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DNVGL-ST-E407

Rope based deployment and recovery systems for designated service

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Organization: DNVGL
Publication Date: 1 September 2019
Status: active
Page Count: 56
scope:

This standard covers rope based deployment and recovery systems that are integrated by defining the adequate acceptance criteria for delivery and the adequate designated service limits:

- The deployment and recovery system shall meet the acceptance criteria at hand-over.

- The use of the deployment and recovery system shall not exceed the designated service limits.

It addresses the reliable performance of integrated deployment and recovery systems that are mounted on a vessel or a floating unit with the main purpose of placing or removing objects underwater.

Conventional and innovative solutions are treated equally by this standard because of the required assurance of functions.

The documentation shall be presented as an assurance case for the reliability of the integrated deployment and recovery system when in use. The documentation requirements cover the system integration and the component systems with their engineering dimensioning, materials, and methods of manufacture and testing; all of which shall be verified with respect to the designated service.

This standard can also be used for integrated deployment and recovery systems that operate in air or from a fixed platform.

This standard does not cover equipment or devices in the lifted mass, or the subsea tool. However, lifted mass, suspended mass, added mass and drag will influence system response and will have to be considered in order to derive load cases.

Guidance note:

The subsea tool and connection elements should be managed with the same goal of assuring reliability and associated safety as inferred from this standard.

Document History

DNVGL-ST-E407
September 1, 2019
Rope based deployment and recovery systems for designated service
This standard covers rope based deployment and recovery systems that are integrated by defining the adequate acceptance criteria for delivery and the adequate designated service limits: — The...
March 1, 2016
Rope based deployment and recovery systems for designated service
This standard covers rope based deployment and recovery systems that are integrated by defining the adequate acceptance criteria for delivery and the adequate limits of designated service: The...
March 1, 2016
Rope based deployment and recovery systems for designated service
Reliable functionality The safety and reliability of operations depend on having equipment, devices and facilities that function as intended. This standard provides the structure for assuring that...

References

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