DNV-OS-H205 Lifting Operations (VMO Standard - Part 2-5)

1 OFFSHORE STANDARDDET NORSKE VERITAS ASThe electronic pdf version of this document found through is the officially binding versionDNV-OS- h205 Lifting Operations (VMO Standard - part 2-5)APRIL 2014 Det Norske Veritas AS April 2014 Any comments may be sent by e-mail to service document has been prepared based on available knowledge, technology and/or information at the time of issuance of this document, and is believed to reflect the best ofcontemporary technology. The use of this document by others than DNV is at the user's sole risk. DNV does not accept any liability or responsibility for loss or damages resulting fromany use of this is a global provider of knowledge for managing risk.

2 Today, safe and responsible business conduct is both a licenseto operate and a competitive advantage. Our core competence is to identify, assess, and advise on risk management. Fromour leading position in certification, classification, verification, and training, we develop and apply standards and bestpractices. This helps our customers safely and responsibly improve their business performance. DNV is an independentorganisation with dedicated risk professionals in more than 100 countries, with the purpose of safeguarding life, propertyand the service documents consist of among others the following types of documents: Service Specifications.

3 Procedural requirements. standards . Technical requirements. Recommended Practices. standards and Recommended Practices are offered within the following areas:A) Qualification, Quality and Safety MethodologyB) Materials TechnologyC) StructuresD) SystemsE) Special FacilitiesF) Pipelines and RisersG) Asset OperationH) Marine OperationsJ) Cleaner EnergyO) Subsea SystemsU) Unconventional Oil & GasDET NORSKE VERITAS AS Offshore Standard DNV-OS-H205 , April 2014 CHANGES CURRENT Page 3 CHANGES CURRENTG eneralThis document supersedes DNV Rules for Planning and Execution of Marine Operations , (1996/2000) Text affected by the main changes in this edition is highlighted in red colour.

4 However, if the changes involveDet Norske Veritas AS, company registration number 945 748 931, has on 27th November 2013 changed itsname to DNV GL AS. For further information, see Any reference in this document to Det Norske Veritas AS or DNV shall therefore also be a reference to DNV GL AS .a whole chapter, section or sub-section, normally only the title will be in red is a new document in a series of documents replacing the DNV Rules for Planning and Execution ofMarine Operations (1996/2000). Extensive revisions and/or amendments have been made, with the followingmain changes: Section 2 General Requirements is new, combining new content with some original text from Section 5of the previous Rules.

5 Lifting of objects weighing less than 50 t has been included, with factors/text updated addition to the above stated main changes, editorial corrections may have been correctionsDET NORSKE VERITAS AS Offshore Standard DNV-OS-H205 , April 2014 Contents Page 4 CONTENTSCHANGES CURRENT .. 3 Sec. 51 Application .. and conditions .. 52 References .. and cross references .. 53 Terminology and definitions .. and abbreviations .. 7 Sec. 2 General 91 Planning and .. 92 Crane and crane vessel .. vessel documentation .. 93 Operational aspects .. of lift.

6 Of Lifting of seafastening .. 13 Sec. 3 Loads .. 151 Basic loads .. and centre of of rigging .. loads .. 152 Dynamic effects .. amplification factor .. 163 Skew loads .. tolerance of object .. hook geometry .. loads for two-hook lifts .. loads for multi-hook slings .. of lifted object single hook lift .. 204 Loadcases and analysis of .. loadcase and force distribution .. loadcases .. 22 Sec. 4 Lifting equipment .. 231 Slings and grommets .. and construction .. breaking load of steel wire rope .. breaking load of fibre safety use.

7 And of 27 DET NORSKE VERITAS AS Offshore Standard DNV-OS-H205 , April 2014 Contents Page .. of slings and 282 Shackles .. working load .. considerations and practical use .. and testing .. of shackles .. 303 Other Lifting equipment .. working load (SWL) .. and internal Lifting tools .. 31 Sec. 5 Structures .. 331 Design .. factors base case .. factors alternatives .. Lifting object .. and guides .. lay-down and securing .. seafastening and grillage .. 352 Fabrication and inspection .. and fabrication .. 36 Sec. 6 Yard lifts.

8 371 General .. 372 Loads .. and CoG .. loads .. loads .. loads .. loads .. 383 Lifting equipment .. and .. 384 Structures .. loads .. 386 Operational aspects .. tracks .. and 39 App. A Lift 40 App. B Padeye calculations .. 42 DET NORSKE VERITAS AS Offshore Standard DNV-OS-H205 , April 2014 Introduction Page 6 SECTION 1 Application This Standard provides specific guidance and recommendations for Engineered onshore, inshore andoffshore Lifting Operations , conducted both in air and sub-sea, see [ ].Guidance note: Engineered refers to lifts that are planned, designed and performed according to requirements in DNV-OS-H101, specially prepared and Weight limitations (upper or lower bound) are not specified herein, however, requirements in otherstandards and local/international regulations may be relevant and governing, for objects with lower weights(typically less than 50 tonnes) and for Operations involving routine lifts.

9 Guidance note: Routine lifts are considered everyday lifts, without specific supporting documentation; lifts associated withgeneral cargo carrying or portable units from/to supply vessels, minor erection lifts on construction yards, etc. Forsuch lifts higher safety factors may be applicable to compensate the lack of detailed engineering. However, routinelifts are not covered in this Complementary DNV offshore standards covering marine Operations , DNV-OS-H101, DNV-OS-H102 and DNV-OS-H201 to DNV-OS-H206, are collectively referred to as the VMO note:The VMO Standard supersedes and replaces DNV - Rules for Planning and Execution of Marine Operations .

10 Seealso Table For sub-sea Lifting relevant parts of DNV-OS-H206 shall be The sea transportation phase for lifted objects and Lifting equipment is covered in General recommendations for planning, loads and design of marine Operations are given in DNV-OS-H101 and Objectives and The objectives of this Standard are stated in DNV-OS-H101, The general conditions for use of this Standard are stated in DNV-OS-H101, Sec. 1 Numbering and cross Table 1-1 defines the numbering system used throughout this Standard , in comparison with thatadopted in some of the DNV-H series of offshore standards , published to date.