NR600 Hull structure and arrangement for the classification of cargo ships less than 65 m and non cargo ships less than 90 m

This Rule Note contains the requirements for the determination of the hull scantlings and structure arrangement applicable to cargo ships with length less than 65 m and non-cargo ships with length less than 90 m, built in steel, aluminum, or composite materials. For the purpose of NR600, cargo ships are defines as ships carrying cargoes, having a dead weight greater than 30% of the total displacement, fitted with cargo holds, tanks and ballast tanks and a value of the block coefficient greater than 0,75.

Reference	Contents	Edition
NR600 R08	Hull structure and arrangement for the classification of cargo ships less than 65 m and non-cargo ships less than 90 m	March 2026

Check the list of main changes.

Check other Bureau Veritas rules and guidelines, including:

NR467 Rules for the classification of steel ships
NR216 Rules on materials and welding for the classification of marine units
NR546 Hull in composite materials and plywood, material approval, design principles, construction and survey
NR561 Hull in aluminium alloys, design principles, construction and survey

NR600 Hull structure and arrangement for the classification of cargo ships less than 65 m and non cargo ships less than 90 m

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