ABS 155-2013 GUIDE FOR MOBILE OFFSHORE UNITS OPERATING ON THE NORWEGIAN CONTINENTAL SHELF N-NOTATION.pdf

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1、 Guide for Mobile Offshore Units Operating on the Norwegian Continental Shelf, N-Notation GUIDE FOR MOBILE OFFSHORE UNITS OPERATING ON THE NORWEGIAN CONTINENTAL SHELF, N-NOTATION NOVEMBER 2013 (Updated February 2014 see next page) American Bureau of Shipping Incorporated by Act of Legislature of the

2、 State of New York 1862 Copyright 2013 American Bureau of Shipping ABS Plaza 16855 Northchase Drive Houston, TX 77060 USA Updates February 2014 consolidation includes: November 2013 version plus Corrigenda/Editorials ABSGUIDE FOR MOBILE OFFSHORE UNITS OPERATING ON THE NORWEGIAN CONTINENTAL SHELF, N-

3、NOTATION .2013 iii Foreword Foreword (1 November 2013) This Guide documents the classification related technical requirements for compliance with the verification obligations associated with the operation of mobile offshore units on the Norwegian Continental Shelf (NCS). It also provides information

4、 related to an application for an Acknowledgement of Compliance (AoC) which is mandatory for units intended for operation on the Norwegian Continental Shelf (NCS). ABS has been appointed as a Recognized Organization (RO) for Mobile Offshore Units by the Norwegian Maritime Authority (NMA) and thereby

5、 authorized to perform on its behalf technical verification, inspection and surveys for the delegated items concerning Mobile Offshore Units which are or will be registered in a Norwegian Ship Register. Irrespective of flag, for the purpose of this Guide, Appendix 1 (as applicable) and the relevant

6、parts of the delegated items (see Appendix 2) will form part of the technical verification permitted by Chapter 1 Section 3 of the Framework Regulationsto contribute towards the application for an AoC. It is to be noted that the NMA references in this Guide do not imply full compliance with Norwegia

7、n Flag regulatory requirements. The Guide describes NCS-related services provided by ABS for the following types of mobile offshore units and systems: Drilling Units Floating Production Storage and Offloading Units Hydrocarbon Production and Process Facilities Drilling Systems Accommodation Units We

8、ll Intervention Units Helicopter Decks Cranes and Lifting Appliances The Guide contains the following three Chapters: Conditions of Classification Verification Methodology N-Notations This Guide becomes effective on the first day of the month of publication. Users are advised to check periodically o

9、n the ABS website www.eagle.org to verify that this version of this Guide is the most current. We welcome your feedback. Comments or suggestions can be sent electronically by email to 0Hrsdeagle.org. iv ABSGUIDE FOR MOBILE OFFSHORE UNITS OPERATING ON THE NORWEGIAN CONTINENTAL SHELF, N-NOTATION .2013

10、 Table of Contents GUIDE FOR MOBILE OFFSHORE UNITS OPERATING ON THE NORWEGIAN CONTINENTAL SHELF, N-NOTATION CONTENTS CHAPTER 1 Conditions of Classification 1 Section 1 Scope and Conditions of Classification . 2 CHAPTER 2 Verification Methodology . 7 Section 1 Basis and Procedures 8 CHAPTER 3 N-Notat

11、ions . 12 Section 1 Mobile Offshore Drilling Units 15 Section 2 Mobile Offshore Production Units 20 Section 3 Drilling Systems . 27 Section 4 Accommodation Units 30 Section 5 Well Intervention Units . 35 Section 6 Helidecks 40 Section 7 Cranes and Lifting Appliances . 42 APPENDIX 1 Additional PSA Re

12、quirements . 44 APPENDIX 2 Extract Applicable NMA Technical Delegated Items 48 APPENDIX 3 Existing Units, N-Notation Compliance 52 ABSGUIDE FOR MOBILE OFFSHORE UNITS OPERATING ON THE NORWEGIAN CONTINENTAL SHELF, N-NOTATION .2013 1 Chapter 1: Conditions of Classification CHAPTER 1 Conditions of Class

13、ification CONTENTS SECTION 1 Scope and Conditions of Classification . 2 1 Classification . 2 3 Class Notation . 2 3.1 ABS N-Notation . 2 3.3 Systems Not Built Under Survey . 2 5 Rules for Classification . 3 5.1 Application . 3 5.3 Scope 3 5.5 Effective Date of Change of Requirement . 3 7 Norwegian R

14、egulations and Other Standards 4 9 Submission of Plans . 4 9.1 Hull Plans 4 9.3 Machinery Plans 4 9.5 System Plans 4 11 Abbreviations and Definitions . 4 11.1 Abbreviations . 4 11.3 Definitions 5 2 ABSGUIDE FOR MOBILE OFFSHORE UNITS OPERATING ON THE NORWEGIAN CONTINENTAL SHELF, N-NOTATION .2013 Sect

15、ion 1: Scope and Conditions of Classification CHAPTER 1 Conditions of Classification SECTION 1 Scope and Conditions of Classification 1 Classification The term classification, as used herein, indicates that a mobile offshore unit, operating on the Norwegian Continental Shelf (NCS), has been designed

16、, constructed, installed and surveyed in compliance with this Guide, applicable existing ABS Rules and Guides or other acceptable standards. General principles and procedures related to classification covered in this Guide are stated in the applicable ABS Rules. The continuance of classification is

17、dependent on the fulfillment of requirements for surveys after construction. According to the Norwegian Petroleum Act, the Owner is fully responsible for verification activities to ensure that operation of units and systems are in compliance with the applicable regulatory requirements. Therefore, th

18、e ultimate responsibility for shutting down operations beyond the limit specified in unit and system design basis does not rest upon the ABS Classification Committee. 3 Class Notation 3.1 ABS N-Notation (1 February 2012) Classification requirements given in this Guide are supplementary to the latest

19、 edition of the ABS Rules and Guides referenced in 1-1/5.1. For the unit to receive the (N) notation, the design is to be verified as being in accordance with the applicable ABS Rules and/or Guides and the additional requirements outlined in this Guide. Additionally, mobile offshore units awarded th

20、e N-notation are to maintain compliance with the applicable standards contained in the latest edition of the PSA Regulations, their associated guidelines and the standards referenced in the AoC Handbook. The design verification undertaken by ABS will determine the units compliance with the technical

21、 requirements contained in the relevant Rules, standards and regulations as applicable. The Class requirements contained herein are to apply to all systems covered by the N-Notation. Additionally, 2-1/Table 3 and Appendix 1 must be applied. Unless the Owner requests additional compliance, drilling o

22、r production facilities will be subject to NORSOK standards. However, in order to verify that safety of the unit is not impaired, ABS is to review the effect of these systems on the surrounding structures, equipment and hazardous area designation. It is recommended that the drilling or production sy

23、stem is classed to avoid any difficulties that the interfaces between plant and vessel may create. Mobile offshore units for operation on the Norwegian Continental Shelf, that have been built to the satisfaction of the ABS Surveyors to the applicable requirements of this Guide, where approved by the

24、 ABS Classification Committee for service for the specified design environmental conditions, may be classed and distinguished in the ABS Record by the symbols A1, followed by the appropriate notation and the (N) notation, for example, A1 Column-Stabilized Drilling Unit (N). The N-Notations for mobil

25、e offshore units and systems are referenced in subsequent Chapters of this Guide. 3.3 Systems Not Built Under Survey Mobile offshore units which have not been built under survey to ABS, but which are submitted for classification, will be subjected to a special classification survey. Where found sati

26、sfactory and thereafter approved by the Committee, they will be classed and distinguished in the Record by the symbols and special notations as described in this Guide, but the mark signifying survey during construction will be omitted. Chapter 1 Conditions of Classification Section 1 Scope and Cond

27、itions of Classification 1-1 ABSGUIDE FOR MOBILE OFFSHORE UNITS OPERATING ON THE NORWEGIAN CONTINENTAL SHELF, N-NOTATION .2013 3 5 Rules for Classification 5.1 Application (1 November 2013) This Guide is intended for use in conjunction with the ABS: Rules for Building and Classing Mobile Offshore Dr

28、illing Units (MODU Rules), Rules for Building and Classing Floating Production Installations (FPI Rules), Rules for Building and Classing Facilities on Offshore Installations (Facilities Rules), Rules for Building and Classing Offshore Support Vessels (OSV Rules) Guide for the Classification of Dril

29、ling Systems (CDS Guide), Guide for Certification of Lifting Appliances, Guide for Building and Classing Mobile Offshore Units Guide for the Class Notation Helicopter Decks and Facilities (HELIDK and HELIDK(SRF) or Other applicable ABS Rules and Guides. The application of this Guide is, in general,

30、based on the contract date for construction between the builder and the prospective Owner. For existing Units, Appendix 3 should be applied. 5.3 Scope (1 November 2013) This Guide covers the safety aspects of the mobile offshore unit operating on NCS, and provides assistance to the Owner for AoC app

31、lication or for a “Request for Consent to Operate” for the following types of mobile offshore units: Accommodation Units Drilling Units Production Storage/Offloading Units (FPSO and FPDSO) Units Storage Offloading Units (for Consent to Operate) Well Intervention Units and the following types of indu

32、strial systems, facilities or equipment: Drilling Systems Production Facilities Helidecks Cranes and Lifting Appliances Note: The AoC scheme is mandatory for all types of mobile units except for the floating storage offloading units, which may be subject to a “Request for Consent to Operate”. Other

33、types of mobile offshore units not included in the above categories are to be treated on an individual basis and be assigned an appropriate classification designation similar to the above format. It is to be noted that the drilling systems and the production facilities are to go through the process

34、of verification for the N-Notation. 5.5 Effective Date of Change of Requirement 5.5.1 Effective Date This Guide and subsequent changes to this Guide are to become effective on the date specified by ABS. In general, the effective date is not less than six months from the date on which the Guide is pu

35、blished and released for its use. However, ABS may bring into force the Guide or individual changes before that date, if necessary or appropriate. Chapter 1 Conditions of Classification Section 1 Scope and Conditions of Classification 1-1 4 ABSGUIDE FOR MOBILE OFFSHORE UNITS OPERATING ON THE NORWEGI

36、AN CONTINENTAL SHELF, N-NOTATION .2013 5.5.2 Implementation of Rule Changes In general, until the effective date, plan approval for designs will follow prior practice unless review under the latest Rules is specifically requested by the party signatory to the application for classification. The date

37、 of “contract for construction” of a mobile offshore unit is the date on which the contract to build the unit is signed between the prospective Owner and the shipbuilder. The date and the construction numbers (i.e., hull numbers) of all the units included in the contract are required to be indicated

38、 on the form, “Application of Request for Classification”. If the signed contract for construction is amended to change the unit type, the date of “contract for construction” of this modified unit, or units, is the date on which the revised contract or a new contract is signed between the Owner, or

39、Owners, and the shipbuilder. 7 Norwegian Regulations and Other Standards While this Guide covers the requirements for the classification of mobile offshore units operating on NCS, the attention of Owners, designers and builders is directed to the requirements of the Norwegian regulations and other s

40、tandards that are over and above the classification requirements. 9 Submission of Plans Subsequent Chapters in this Guide identify requirements for typical mobile offshore units and industrial systems that will be part of the classification and verification process for respective N-Notation. Upon sa

41、tisfactory completion of all of the required engineering and survey processes, ABS will issue the Classification Certificate to the operating mobile offshore unit, including the N-Notation. 9.1 Hull Plans (1 November 2013) Hull plans showing the scantlings, arrangements, and details of the principal

42、 parts of the hull structure of each mobile offshore unit to be built under survey are to be submitted and approved before construction is commenced. These plans are to clearly indicate the scantlings and details of welding, and they are to include such particulars as the design draft and design spe

43、ed. Where provision is to be made for any special type of cargo or for any exceptional conditions of loading, whether in ballast or with cargo, particulars of the weights to be carried and of their distribution are also to be given. 9.3 Machinery Plans Machinery plans showing the boilers, main engin

44、es, reduction gears, etc., also machinery general arrangement, installation and equipment plans as referenced in the applicable Rules, are to be submitted and approved before proceeding with the work. 9.5 System Plans In most cases, manufacturers component and system related drawings, calculations a

45、nd documentation would be required for submittal to substantiate the design of the systems and their equipment. In these cases, upon satisfactory completion of ABS review of the manufacturers submittal, ABS Engineers will issue a review letter. This letter, in conjunction with the submitted package,

46、 will be used and referenced during surveys and subsequently issued reports by attending ABS Surveyors. 11 Abbreviations and Definitions 11.1 Abbreviations (1 November 2013) Abbreviations used in this Guide are as follows: ABS American Bureau of Shipping AoC Acknowledgement of Compliance EEA Europea

47、n Economic Area Chapter 1 Conditions of Classification Section 1 Scope and Conditions of Classification 1-1 ABSGUIDE FOR MOBILE OFFSHORE UNITS OPERATING ON THE NORWEGIAN CONTINENTAL SHELF, N-NOTATION .2013 5 EU European Union HES Health Environment and Safety IACS International Association of Classi

48、fication Societies MOU Mobile Offshore Unit MODU Mobile Offshore Drilling Unit MOPU Mobile Offshore Production Unit NBH Norwegian Board of Health NCS Norwegian Continental Shelf NMA Norwegian Maritime Authority NPD Norwegian Petroleum Directorate NSA Norwegian Shipowners Association NOGA Norwegian O

49、il and Gas Association PSA Petroleum Safety Authority SFT Norwegian Pollution Control Authority SoC Statement of Compliance 11.3 Definitions (1 November 2013) Definitions used in this Guide are as follows: Acknowledgements of Compliance (AoC) An Acknowledgement of Compliance is a decision made by the Petroleum Safety Authority (PSA) that the technical condition of a Mobile Offshore Unit (MOU) and the applicants organization and management systems are considered to be in compliance with relevant requirements in Nor