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[Table of Contents] Ch.1: Introduction

DNV-OS-E303 Offshore Mooring Fibre Ropes


Printable Version

DNV-OS-E303

Offshore Mooring Fibre Ropes

October 2010


CHANGES

General

This document supersedes DNV-OS-E303, October 2008.

Main changes in October 2010:

Definitions of terms have been updated.
This standard now presents three certificate formats, ropes for Long-Term -, ropes for Mobile Moorings and one for thimbles.
Approval of Manufacturer schemes for fibre rope manufacturers and load bearing yarn manufacturers are introduced.
Testing procedure for load bearing yarns is introduced
The structure of each chapter is reorganized in order to separate the applicable requirements to long term mooring and. mobile mooring. The scope of testing for mobile mooring is brought in line with ISO 18962, whilst for long term moorings the principle of application of specific mooring systems performance is reinforced.
Rules for hardware (thimbles) have been clarified.
Testing methods, which are subject to approval, have been removed from Ch.2 Sec.3.
The previous Appendixes A, B, C and D on 'Fibre rope stretch and stiffness', 'Measuring and Expressing the Rope Change-in-Length Properties', 'Change-in-length test methods for long-term mooring' and 'Quality review report' have been removed.
The term 'soil barrier' is replaced by 'filter', as this is the commonly used term in other standards.
Added a new Appendix A containing 'scope of survey' for fibre-rope production.

[Table of Contents] Ch.1: Introduction