Section 4 Deck structure
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Ships, July 2022 - Part 4 Ship Structures (Ship Types) - Chapter 6 Trawlers and Fishing Vessels - Section 4 Deck structure

Section 4 Deck structure

Parent topic: Chapter 6 Trawlers and Fishing Vessels

4.1 Deck plating

4.1.1 The thickness of deck plating is to be not less than that required by Pt 4, Ch 1, 4 Deck structure. Under the trawl winch, windlass, mast, centre and side bollards and gallows, the plating thickness is to be not less than:

t = (0,04L + 7,5) mm

where L is to be taken not less than 30 m.

4.1.2 When a raised deck is fitted, adequate scarfing is to be arranged at the step.

4.2 Factory deck beams

4.2.1 The section modulus of the beams of factory decks under fish handling spaces is to be not less than that required by Table 1.4.5 Strength/weather, cargo and accommodation deck beams in Pt 4, Ch 1 General Cargo Ships, with h 2 equal to 2 m, but extra strengthening may be required in way of heavy items of machinery or equipment.

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