Rules for Building and Classing Marine Vessels (MVR)


The consolidation of the rules vary by each part as follows:

 

Part 1 – Conditions of Classification

The ABS Rules for Conditions of Classification was formerly composed of a “generic” Part 1 booklet that applied to many Rules and Guides, plus Supplement Part 1 booklets in each Rule or Guide that contain the specific requirements for classification of the specific vessel type. All of the Part 1 booklets have been combined into a single Part 1 with each of the Supplements becoming a Chapter.

Part 2 – Materials and Welding

Formerly the Materials and Welding requirements were presented in three volumes:

  1. Chapters 1‐4, which deal with steel construction,
  2. Chapters 5‐6, which deal with Aluminum and Fiber Reinforced Plastics respectively and
  3. Supplementary Requirements for Naval Vessels. Because the Supplementary Requirements for Naval Vessels are applicable only to High Speed Naval Craft, they are being left as a stand‐alone volume.

Chapters 1‐4 and Chapters 5‐6 have been combined into a single volume used by both the Marine and Offshore consolidated Rules.

Part 3 – Hull Construction

The SVR, U90M and OSV Rule hull construction requirements have been consolidated into a single Part. Unlike the largely editorial revisions to the Generic Rules (Parts 1, 2 & 7), this Part has substantial organizational revisions.

Part 4 – Vessel Systems and Machinery

As for Part 3 the System and Machinery requirements of the SVR, U90M and OSV Rules have been consolidated into a single Part. This Part has substantial organizational revisions.

Part 5A&5B – IACS Common Structural Rules for Bulk Carriers and Oil Tankers

These Rule Parts are ABS’ incorporation of the IACS CSR. The incorporation of the CSR, including the relationship to the other parts of the ABS Rules are indicated in the Forward of this booklet. No changes have been made and they remain in two volumes.

Part 5C – Specific Vessel Types, Steel Vessels

These are the Specialized Vessel Types currently covered by the Steel Vessel Rules. Chapter 1-6 and Chapter 7-12 are in separate volumes.

Part 5D – Specific Vessel Types, Offshore Support Vessels for Specialized Services

These are the Specialized Vessel types currently covered by the Offshore Support Vessel and Steel Vessels under 90m Rules.

Part 6 – Optional Items and Systems

This Part correlates to the current Part 6 of the Steel Vessel Rules. Only minor editorial revisions have been made.

Part 7 – Surveys After Construction

This was already a Generic Rule referenced by the SVR, U90M and OSV Rules hence only minor editorial revisions have been made.