This study, sponsored by the Health and Safety Executive (HSE), examines historical accident data concerning collision, stranding, hull and machinery incidents involving ships used for the transport of liquid gases. Of the 639 ships in the world fleet, 568 are dedicated for the transport of liquid petroleum gas (LPG) or similar cargoes and the remainder for liquid natural gas (LNG). The major part of the study is concerned with LPG carriers and they have been classified as either small or large ships carrying <5000 m exp 3 or >5000 m exp 3 respectively. Data gathered from Lloyd's covering the period 1977-81 have been analysed to determine incident frequencies and factors which may have some influence on the frequency rate. The data base includes all reported incidents and the specified incident rates are not influenced by the degree of damage sustained by the gas carriers. A definition of a serious incident, however, is specified in Appendix 1, and 44 incidents out of a total of 257 reported are considered to fall into this category and are classified by type of damage in Appendix 2. The more severe incidents are briefly described in Appendix 2 including those where gas release occurred. There is no evidence that any of the incidents resulted in rupture of a cargo tank, although comments are made of possible damage to cargo tanks and in one incident a cargo tank broke loose from a wrecked carrier. 3 refs., 18 figs., 9 tabs. (ERA citation 11:015679)
Incident Probabilities on Liquid Gas Ships
1985
43 pages
Report
Keine Angabe
Englisch
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