Section 6 Integrated computer control – ICC notation
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Offshore Units, July 2022 - Part 6 Control and Electrical Engineering - Chapter 1 Control Engineering Systems - Section 6 Integrated computer control – ICC notation

Section 6 Integrated computer control – ICC notation

Parent topic: Chapter 1 Control Engineering Systems

6.1 General

6.1.1 Integrated Computer Control class notation ICC may be assigned where an integrated computer system in compliance with Pt 6, Ch 1, 6 Integrated computer control – ICC notation of the Rules and Regulations for the Classification of Ships, July 2022 provides fault tolerant control and monitoring functions for one or more of the following services:
  • Propulsion and auxiliary machinery.
  • Dynamic positioning systems.
  • Positional mooring systems.
  • Ballast systems.
  • Process and utilities.
  • Drilling equipment.
  • Product storage and transfer systems.
  • Pipe-laying systems.

Additions or amendments to these requirements are given in the following paragraph(s) of this sub-Section.

6.1.2  Pt 6, Ch 1, 6.1 General 6.1.3 of the Rules and Regulations for the Classification of Ships, July 2022 is not applicable to offshore units.

6.2 General requirements

6.2.1 The general requirements for integrated computer control systems are given in Pt 6, Ch 1, 6.2 General requirements of the Rules for Ships. Additions or amendments to these requirements are given in the following paragraph(s) of this sub-Section.

6.2.2 The integrated computer control system is to comply with the programmable electronic system requirements of Pt 6, Ch 1, 2.9 Programmable electronic systems – General requirements to Pt 6, Ch 1, 2.13 Programmable electronic systems – Additional requirements for integrated systems and the control and monitoring requirements of the Rules applicable to particular equipment, machinery or systems.

6.2.3 Alarm and indication functions required by Pt 6, Ch 1, 2.4 Safety systems are to be provided by the integrated computer control system in response to the activation of any safety function for associated machinery. Systems providing the safety functions are in general to be independent of the integrated computer system, see also Pt 6, Ch 1, 2.14 Programmable electronic systems – Additional requirements for integrated systems of the Rules for Ships.

6.2.4 Controls are to be provided, in compliance with Pt 6, Ch 1, 2.5 Control systems, general requirements.

6.3 Operator stations

6.3.1 The requirements for the operator stations are given in Pt 6, Ch 1, 6.3 Operator stations of the Rules for Ships, which are to be complied with. Additions or amendments to these requirements are given in the following paragraph(s) of this sub-Section.

6.3.2 Where the integrated computer control system is arranged such that control and monitoring functions may be accessed at more than one operator station, the selected mode of operation of each station (e.g. in control, standby, etc.) is to be clearly indicated, see also Pt 6, Ch 1, 2.2 Control stations for machinery and equipment.

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