SIGTTO Guidelines Personal Handbook Rev 4

Personal Handbook

Guide to Safety Rules, Regulations and Familiarisation on Board

a Cabin LSA Handbook

Take care of this booklet while you are on board. This booklet belongs in your cabin.

Upon request to your senior Officer, you may take it with you when signing off the vessel.

SIGTTO offers the draft below as one way in which a Company can produce an LSA Handbook to be issued to all crew and placed in their cabins. The draft covers items which SIGTTO believes should be addressed. SIGTTO also recognises that individual Companies and Flag Administrations may have alternative ways to achieve this objective with their approved ISM systems.

SIGTTO Information Paper No. 20

Safety does not merely happen; it is the reward of good management, good housekeeping and good procedures

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SIGTTO Guidelines Personal Handbook Rev 4

Personal Safety and Familiarisation Booklet

You must complete this before taking up duties on board and after you have been given a guided safety tour of the vessel and a brief on its safety equipment, procedures and alarm signals. This tour and brief will be the minimum information you require before taking up duties. Further information will be found in this booklet.

Issued to:.... Seamans Book Number: Date Issued: Ships Name:..

This page must be signed and a copy (page attached) retained on board the vessel as evidence that the seafarer has received and understands the book

and contents.

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SIGTTO Guidelines Personal Handbook Rev 4

Personal Safety and Familiarisation Booklet

You must complete this before taking up duties on board and after you have been given a guided safety tour of the vessel and a brief on its safety equipment, procedures and alarm signals. This tour and brief will be the minimum information you require before taking up duties. Further information will be found in this booklet.

Issued to:.... Seamans Book Number: Date Issued: Ships Name:..

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SIGTTO Guidelines Personal Handbook Rev 4

1. Introduction The purpose of this record is to ensure, as far as possible, that each Officer and Rating has a sound and thorough knowledge of the health, safety, life-saving and pollution prevention equipment on board the vessel in which he is serving. It is the duty of the seafarer to whom this record is issued, to ensure that the appropriate sections are completed and signed within the laid down time limits. The Master of the vessel and the head of department will give all assistance in completing the required tasks, but it is the duty of the seafarer to acquire a complete knowledge of the vessel at the earliest opportunity. The safety of the vessel and her crew can only be assured by the constant alertness of all crew members. If at any time you see safety equipment which does not appear in good order, or any situation relating to safety which you do not fully understand, report this immediately to a senior officer.

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SIGTTO Guidelines Personal Handbook Rev 4 2. Carriage of Liquefied Gases by Sea HOW ARE THEY CARRIED? Gases are always liquefied for transportation in bulk simply because more cargo can be fitted in a given volume. Typically, but dependent upon the product, 1 volume of liquefied petroleum gas (LPG) is equivalent to over 250 volumes of vapour and 1 volume of liquefied natural gas (LNG) equivalent to 600 volumes of vapour. The same liquefied gas at the same temperature, in a closed container, will always have the same pressure. Therefore, butane at the same temperature has an identical pressure irrespective of whether the container is the tank of a gas carrier, a simple gas cigarette lighter, a storage tank, or a domestic gas bottle All are pressurised containers.

1. Reducing its temperature by refrigeration at atmospheric pressure. 2. Applying pressure at ambient temperature. 3. A combination of the above.

LNG is produced from natural gas. LPG may be produced either from natural gas or from refining crude oil. In the year 2000 approximately 100 million tonnes of LNG and 50 million tonnes of LPG were shipped by sea. TYPES OF LIQUEFIED GAS CARRIER Gas carriers are designed for the cargoes that they have to carry and conditions under which they must carry them. A brief description of some of the main ship designs follows including cross-sections through tanks. LNG Carriers Liquefied Natural Gas is carried at about - 162C and most of these carriers are fitted with either the distinctive spherical type cargo tanks or membrane tanks. The tanks are heavily insulated to minimise boil-off. At present reliquefaction units are not normally fitted and boil-off gas is burnt as fuel gas to propel the ship. The majority of these ships are between 70,000 and 138,000 cubic metres capacity and are up to 300 metres in length. LPG Carriers

Fully Pressurised These are generally the smallest type of liquefied gas carrier afloat (up to about 5,000 cubic metre, although some are larger) and carry products at ambient temperatures in cylindrical or spherical steel pressure vessels designed to withstand pressures up to 20 bar. They are not fitted with reliquefaction plant and represent a simple cost-effective means of transporting LPG's and chemical gases to the smaller gas terminals.

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SIGTTO Guidelines Personal Handbook Rev 4

Semi-Pressurised

Capable of carrying LPG, ammonia and the chemical gases these ships have a wide variety of capacities from a few thousand cubic metres up to about 20,000 cubic metres. They are generally fitted with cylindrical or bi-lobe pressure-vessel type cargo tanks, which are suitable for low-temperatures. The tanks may be specially shaped to fit the holds and maximise cargo carrying capacity. By constructing the tanks from special alloy steels the cargo may be carried at temperatures as low as -50C and at pressures from atmospheric to about 10 bar. The cargo tanks are insulated and reliquefaction plant is fitted for temperature control. These ships are able to load and discharge products at both pressurised and refrigerated storage facilities.

Ethylene Carriers Ethylene ships are a sophisticated type of semi-pressurised ship, designed to carry most liquefied gas cargoes except LNG. They feature cylindrical or bi-lobe, insulated, stainless or low temperature nickel steel cargo tanks able to carry cargoes at minimum temperatures of -104C and at tank pressures of up to about 6 bar. The ships can load and discharge at virtually all pressurised and refrigerated terminals, making them the most versatile LPG carriers in terms of cargo handling ability. Powerful reliquefaction units are installed.

Fully Refrigerated These ships carry product at near atmosphere pressure at temperatures, dependant upon the type of cargo, of between -5C and -55C. The prismatic, or box shaped, tanks are made from special low temperature steel and are heavily insulated. A secondary barrier is fitted to protect against leakage from the main tank. Hold spaces are inerted when carrying LPGs to prevent a flammable atmosphere being created in the event of a leak. Powerful reliquefaction units are installed on these ships which generally range in size from 30,000 to 80,000 cubic metres. INTRODUCTION This booklet specifically addresses hazards associated with gas carriers and the cargoes they can carry. It is helpful to understand the following terms:

Hazard is the potential to cause harm Risk is the chance of harm Risk Assessment is an analysis of risk factors Risk Mitigation are the measures taken to reduce risk.

YOU MUST BE AWARE OF THE HAZARDS AND PRECAUTIONS

YOU MUST FOLLOW INSTRUCTIONS

FAILURE TO DO SO MAY DAMAGE YOUR SHIP AND THE ENVIRONMENT AND COULD POSSIBLY KILL OR INJURE YOU AND YOUR COLLEAGUES

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SIGTTO Guidelines Personal Handbook Rev 4 FURTHER INFORMATION:

Cargo Data Sheets which should be placed on ships notice boards. They identify product characteristics, health data and emergency procedures for the cargo.

Company Procedures and Manuals which should be made available to you. Liquefied Gas Handling Principles on Ships and in Terminals produced by SIGGTO and The

Tanker Safety Guide (Liquefied Gas) produced by The International Chamber of Shipping both give detailed information about the safe operation of liquefied gas carriers and handling the cargoes that your ship may carry. These books should be available on board.

CARGO HEALTH AND SAFETY INFORMATION The information for each cargo grade being carried at any one time should include:

Appearance Reactivity data Physical data Fire and explosion data Health data

Conditions of carriage Special requirements The main hazards Associate hazards Compatible materials

It is important to realise that different cargo grades may well have different hazards associated with them. If any