NR646 Tentative rules for structural assessment of steel ships

These Rules address requirements for structural assessment of ore carriers, non-CSR oil tankers, FLS tankers, chemical tankers, liquefied gas carriers, passenger ships and general cargos as an alternative to NR467 Rules for Steel Ships and may be used for exploratory assessment of other type of ships.
NR646 may be applied for classification purpose on a voluntary basis in lieu of the applicable edition of NR467 after agreement with the Society.

Reference Title Edition

NR646 Amd002


Jul 2020

NR646 Add001

Addendum - Part D Chapter 11 - passenger ships

Jul 2020

NR646 R00

Tentative rules for structural assessment of steel ships

Sep 2019

Download the consolidated PDF 

Other Bureau Veritas technical documents are available for free download through the Full list of Bureau Veritas Rules, Rule Notes and Guidance Notes, including:

  •   NR467 Rules for the classification of steel Ships

Note: Bureau Veritas may at any time issue corrigenda for any published Rules or Guidance Notes to address errors in the printed and/or electronic editions.