GTF - General Tanker Familiarization

Properties of the following:

Oil – liquid form, volatile
Chemical – toxic, hazardous, highly reactive, corrosive
Gas – poisonous, toxic, explosive, highly flammable


Loading and discharging procedure
  • The vessel is safely secured alongside
  • The ship has performed all the various precautionary measures
  • The choice of tank has been made

Loading and discharging requirements:
  • Firefighting equipments
  • Safety equipments
  • Protective clothing
  • Anti-pollution equipment
  • Scuffer plugs
  • Safety signs and notices
  • lightings

Toxicity – is the ability of the substance to cause damage to living tissue.

Explosimeter - it is an instrument used for measuring the composition of hydrocarbon gas and air mixture usually giving the result as a percentage of lower flammable limit.


Risk of spillage prevention:
  • ship’s movement alongside must be restricted by adjusting mooring
  • pipelines, joints and valves must be kept under observations while cargo handling
  • drip trays and drip pans must be fitted or placed @ vulnerable points, hose connections
  • all scuffers must be closed to prevent the discharge of oil from deck to overboard

How an OOW (officer on watch) can prevent oil spills?
  • Activate (ESD) Emergency Shut Down
  • Immediately report to the master and terminal

To control marine pollution:
  • Know and familiarize Marpol 73/78 and annexes
  • Observed discharge restriction
  • Recycle as much as possible
  • Use drip pans and drip trays
  • Use anti-pollution equipment

To prevent oil spill on board:
  • Do not use hoses with leaks
  • Avoid bending flexible hose excessively
  • Hoses should be suspended from suitable equipment

PERSONAL MUSTER CARD

Personal Muster Card - contains information which are useful to crew members in an emergency situation. The following are information in the Personal Muster Card:

Crew number, etc., General Emergency Alarm signal, Fire alarn signal, Abandon ship signal, Muster (assembly) station, Emergency duties.

MUSTER LIST

Muster list must be located in places where it can be easily seen. Muster list tells you the following:


WHO YOU ARE - Identifies all crews by name, number, rank, or a combination of both number and rank.

WHERE YOU GO - Identifies the muster stations (assembly stations) which are the designated places on the ship that personnel should go upon hearing the general emergency alarm signal.

WHAT TO DO - Either specific duties are assigned, such as preparations of boats, stairway guides etc., or crew will carry out duties as required - dependent on the nature of emergency.

ALARM SIGNALS

General Alarm - Consist of seven (7) or more short blast followed by one (1) long blast on the ship's whistle. (Instruction: Get ready)Boat Alarm - at least (7) short blast followed by one (1) long blast repeated on the ship's whistle. (Instruction: All to attend their station wearing life jacket)

Fire Alarm - Continous blast of the whistle for a period of not less than 10 seconds followed by continous ringing of the general alarm. (Instruction: All to attend their stations bringing along their assigned fire fighting equipment)
Man Over Board Alarm - the letter "O" sounded at least four times on the ship's whistle followed by the same signal sounded on the fire bells. (Instruction: rescue boat crew to muster station immediately carrying the immersion suit)

ABANDONING SHIP - The order to abandon ship is never given until the master judges it necessary. The ship is the safest survival craft, but if the ship's condition will put people's lives in great danger, abandoning it will be the best option.