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DNVGL-OS-E401

Helicopter decks

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Organization: DNVGL
Publication Date: 1 July 2019
Status: active
Page Count: 20
scope:

The scope of this standard covers requirements for material and structural strength of the helicopter deck and support structure.

Governmental and flag state regulations, e.g. SOLAS or MODU code, may include requirements in excess of the provisions of this standard.

Guidance note:

Requirements to unit safety, helicopter safety, refuelling and hangar facilities are given in DNVGL-RU-SHIP Pt.6 Ch.5 Sec.5.

NMD Helicopter deck regulations as applicable on Norwegian shelf are provided in DNVGL-SI-0166 Ch.2 Sec.10.

Document History

DNV-OS-E401
July 1, 2022
Helicopter decks
The scope of this standard covers requirements for material and structural strength of the helicopter deck and support structure. Governmental and flag state regulations, e.g. SOLAS or MODU code,...
DNVGL-OS-E401
July 1, 2019
Helicopter decks
The scope of this standard covers requirements for material and structural strength of the helicopter deck and support structure. Governmental and flag state regulations, e.g. SOLAS or MODU code,...
DNV-OS-E401
July 1, 2019
Helicopter decks
The scope of this standard covers requirements for material and structural strength of the helicopter deck and support structure. Governmental and flag state regulations, e.g. SOLAS or MODU code,...
DNVGL-OS-E401
January 1, 2017
Helicopter decks
The scope of this standard covers requirements for material and structural strength of the helicopter deck and support structure. Governmental and flag state regulations, e.g. SOLAS or MODU code,...
DNV-OS-E401
July 1, 2015
Helicopter Decks
A description is not available for this item.
DNVGL-OS-E401
July 1, 2015
Helicopter decks
A description is not available for this item.
DNV-OS-E401
April 1, 2012
Helicopter Decks
General This standard is intended to provide requirements and guidance to the design of helicopter decks constructed in steel or aluminium, for mobile offshore units (MOUs), or offshore...
DNV-OS-E401
April 1, 2011
HELICOPTER DECKS
General This standard is intended to provide requirements and guidance to the design of helicopter decks constructed in steel or aluminium, for mobile offshore units (MOUs), or offshore...
DNV-OS-E401
October 1, 2008
HELICOPTER DECKS
General This standard is intended to provide requirements and guidance to the design of helicopter decks constructed in steel or aluminium for any unit or installation intended for offshore use....
DNV-OS-E401
October 1, 2008
HELICOPTER DECKS
General This standard is intended to provide requirements and guidance to the design of helicopter decks constructed in steel or aluminium for any unit or installation intended for offshore use....
DNV-OS-E401
March 1, 2001
Helicopter Decks
A description is not available for this item.
DNV-OS-E401
March 1, 2001
Helicopter Decks
A description is not available for this item.
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References

This document references:
DNV-CG-0128 - Buckling
December 1, 2023
The following bucking and ULS calculation methodologies are defined in this guideline: — closed form method (CFM), see Sec.3 [2] to Sec.3 [4] — closed form method (CFM) for struts, pillars,...
This document references:
DNV-OS-C101 - Structural design of offshore units
July 1, 2023
The scope of this standard is to provide principles, technical requirements and guidance for structural design of floating offshore units made of steel. Load and resistence factor design (LRFD) and...
This document references:
DNV-OS-C401 - Fabrication and testing of offshore structures
July 1, 2023
The standard has been written for general world-wide application. Governmental regulations may include requirements in excess of the provisions by this standard depending on the size, type, location...
This document references:
DNV-RP-C205 - Environmental conditions and environmental loads
September 1, 2019
This recommended practice gives guidance for modelling, analysis and prediction of environmental conditions, and guidance for calculating environmental loads acting on marine structures. The most...
This document references:
DNVGL-RP-C203 - Fatigue design of offshore steel structures
Published by DNVGL on September 1, 2019
This recommended practice gives methods for fatigue analyses based on S-N data from testing for the following steel structures and components: — Fixed and floating steel structures used for...
This document is referenced by:
DNVGL-RU-OU-0102 - Floating production, storage and loading units
Published by DNVGL on July 1, 2020
This document covers classification of mobile offshore Units of the following structural design types: — ship-shaped type — column-stabilised type — self-elevating type — cylindrical type —...
This document is referenced by:
DNVGL-RU-OU-0103 - Floating LNG/LPG production, storage and loading units
Published by DNVGL on July 1, 2020
These rules cover Classification of floating offshore objects for the following services: — LNG/LPG production — LNG/LPG storage and offloading — LNG/LPG loading (buoy). Although this document refers...
This document is referenced by:
DNVGL-OS-A201 - Winterization for cold climate operations
Published by DNVGL on July 1, 2019
The scope of the standard is to provide general principles for preparation of mobile units and offshore installations intended for operations in cold climate conditions. It covers functions, systems...
This document is referenced by:
DNVGL-OS-C102 - Structural design of offshore ship-shaped units
Published by DNVGL on July 1, 2020
Scope and applications This standard covers the following ship-shaped units constructed in steel: — production and storage (FPSO/FLNG/FSO) — drilling — well intervention for the following structural...
This document is referenced by:
DNV-RU-OU-0101 - Offshore drilling and support units
July 1, 2023
Scope and application This document covers classification of mobile offshore units of the following structural design types: — ship-shaped units — column-stabilised units — cylindrical units for the...
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