Section 3 Cargo pressure tanks independent of the ship’s 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 4 Ship Structures (Ship Types) - Chapter 5 Tankers of Type G - Section 3 Cargo pressure tanks independent of the ship’s structure

Section 3 Cargo pressure tanks independent of the ship’s structure

Parent topic: Chapter 5 Tankers of Type G

3.1 General

3.1.1 Cargo tanks are to be constructed as pressure vessels according to the requirements of Pt 5, Ch 9 Pressure Vessels other than Boilers. Proposals for non-cylindrical types of cargo tanks, complying with the requirements of Pt 4, Ch 5, 1.2 Ship arrangement 1.2.2 andPt 4, Ch 5, 1.2 Ship arrangement 1.2.3, will receive special consideration.

3.1.2 The cargo tanks are to be placed below the continuous upper deck or trunk and are to be provided with domes, which are to be carried through the respective deck to a height of at least 0,5 m above the deck. The arrangement for the passage of the domes through the deck should allow for free movement of the tank and be such that no liquids or gas can enter into the ship.

3.1.3 Tank domes are to be arranged in about the same longitudinal position as the fixed bearer with a view to minimize relative movement between domes and deck structure.

3.1.4 Further requirements for cargo tanks and their placement in the ship are given in Pt 4, Ch 4, 3.2 Hold spaces, cargo tanks and service spaces and Pt 4, Ch 4, 3.5 Special requirements for Type G tankers.

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