Measures to be implemented immediately:
Further measures:
Consider whether to stop air intake into accommodation and non-essential air intake to engine-room.
In the case of a noxious liquid substance, consider what protection from vapour or liquid contact is necessary for the response team and for the other crew members.
Consider mitigating activities such as decontamination of personnel who has [...]
Posted in Ships Safety Procedure 
Tags: absorbent materials, accommodation, air intake, cargo tank, crew members, decontamination, empty tank, essential air, liquid spills, liquid substance, necessary measures, oil pollution prevention, pipeline, pollution prevention team, pumps, relevant section, response team, slop, solvents 
No Comments »WHENEVER A SPILL OF OIL OR A NOXIOUS LIQUID SUBSTANCE OCCURS IT IS THE DUTY OF THE PERSON FINDING THE SPILL TO IMMEDIATELY INFORM THE MASTER OR RESPONSIBLE OFFICER, WHO SHOULD CALL OUT THE VESSEL’S OIL POLLUTION PREVENTION TEAM. REMEMBER THAT AN OIL SPILL MAY CREATE A FIRE OR EXPLOSION HAZARD, REQUIRING SAFETY PRECAUTIONS TO [...]
Posted in Ships Safety Procedure Tags: bunker tank, cargo tank, company safety, explosion hazard, hoses, liquid substance, oil pollution prevention, oil spill, pipeline, pollution control, pollution prevention team, reactivity, responsible officer, safety precautions, safety procedures, toxicity No Comments »Heavy Weather Ballast (HWB- is referring to a loading condition where the designated HWB tank(s), or any other cargo tank is filled for the purpose of increasing the draught of the vessel.
The Master is ultimately responsible for the decision to fill HWB into any cargo tank
The Chief Officer is responsible for proper planning of any [...]
Posted in Ships Safety Procedure Tags: accessible places, accurate position, anchorage, ballast water, berth, cargo tank, contamination, copious quantities, crew members, crude oil, dangerous goods, discharge port, emergency treatment, extreme caution, face shields, heavy weather, hwb, ingestion, liquid cargo, oil spill, open waters, ordination, persistent oil, personnel protection, port request, protective clothing, protective equipment, rcc, request permission, resistant material, safety aspects, safety guide, shippers, shoal waters, skin absorption, solvent nature, suitable footwear, tank pressure, tank vents, tanker safety, weather conditions, work clothes 2 Comments »Gassing Up Cargo Tanks
To change the cargo tank atmosphere from air to either a neutral, toxic or cargo atmosphere
Nitrogen and carbon dioxide cannot be condensed by a ship’s reliquefaction plant
Removal of inert gas from the cargo tank is necessary
Necessary to remove the vapour of the previous cargo with vapour of the cargo to be loaded
Posted in Cargo Handling Operations, Preparing for Loading and Unloading Tags: ammonia, carbon dioxide, cargo carriage, cargo tank, cargo tanks, cargo_loading, compressor manufacturer, concentration, deck storage, density, evaporation, hydrocarbon, inert gas, jetty, nitrogen, ships, storage tanks, surfaces, tank, tank atmosphere, tanks, thermal stresses, vaporiser, vent, warm tank No Comments »Inerting
To ensure a non-flammable condition during subsequent gassing-up with cargo
Oxygen concentration reduced from 21 per cent to a maximum of five per cent by volume
Chemical gases, such as vinyl chloride or butadiene, levels of oxygen as low as 0.1 per cent required to avoid a chemical reaction with the incoming vapour
Posted in Cargo Handling Operations, Preparing for Loading and Unloading Tags: ammonia, bottom loading, butadiene, cargo tank, chemical gases, chemical reaction, combustion, densities, dilution, efflux, gas mixture, heavier than air, inert gas, inerting, lpg, minimum quantity, nh3, oxygen concentration, piston, purge, repetitions, stratification, tank atmosphere, turbulence, vacuum type, vinyl chloride No Comments »
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