The American Bureau of Shipping on July 1st, 2023 published the Rules for Building and Classing Steel Vessels for Service on Rivers and Intracoastal Waterways (Parts 3 and 4).
These Rules are valid for vessels having lengths not exceeding 30 times their depth, and breadths not exceeding 6 times their depth. Vessels with other proportions will be specially considered.
![](https://www.marineregulations.news/content/images/2023/07/4-river-rules-jul23-pdf.jpg)
If you need more information, please visit the ABS Rules and Guides page, where the document is available FOR FREE.
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