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Published Date

September 2000


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Guidelines on the Ship-Board Odourisation of LPG

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These guidelines were produced following notification to the SIGTTO Secretariat of several potentially dangerous incidents involving odourants. These guidelines are a reference for operational and commercial staff in LPG shipping and terminal industries. They are not a design specification for odourant injection equipment. These SIGTTO guidelines should be written into charter parties when shipboard odourisation is to take place.

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Examples of incidents that were brought to the attention of SIGTTO include:

 

• In 1987, a member of the working group visited a small pressurised LPG carrier in the Far East. While there he had to persuade the ship’s Chief Engineer, dressed in shorts, against decanting odourant from a drum and injecting it into the cargo tank using a semi-rotary pump and plastic hose.

• In 1997, a ship owning member of the Society was asked to carry out cargo odourisation using ethyl mercaptan that was supplied by the receiver in 40 gallon (209 litre) drums. The discharge port was in the tropics. After a short time, the drums started to bulge due to the high ambient temperature. The ship’s staff cooled down the drums by using a cool water spray, preventing them from rupturing.

• In 1998, the Master of an LPG carrier was asked for permission for terminal staff to board the ship and odourise the cargo during discharge. A senior manager was concerned about the equipment that was to be used and vetoed the operation. The cargo was discharged unodourised.

 

Due to these and other incidents, a meeting of members of the LPG shipping industry was held. It was revealed that odourisation often took place with little or no understanding of the hazards involved. As a result, the SIGTTO General Purposes Committee authorised a Working Group to produce these guidelines.

1. BACKGROUND

2. TYPES OF ODOURANT

3. TRANSPORTATION AND STORAGE OF ODOURANT

4. RISK MANAGEMENT AND SAFETY

5. DESIGN, OPERATION AND MAINTENANCE OF 000URANT INJECTION

EQUIPMENT

6. TRAINING

7. GLOSSARY OF TERMS

APPENDIX 1 Chemical Data Sheets

APPENDIX 2 List of Training Organisations

APPENDIX 3 Incident Scenarios and Consequence Analyses

APPENDIX 4 Informative References

Title: Guidelines on the Ship-Board Odourisation of LPG
Number of Pages: 28
Product Code: 4400W028
ISBN: ISBN 13: 978-1-85609-209-8 (9781856092098), ISBN 10: 1-85609-209-7 (1856092097)
Published Date: September 2000
Binding Format: Paperback
Book Height: 300 mm
Book Width: 210 mm
Weight: 0.20 kg

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