawater pump, alarm and detection system and Fresh water pump
- Sprinkler must be resistant to corrosion
- Each section not to contain more than 200 sprinkler head,
- Each sprinkler must be sufficient to cover area of 16m2
- Highest sprinkler head not less than 4.8bar pressure
- Gauge should be provided at each section and central station
- Paint locker room must have sprinkler connected to fire main pump
Hypermist firefighting system
- Protect spaces, me, ae, purifier room, incinerator, boiler platform
- Activation give visual and audible alarm.
Regulation for emergency fire pump
- Located outside of engine room,
- Provided in case of emergency like co2 flooding, main fire pump not functional
- Power supply from emergency generator
- Capable of supplying 2 jets (12meters each )
- Attach to a priming unit
Regulation for Fireman Outfit
As per SOLAS the minimum number of fire fighter outfit required on board are as follows:-
All ships shall carry at least two fireman’s outfits complying with the requirements.
1) For ship between 500-2500 Gross tons, minimum two sets are required.
2) For ship between 2500-4000 Gross tons, minimum three sets are required.
3) For ships, 4000 Gross tons and above minimum four sets are required.
The fire fighter outfit is stored in the fire control room and in places that are easily accessible during emergencies.
4) A minimum of two two-way portable radiotelephone apparatus for each fire party for fire-fighter’s communication shall be carried on board.
5) Those two-way portable radiotelephone apparatus shall be of an explosion-proof type or intrinsically safe.
6) To be consist of following
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- Rigid helmet
- Waterproof & heat resistance protective clothing
- Electrically nonconductive boots and gloves
- SCBA set
- Free proof life line
- Belt for carrying auxiliary
- Axe with insulated handle
- Battery operated safety lamp
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