Section 2 Longitudinal strength
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 6 Tankers of Types C and N - Section 2 Longitudinal strength

Section 2 Longitudinal strength

Parent topic: Chapter 6 Tankers of Types C and N

2.1 Longitudinal strength requirements

2.1.1 The longitudinal strength is to comply with the requirements of Pt 3, Ch 4 Longitudinal Strength. and for this purpose, these ships are, in general, to be considered as Category ‘T’ ships. For this purpose, the design bending moments of Category ‘T’ ships may be determined using the formulae in Pt 3, Ch 4, 5 Design bending moments.

2.1.2 If the ship is to be loaded or discharged, according to the loading/discharge sequence ‘O’ or equivalent in view of service commitments, the longitudinal strength is to be based on the requirements for Category ‘O’ ships.

2.1.3 The longitudinal strength may be based on a defined loading/discharge sequence ‘D’ in accordance with Pt 3, Ch 4, 2.3 Longitudinal strength categories 2.3.1.

2.1.4 The longitudinal strength may also be based on ‘Specified non-uniform loading conditions’ in addition to the loading/discharge sequence ‘T’ or ‘O’ as applicable, in accordance with Pt 3, Ch 4, 2.4 Specified non-uniform loading conditions 2.4.1.

2.1.5 The Society reserves the right to require verification by direct calculation for any of the design bending moments calculated in accordance with the above.

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