Section 5 Ship Event Analysis
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 3 Design Principles and Constructional Arrangements - Chapter 6 Structural Procedures for the Design, Construction and Lifetime Care of Ships - Section 5 Ship Event Analysis

Section 5 Ship Event Analysis

Parent topic: Chapter 6 Structural Procedures for the Design, Construction and Lifetime Care of Ships

5.1 Ship Event Analysis – Class notations SEA(HSS-n), SEA(VDR), SEA(VDR-n)

5.1.1 At the Owner’s request, and in order to enhance safety and awareness on board during ship operation, provisions can be made for the following systems:

  1. A hull surveillance system that monitors the hull girder stresses and motions of the ship and warns the ship’s personnel that these levels or the frequency and magnitude of slamming motions are approaching a level where corrective action is advisable.

  2. A voyage data recorder system that can record the ship’s control, navigational, operational and hull response information. This information is recorded and stored in a protective containment unit to enable the analysis of any marine or other incidents.

5.1.2 Where a hull surveillance system is fitted the class notation SEA(HSS-n) will be assigned. Where a voyage data recorder system is fitted the class notation SEA(VDR) or SEA(VDR-n) will be assigned. The extension -n signifies the number of fitted strain gauges connected to the system. The appropriate class notation(s) will be entered in column 6 of the Register Book, see also Vol 1, Pt 1, Ch 2, 3.9 Machinery and Engineering Systems notations 3.9.5 of the Rules for Ships.

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