Design and Operations of Double Hull Tankers

553 Pages·2004·20.38 MB·553\553

RINA

INTERNATIONAL CONFERENCE

DESIGN AND OPERATIONS OF DOUBLE HULL
TANKERS

25 – 26 February 2004

© 2004: The Royal Institution of Naval Architects

The Institution is not, as a body, responsible for the
opinions expressed by the individual authors or
speakers

THE ROYAL INSTITUTION OF NAVAL
ARCHITECTS
10 Upper Belgrave Street
London SW1X 8BQ

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ISBN No: 0 903055 97 X
Proactive, Risk-Based, Structural
Integrity Management of VLCC’s
Based on Formal Safety Assessment
Methods and Safety Case Principles
John Lee, Jin Wang, Steve Bonsall, Ian Jenkinson, Liverpool John Moores University, UK
Factors affecting tanker
owners/operators today
Unstable supply/demand
(cid:132)
Low freight rates
(cid:132)
Changing ownership patterns
(cid:132)
Diverse flag state performance
(cid:132)
Elimination of in-house technical
(cid:132)
support
Increasing regulatory burdens
(cid:132)
Variation in Tanker Freight
Rates 1947 to 1990
Tanker Spills
The Title
Proactive
(cid:132)
Risk-based
(cid:132)
Structural integrity management
(cid:132)
Formal safety assessment Methods
(cid:132)
Safety case principles
(cid:132)
Main statutory instruments
SOLAS 74: (construction, equipment,
(cid:132)
operation)
MARPOL 73/78: (design, construction &
(cid:132)
operation)
ILLC 1966: (survey, conditions of
(cid:132)
assignment and minimum geometric
freeboard)
Port State Control (PSC)
Distinct Vessel Class-Related
Arrivals Detentions
Company Class Abbr 2000 2001 2002 Total 200020012002Total Ratio
American Bureau of ABS 941 886 2,939 3 1 0 4 0.14%

Shipping 1,112
Bulgarski Koraben BKR 10 7 23 0 0 0 0 0.00%

Registar 6
Bureau Veritas BV 618 614 605 1,837 0 2 2 4 0.22%
China Classification CCS 125 143 422 0 0 0 0 0.00%

Society 154
Croatian Register of CRS 29 35 86 0 0 0 0 0.00%

Shipping 22
Det Norske Veritas DNV 1,202 1,345 1,211 3,758 0 1 1 2 0.05%
Germanischer Lloyd GL 742 744 746 2,232 0 2 2 4 0.18%
Honduras Bureau of HBS <10 0 <10 0 0 0 0 0.00% 0
Shipping 0 Points
Indian Register of Shipping IRS 37 40 22 99 0 0 0 0 0.00%
International Naval INSB <10 3 <13 0 0 0 0 0.00%

Surveys Bureau 0
Lloyd's Register LR 1,527 1,340 1,261 4,128 5 2 2 9 0.22%
The ISM Code
Objectives
(cid:132)
1.2.1 The objectives of the Code are to ensure safety at sea,
(cid:132)
prevention of human injury or loss of life, and avoidance of
damage to the environment, in particular to the marine
environment and to property.
1.2.2 Safety management objectives of the Company should,
inter alia:
.1 provide for safe practices in ship operation and a safe
(cid:132)
working environment;
.2 establish safeguards against all identified risks; and
.3 continuously improve safety management skills of personnel
ashore and aboard ships, including preparing for emergencies
related both to safety and environmental protection.
Self Regulation (Classification)
Complex and unique system for
(cid:132)
safeguarding life, property and the
environment at sea
Without parallel in any other industry
(cid:132)
(compulsory from June 1998)
(cid:132)