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DNV-OS-C104

Structural design of self-elevating units - LRFD method

active, Most Current
Publication Date: 1 July 2022
Status: active
Page Count: 62
scope:

This standard covers requirements for material and structural strength self-elevating units.

A self-elevating unit is designed to function in a number of modes, e.g. transit, operational and survival. This standard covers design criteria for the following items:

- intact condition, structural strength

- damaged condition, structural strength

- fatigue strength

- accidental damage

- air gap

- overturning stability

- watertight integrity and hydrostatic stability.

Limiting design criteria when going from one mode to another shall be established and clearly documented.

Serviceability (SLS) condition is not covered in this standard.

Structural design covering marine operation sequences is not covered in this standard. Marine operations may be based on DNV-ST-N001.

Flag and shelf state requirements are not covered by this standard.

Guidance note:

Governmental regulations may include requirements in excess of the provisions of this standard depending on the type, location and intended service of the offshore unit or installation. The 100 year return period is used to ensure harmonisation with typical shelf state requirements and the code for the construction and equipment of mobile offshore drilling units (MODU code).

In case of conflict between requirements given in this standard and other DNV documents, the requirements given in this standard prevail.

Document History

DNV-OS-C104
July 1, 2022
Structural design of self-elevating units - LRFD method
This standard covers requirements for material and structural strength self-elevating units. A self-elevating unit is designed to function in a number of modes, e.g. transit, operational and...
July 1, 2019
Structural design of self-elevating units - LRFD method
Scope and application All marine operations shall, as far as practicable, be based upon well-proven principles, techniques, systems and equipment and shall be undertaken by qualified, competent...
July 1, 2019
Structural design of self-elevating units - LRFD method
Scope and application All marine operations shall, as far as practicable, be based upon well-proven principles, techniques, systems and equipment and shall be undertaken by qualified, competent...
July 1, 2017
Structural design of self-elevating units - LRFD method
Scope and application All marine operations shall, as far as practicable, be based upon well-proven principles, techniques, systems and equipment and shall be undertaken by qualified, competent...
January 1, 2017
Structural design of self-elevating units - LRFD method
Scope and application All marine operations shall, as far as practicable, be based upon well-proven principles, techniques, systems and equipment and shall be undertaken by qualified, competent...
April 1, 2016
Structural design of self-elevating units - LRFD method
Scope and application All marine operations shall, as far as practicable, be based upon well-proven principles, techniques, systems and equipment and shall be undertaken by qualified, competent...
July 1, 2015
Structural design of self-elevating units - LRFD method
A description is not available for this item.
October 1, 2014
Structural Design of Self-Elevating Units (LRFD Method)
Scope and application This standard applies to all types of self-elevating units constructed in steel. All marine operations shall, as far as practicable, be based upon well-proven principles,...
July 1, 2014
Structural Design of Self-Elevating Units (LRFD Method)
Scope and application This standard applies to all types of self-elevating units constructed in steel.  All marine operations shall, as far as practicable, be based upon well-proven principles,...
April 1, 2012
STRUCTURAL DESIGN OF SELF-ELEVATING UNITS (LRFD METHOD)
Scope and application This standard applies to all types of self-elevating units constructed in steel. All marine operations shall, as far as practicable, be based upon well-proven principles,...
October 1, 2008
STRUCTURAL DESIGN OF SELF-ELEVATING UNITS (LRFD METHOD)
A description is not available for this item.
October 1, 2008
STRUCTURAL DESIGN OF SELF-ELEVATING UNITS (LRFD METHOD)
This standard applies to all types of self-elevating units constructed in steel. All marine operations shall, as far as practicable, be based upon well-proven principles, techniques, systems and...
October 1, 2004
Structural Design of Self-Elevating Units (LRFD Method)
A description is not available for this item.
October 1, 2004
Structural Design of Self-Elevating Units (LRFD Method)
A description is not available for this item.
January 1, 2001
Structural Design of Self-Elevating Units (LRFD Method)
A description is not available for this item.

References

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