IMO IA811E-2007 Code for the Construction and Equipment of Mobile Offshore Drilling Units (Consolidated Edition 2001 Electronic Edition 2007).pdf
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1、Code for the Constructionand Equipment ofMobile OffshoreDrilling UnitsConsolidated Edition, 2001ELECTRONIC EDITIONBINTERNATIONAL MARITIME ORGANIZATIONLondon, 2001First published in 1980by the INTERNATIONAL MARITIME ORGANIZATION4 Albert Embankment, London SE1 7SRSecond edition 2001Printed by the Inte
2、rnational Maritime Organization, London24681097531ISBN 978-92-801-5109-1IMO PUBLICATIONSales number: IA811ECopyright # IMO 2001All rights reserved.No part of this publication may be reproduced,stored in a retrieval system or transmitted in any formor by any means without prior permission in writingf
3、rom the International Maritime Organization.Print edition (ISBN 978-92-801-5109-1)Published in 2001by the INTERNATIONAL MARITIME ORGANIZATION4 Albert Embankment, London SE1 7SRElectronic edition, 2007IMO PUBLICATIONSales number: EA811ECopyright # IMO2001All rights reserved.No part of this publicatio
4、n may be reproduced,stored in a retrieval system or transmitted in any formor by any means without prior permission in writingfrom the International Maritime Organization.ForewordThe Code for the Construction and Equipment of Mobile OffshoreDrilling Units, 1989 (1989 MODU Code) was adopted by Assemb
5、lyresolution A.649(16) for mobile offshore drilling units, the keels of whichare laid or are at a similar stage of construction on or after 1 May 1991. The1989 MODU Code supersedes the 1979 MODU Code adopted byAssembly resolution A.414(XI).The Maritime Safety Committee, at its fifty-ninth session (1
6、3 to 24 May1991), adopted amendments to the 1989 MODU Code (originallycirculated in MSC/Circ.561) and decided that, to maintain compatibilitywith SOLAS, the amendments should become effective on 1 February1992. New section 10.13, Radio life-saving appliances, and new chapter 11,Radiocommunication in
7、stallations, introduced by the amendments apply toall MODUs the keels of which are laid or are at a similar stage ofconstruction on or after 1 May 1991, in the same way as the 1988(GMDSS) amendments to SOLAS apply to ships. The Committee alsorecommended that Member Governments encourage the fitting
8、of allMODUs with the GMDSS equipment specified in the amendments to the1989 Code, and ensure that all MODUs comply with section 10.13 of theamendments to the 1989 Code not later than 1 February 1995, and withchapter 11 of the amendments not later than 1 February 1999.The Maritime Safety Committee, a
9、t its sixty-third session (16 to 25 May1994), adopted further amendments to the 1989 MODU Code (resolutionMSC.38(63) to introduce the harmonized system of survey and certifica-tion (HSSC) into the Code (amendments to chapter 1 and the appendix);provide guidelines for vessels with dynamic positioning
10、 systems (amend-ments to chapters 4 and 5); and provisions for helicopter facilities (newchapter 13). The Committee decided that the amendments introducing theHSSC system should become effective on the same date as the 1988 SOLASand Load Line Protocols relating to the HSSC (i.e. 3 February 2000), an
11、dthat those providing guidelines for vessels with dynamic positioning systemsand provisions for helicopter facilities should become effective on 1 July1994.In 1995, the Assembly adopted the Code on Alarms and Indicators, 1995(resolution A.830(19), which is intended to provide general designguidance
12、and to promote uniformity of type, location and priority forthose alarms and indicators which are required by the 1974 SOLASConvention, MARPOL 73/78 and other IMO instruments, including the1989 MODU Code. The Assembly recommended Governments, inter alia,to take appropriate steps to apply the Code an
13、d to use it as an internationalsafety standard for designing alarms and indicators for ships (and MODUs)and their equipment and machinery.This publication contains the consolidated text of the 1989 MODU Codeand the 1991 and 1994 amendments, but does not include the relevantiiiprovisions of the Code
14、on Alarms and Indicators, 1995. The intention ofthis publication is to provide an easy reference to up-to-date requirementsof the 1989 MODU Code.ivForewordContentsPagePreamble . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Chapter 1 General1.1 Purpose . 31.2 Application
15、. . . 31.3 Definitions. . . 31.4 Exemptions . . 81.5 Equivalents. . . 81.6 Surveys and certification. . 81.7 Control . 141.8 Casualties. . . . 151.9 Review of the Code . . . . 15Chapter 2 Construction, strength and materials2.1 General . 172.2 Design loads. . 172.3 Structural analysis . . 182.4 Spec
16、ial considerations for surface units. . . . 192.5 Special considerations for self-elevating units . . . 192.6 Special considerations for column-stabilized units . . . . 202.7 Fatigue analysis . . . . 222.8 Materials . . . . 222.9 Construction portfolio. . . 222.10 Welding. 222.11 Testing . 22Chapter
17、 3 Subdivision, stability and freeboard3.1 Inclining test . 233.2 Righting moment and heeling moment curves . . 233.3 Intact stability criteria. . . . 26vPage3.4 Subdivision and damage stability . . . .273.5 Extent of damage . .293.6 Watertight integrity.313.7 Freeboard. . . .32Chapter 4 Machinery i
18、nstallations for all types of units4.1 General .374.2 Machinery requirements. .384.3 Steam boilers and boiler feed systems.384.4 Steam pipe systems .394.5 Machinery controls .394.6 Air pressure systems . . . .404.7 Arrangements for oil fuel, lubricating oil and otherflammable oils.404.8 Bilge pumpin
19、g arrangements. . .404.9 Ballast pumping arrangements oncolumn-stabilized units . .424.10 Protection against flooding. . . .444.11 Anchoring arrangements for surface andcolumn-stabilized units . .444.12 Dynamic positioning systems . .46Chapter 5 Electrical installations for all types of units5.1 Gen
20、eral electrical requirements .475.2 Main source of electrical power . . . .475.3 Emergency source of electrical power . . . .485.4 Starting arrangements for emergency generators .525.5 Precautions against shock, fire and other hazards ofelectrical origin. . . .535.6 Internal communication. .56viCont
21、entsPageChapter 6 Machinery and electrical installationsin hazardous areas for all types of units6.1 Zones . . 576.2 Classification of hazardous areas . . . . 576.3 Openings, access and ventilation conditions affectingthe extent of hazardous areas . . 586.4 Ventilation of spaces . . . . 596.5 Emerge
22、ncy conditions due to drilling operations. 596.6 Electrical installations in hazardous areas. . . 606.7 Machinery installations in hazardous areas . 61Chapter 7 Machinery and electrical installationsfor self-propelled units7.1 General . 637.2 Means of going astern . . . 647.3 Steam boilers and boile
23、r feed systems. 647.4 Machinery controls . 647.5 Steering gear. . 667.6 Electric and electrohydraulic steering gear . 687.7 Communication between the navigating bridgeand the engine-room. . . . 687.8 Engineers alarm . . . 687.9 Main source of electrical power . . . . 687.10 Emergency source of elect
24、rical power . . . . 69Chapter 8 Periodically unattended machinery spacesfor all types of unit8.1 General . 718.2 Application. . . 718.3 Fire safety. . . . 718.4 Protection against flooding. . . . 738.5 Bridge control of propulsion machinery. . . 74ContentsviiPage8.6 Communication . . . 758.7 Alarm s
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