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DNVGL-RP-C104

Self-elevating units

active, Most Current
Organization: DNVGL
Publication Date: 1 July 2015
Status: active
Page Count: 103
scope:

Introduction

This recommended practice (RP) presents recommendations for the strength analyses of main structures of self-elevating units.

The design principles, overall requirements, and guidelines for the structural design of self-elevating units are given in the DNV GL offshore standards:

- DNVGL-OS-C101 Design of offshore steel structures, general - LRFD method /1/.

- DNVGL-OS-C104 Structural design of self-elevating units - LRFD method /2/.

- DNVGL-OS-C201 Design of offshore units - WSD method /3/.

The above standards refer to two safety formats:

- LRFD = load and resistance factor design method. See [1.5].

- WSD = working stress design method. See [1.6].

The selected safety format must be followed for all components of the considered self-elevating unit, for example one can not use one safety format for the legs and another for the hull structure.

The units are normally designed to serve at least one of the following functions:

- production

- drilling

- accommodation

- special services (e.g. support vessel, windmill installation vessel, etc.).

Document History

DNVGL-RP-C104
July 1, 2015
Self-elevating units
Introduction This recommended practice (RP) presents recommendations for the strength analyses of main structures of self-elevating units. The design principles, overall requirements, and...
July 1, 2015
Self-elevating Units
A description is not available for this item.
November 1, 2012
Self-elevating Units
FOREWORD  DNV is a global provider of knowledge for managing risk. Today, safe and responsible business conduct is both a license to operate and a competitive advantage. Our core competence is to...
January 1, 2012
Self-elevating Units
FOREWORD DET NORSKE VERITAS (DNV) is an autonomous and independent foundation with the objectives of safeguarding life, property and the environment, at sea and onshore. DNV undertakes...
April 1, 2011
SELF-ELEVATING UNITS
FOREWORD DET NORSKE VERITAS (DNV) is an autonomous and independent foundation with the objectives of safeguarding life, property and the environment, at sea and onshore. DNV undertakes...

References

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