DNV DNV-RU-SHIPS PART 5 CHAPTER 4 PDF

General

The present edition of the rules includes additions and amendments approved by the Executive Committee as of June 2011, and supersedes the January 2011 edition of the same chapter.

The rule changes come into force as indicated below.

Text affected by the main rule changes is highlighted in red colour in the electronic pdf version. However, where the changes involve a whole chapter, section or sub-section, only the title may be in red colour.

This chapter is valid until superseded by a revised chapter. Main changes coming into force 1 July 2011

• General

— At least the same material yield strength as the attached corrugation and Z grade steel is required for connecting plate of vertically corrugated bulkheads without stool.

— For vertically corrugated bulkhead and moulded depth equal to or greater than 16 m, a lower stool is to be fitted.

— Mandatory brackets in line with web of corrugations.

• Sec.2 Materials and Hull Strength

— E200 added. Main changes coming into force 1 January 2012

• Sec.1 and 3

— Removed stability requirements in Sec.3 and documentation requirements to stability in Sec.1.

Corrections and Clarifications

In addition to the above stated rule requirements, a number of corrections and clarifications have been made in the existing rule text.