Section 7 Classification of ship with *IWS notation
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Naval Ships, January 2023 - Volume 1 Ship Structures - Part 1 Regulations - Chapter 2 Classification Regulations - Section 7 Classification of ship with *IWS notation

Section 7 Classification of ship with *IWS notation

Parent topic: Chapter 2 Classification Regulations

7.1 General

7.1.1 Where the *IWS class notation for In-water Survey is requested, application should be made to the vessel’s Naval Classification Liaison in writing with evidence of the Owner’s agreement.

7.1.2 Where the *IWS notation is to be assigned, protection of the underwater portion of the hull is to be provided by means of a suitable high resistance paint applied in accordance with the manufacturer’s requirements. Details of the high resistance paint are to be submitted for information in accordance with Ch 15 Corrosion Prevention of the Rules for the Manufacture, Testing and Certification of Materials, July 2022.

7.2 Appraisal and records

7.2.1 To facilitate survey and compilation of classification records, the following plans and particulars are to be submitted to LR for appraisal and information.

  1. Details of how the rudder pintle and bush clearances are to be measured and how the security of the pintles in their sockets is to be verified with the ship afloat.

  2. Details showing how stern bush clearances are to be measured with the ship afloat.

  3. Details of high resistance paint, for information only.

7.2.2 Where the *IWS notation is assigned, approved plans and particulars covering the items detailed in Vol 1, Pt 1, Ch 2, 7.2 Appraisal and records 7.2.1 are to be placed on board.

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