Section 4 Bow and stern thrust unit structure
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Inland Waterways Ships, July 2022 - Part 3 Ship Structures (General) - Chapter 12 Ship Control Systems - Section 4 Bow and stern thrust unit structure

Section 4 Bow and stern thrust unit structure

Parent topic: Chapter 12 Ship Control Systems

4.1 Unit wall thickness

4.1.1 The wall thickness of the unit is, in general, to be in accordance with the manufacturer’s practice, but is to be not less than either the thickness of the surrounding shell plating plus 10 per cent or 9 mm, whichever is greater.

4.2 Framing

4.2.1 The unit is to be framed to the same standard as the surrounding shell plating.

4.2.2 The unit is to be adequately supported and stiffened.

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