IMO IB874E-2009 INTERNATIONAL CODE ON INTACT STABILITY 2008 (Third Edition).pdf

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1、The International Code on Intact Stability, 2008 (2008 IS Code), presents mandatory and recommendatory stability criteria and other measures for ensuring the safe operation of ships, to minimize the risk to such ships, to the personnel on board and to the environment. The 2008 IS Code will take effe

2、ct on 1 July 2010. The 2008 IS Code features: A full update of the previous IS Code Criteria based on the best state-of-the-art concepts available at the time they were developed, taking into account sound design and engineering principles and experience gained from operating ships Influences on int

3、act stability such as the dead ship condition, wind on ships with large windage area, rolling characteristics and severe seas.Explanatory Notes to the 2008 IS Code are also presented. This publication should be of interest to maritime administrations, ship manufacturers, shipping companies, educatio

4、n institutes and others concerned with stability criteria.IB874Ewww.imo.org2008 IS Code 2009 EDITIONIMOIB874EINTERNATIONALCODEONINTACTSTABILITY,20082009 EditionLondon, 2009Published in 2009by the INTERNATIONAL MARITIME ORGANIZATION4 Albert Embankment, London SE1 7SRwww.imo.orgThird edition, 2009Prin

5、ted in the United Kingdom by CPI Books Limited, Reading RG1 8EXISBN 978-92-801-1506-2IMO PUBLICATIONSales number: IB874ECopyright#International Maritime Organization 2009All rights reserved.No part of this publication may be reproduced,stored in a retrieval system or transmitted in any formor by any

6、 means without prior permission in writingfrom the International Maritime Organization.This publication has been prepared from official documents of IMO, and every effort has been made toeliminate errors and reproduce the original text(s) faithfully. Readers should be aware that, in case ofinconsist

7、ency, the official IMO text will prevail.ContentsPageForeword vInternational Code on Intact Stability, 2008 . 1Explanatory Notes to the International Codeon Intact Stability, 2008. 119iiiForewordThe International Code on Intact Stability, 2008 (2008 IS Code), presentsmandatory and recommendatory sta

8、bility criteria and other measures forensuring the safe operation of ships, to minimize the risk to such ships, to thepersonnel on board and to the environment. The 2008 IS Code (resolutionMSC.267(85), adopted on 4 December 2008) will take effect on 1 July 2010upon the entry into force of the respec

9、tive amendments to the 1974 SOLASConvention and 1988 Load Lines Protocol.The2008ISCodefeatures:*A full update of the previous IS Code (2002 edition; resolution A.749(18), as amended by MSC.75(69)*Criteria based on the best state-of-the-art concepts available at thetime they were developed, taking in

10、to account sound design andengineering principles and experience gained from operating ships*Influences on intact stabilitysuchas the dead ship condition, wind onships with large windage area, rolling characteristics and severe seas.This publication also presents Explanatory Notes to the 2008 IS Cod

11、e, whichare intended to provide Administrations and the shipping industry withspecific guidance to assist in the uniform interpretation and application ofthe intact stability requirements of the 2008 IS Code.vInternational Codeon Intact Stability,2008ContentsResolution MSC.267(85) (adopted on 4 Dece

12、mber 2008) . 7Preamble 9Introduction1 Purpose 102 Definitions 10Part A Mandatory criteriaChapter 1 General1.1 Application 171.2 Dynamic stability phenomena in waves . 17Chapter 2 General criteria2.1 General 192.2 Criteria regarding righting lever curve properties . . 202.3 Severe wind and rolling cr

13、iterion (weather criterion) 20Chapter 3 Special criteria for certain types of ships3.1 Passenger ships 253.2 Oil tankers of 5,000 tonnes deadweight and above 263.3 Cargo ships carrying timber deck cargoes . 263.4 Cargo ships carrying grain in bulk . 273.5 High-speed craft 27Part B Recommendations fo

14、r certain typesof ships and additional guidelinesChapter 1 General1.1 Purpose 281.2 Application 283Chapter 2 Recommended design criteriafor certain types of ships2.1 Fishing vessels . 292.2 Pontoons . 322.3 Containerships greater than 100 m 342.4 Offshore supply vessels. 362.5 Special purpose ships

15、382.6 Mobile offshore drilling units (MODUs). 39Chapter 3 Guidance in preparing stability information3.1 Effect of free surfaces of liquids in tanks. 503.2 Permanent ballast. 523.3 Assessment of compliance with stability criteria . . . 523.4 Standard conditions of loading to be examined . . . 523.5

16、Calculation of stability curves 563.6 Stability booklet 583.7 Operational measures for ships carrying timberdeck cargoes 603.8 Operating booklets for certain ships . 61Chapter 4 Stability calculations performed bystability instruments4.1 Stability instruments . 63Chapter 5 Operational provisions aga

17、inst capsizing5.1 General precautions against capsizing 705.2 Operational precautions in heavy weather. 715.3 Ship handling in heavy weather. 71Chapter 6 Icing considerations6.1 General 736.2 Cargo ships carrying timber deck cargoes . 736.3 Fishing vessels . 736.4 Offshore supply vessels 24 m to 100

18、 m in length. . 774International Code on Intact Stability, 2008Chapter 7 Considerations for watertightand weathertight integrity7.1 Hatchways 797.2 Machinery space openings 807.3 Doors . 817.4 Cargo ports and other similar openings . 827.5 Sidescuttles, window scuppers, inlets and discharges 827.6 O

19、ther deck openings 847.7 Ventilators, air pipes and sounding devices 857.8 Freeing ports 867.9 Miscellaneous 88Chapter 8 Determination of lightship parameters8.1 Application 898.2 Preparations for the inclining test 908.3 Plans required . 938.4 Test procedure. 938.5 Inclining test for MODUs . 948.6

20、Stability test for pontoons . 95Annex 1 Detailed guidance for the conductof an inclining test1 Introduction . 962 Preparations for the inclining test 962.1 Free surface and tankage . 962.2 Mooring arrangements . 992.3 Test weights . 1002.4 Pendulums 1022.5 U-tubes 1032.6 Inclinometers 1043 Equipment

21、 required . 1044 Test procedure. 1054.1 Initial walk-through and survey . 1064.2 Freeboard/draught readings . 1084.3 The incline 1095ContentsAnnex 2 Recommendations for skippers of fishing vesselson ensuring a vessels endurance in conditionsof ice formation1 Prior to departure. 1132 Atsea. 1143 Duri

22、ng ice formation. 1164 List of equipment and hand tools 1186International Code on Intact Stability, 2008Resolution MSC.267(85)(adopted on 4 December 2008)Adoption of the International Codeon Intact Stability, 2008(2008 IS Code)THE MARITIME SAFETY COMMITTEE,RECALLING Article 28(b) of the Convention o

23、n the International MaritimeOrganization concerning the functions of the Committee,RECALLING ALSO resolution A.749(18) entitled Code on Intact Stability forAll Types of Ships Covered by IMO Instruments, as amended by resolu-tion MSC.75(69),RECOGNIZING the need to update the aforementioned Code and t

24、he im-portance of establishing mandatory international intact stability require-ments,NOTING resolutions MSC.269(85) and MSC.270(85), by which it adopted,inter alia, amendments to the International Convention for the Safety of Lifeat Sea (SOLAS), 1974, as amended (hereinafter referred to as “the 197

25、4SOLAS Convention) and to the Protocol of 1988 relating to the Interna-tional Convention on Load Lines, 1966 (hereinafter referred to as the 1988Load Lines Protocol), respectively, to make the introduction and the pro-visions of part A of the International Code on Intact Stability, 2008 man-datory u

26、nder the 1974 SOLAS Convention and the 1988 Load LinesProtocol,HAVING CONSIDERED, at its eighty-fifth session, the text of the proposedInternational Code on Intact Stability, 2008,1. ADOPTS the International Code on Intact Stability, 2008 (2008IS Code), the text of which is set out in the Annex to t

27、he present resolution;2. INVITES Contracting Governments to the 1974 SOLAS Conventionand Parties to the 1988 Load Lines Protocol to note that the 2008 IS Codewill take effect on 1 July 2010 upon the entry into force of the respectiveamendmentstothe1974 SOLASConventionand1988 Load LinesProtocol;73. R

28、EQUESTS the Secretary-General to transmit certified copies of thepresent resolution and the text of the 2008 IS Code contained in the Annexto all Contracting Governments to the 1974 SOLAS Convention and Partiesto the 1988 Load Lines Protocol;4. FURTHER REQUESTS the Secretary-General to transmit copi

29、es of thisresolution and the Annex to all Members of the Organization which are notContracting Governments to the 1974 SOLAS Convention or Parties to the1988 Load Lines Protocol;5. RECOMMENDS Governments concerned to use the re-commendatory provisions contained in part B of the 2008 IS Code as a bas

30、isfor relevant safety standards, unless their national stability requirementsprovide at least an equivalent degree of safety.8International Code on Intact Stability, 2008PREAMBLE1 This Code has been assembled to provide, in a single document,mandatory requirements in the introduction and in part A a

31、nd re-commended provisions in part B relating to intact stability, based primarilyon existing IMO instruments. Where recommendations in this Code appearto differ from other IMO Codes, the other Codes should be taken as theprevailing instrument. For the sake of completeness and for the con-venience o

32、f the user, this Code also contains relevant provisions frommandatory IMO instruments.2 The criteria included in the Code are based on the best state-of-the-art concepts, available at the time they were developed, taking into ac-count sound design and engineering principles and experience gained fro

33、moperatingships.Furthermore,designtechnology for modern ships is rapidlyevolving and the Code should not remain static but should be re-evaluatedand revised, as necessary. To this end, the Organization will periodicallyreviewtheCodetakingintoconsideration both experience and furtherdevelopment.3 A n

34、umber of influences such as the dead ship condition, wind onships with large windage area, rolling characteristics, severe seas, etc., weretaken into account based on the state-of-the-art technology and knowledgeat the time of the development of the Code.4 It was recognized that in view of a wide va

35、riety of types, sizes ofships and their operating and environmental conditions, problems of safetyagainst accidents related to stability have generally not yet been solved. Inparticular, the safety of a ship in a seaway involves complex hydrodynamicphenomena which up to now have not been fully inves

36、tigated and under-stood. Motion of ships in a seaway should be treated as a dynamical systemand relationships between ship and environmental conditions such as waveand wind excitations arerecognizedasextremelyimportantelements.Based on hydrodynamic aspects and stability analysis of a ship in a seawa

37、y,stability criteria development poses complex problems that require furtherresearch.9PreambleINTRODUCTION1 Purpose1.1 ThepurposeoftheCodeistopresentmandatoryandre-commendatory stability criteria and other measures for ensuring the safeoperation of ships, to minimize the risk to such ships, to the p

38、ersonnel onboard and to the environment. This introduction and part A of the Codeaddress the mandatory criteria and part B contains recommendations andadditional guidelines.1.2 This Code contains intact stability criteria for the following types ofships and other marine vehicles of 24 m in length an

39、d above, unlessotherwise stated:.1 cargo ships;.2 cargo ships carrying timber deck cargoes;.3 passenger ships;.4 fishing vessels;.5 special purpose ships;.6 offshore supply vessels;.7 mobile offshore drilling units;.8 pontoons; and.9 cargo ships carrying containers on deck and containerships.1.3 Adm

40、inistrations may impose additional requirements regarding thedesign aspects of ships of novel design or ships not otherwise covered bythe Code.2 DefinitionsFor the purpose of this Code the definitions given hereunder shall apply. Forterms used, but not defined, in this Code, the definitions as given

41、 in theInternational Convention for the Safety of Life at Sea (1974 SOLAS Con-vention), as amended, shall apply.2.1 Administration means the Government of the State whose flag theship is entitled to fly.2.2 Passenger ship is a ship which carries more than twelve passengersas defined in regulation I/

42、2 of the 1974 SOLAS Convention, as amended.10International Code on Intact Stability, 20082.3 Cargo ship is any ship which is not a passenger ship, a ship of war andtroopship, a ship which is not propelled by mechanical means, a woodenship of primitive build, a fishing vessel or a mobile offshore dri

43、lling unit.2.4 Oil tanker means a ship constructed or adapted primarily to carry oil inbulk in its cargo spaces and includes combination carriers and any chemicaltanker as defined in Annex II of the International Convention for the Pre-vention of Pollution from Ships, 1973, as modified by the Protoc

44、ol of 1978(MARPOL Convention) when it is carrying a cargo or part cargo of oil in bulk.2.4.1 Combination carrier means a ship designed to carry either oil or solidcargoes in bulk.2.4.2 Crude oil tanker means an oil tanker engaged in the trade of carryingcrude oil.2.4.3 Product carrier means an oil t

45、anker engaged in the trade of carryingoil other than crude oil.2.5 Fishing vessel is a vessel used for catching fish, whales, seals, walrusor other living resources of the sea.2.6 Special purpose ship has the same definition as in the Code of Safetyfor Special Purpose Ships, 2008 (resolution MSC.266

46、(84).2.7 Offshore supply vessel means a vessel which is engaged primarily inthe transport of stores, materials and equipment to offshore installations anddesigned with accommodation and bridge erections in the forward part ofthe vessel and an exposed cargo deck in the after part for the handling ofc

47、argo at sea.2.8 Mobile offshore drilling unit (MODU or unit) is a ship capable ofengaging in drilling operations for the exploration or exploitation of re-sources beneath the sea-bed such as liquid or gaseous hydrocarbons, sul-phur or salt.2.8.1 Column-stabilized unit is a unit with the main deck co

48、nnected to theunderwater hull or footings by columns or caissons.2.8.2 Surface unit is a unit with a ship- or barge-type displacement hull ofsingle or multiple hull construction intended for operation in the floatingcondition.2.8.3 Self-elevating unit is a unit with moveable legs capable of raising

49、itshull above the surface of the sea.11Introduction2.8.4 Coastal State means the Government of the State exercising ad-ministrative control over the drilling operations of the unit.2.8.5 Mode of operation means a condition or manner in which a unit mayoperate or function while on location or in transit. The modes of operationof a unit include the following:.1 operating conditions meansconditionswhereinaunitisonlo-cation for the purpose of conducting drilling operations, andcombined environmental and operational loadings are within theappropriat