Section 2 Rudders
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Offshore Units, July 2022 - Part 4 Steel Unit Structures - Chapter 10 Steering and Control Systems - Section 2 Rudders

Section 2 Rudders

Parent topic: Chapter 10 Steering and Control Systems

2.1 General

2.1.1 Requirements for rudders are given in Pt 3, Ch 13, 2 Rudders of the Rules and Regulations for the Classification of Ships (hereinafter referred to as the Rules for Ships), which should be complied with.

2.1.2 Where an OIWS (In-water Survey) notation is to be assigned, see also Pt 4, Ch 2, 2.4 Ship units and other surface type units, means are to be provided for ascertaining the rudder pintles and bush clearances and for verifying the security of the pintles in their sockets with the unit afloat.

2.1.3 When a ship unit is to be converted and classed as a floating offshore installation and the rudder is inoperative, it is strongly recommended that the rudder be removed to prevent damage to the steering gear in storm conditions.

2.1.4 If the rudder is removed in accordance with Pt 4, Ch 10, 2.1 General 2.1.3, the hull aperture is to be fitted with a suitable blanking plate and sealing arrangements to ensure watertight integrity of the hull. The scantlings and arrangements are to comply with Pt 4, Ch 7 Watertight and Weathertight Integrity and Load Lines.

2.1.5 Where rudders are left in situ on ship units see Pt 5, Ch 19, 1.1 Application 1.1.3.

2.1.6 The machinery and equipment is to be subject to survey in accordance with the requirements of Pt 1, Ch 3 Periodical Survey Regulations.

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