Ships and marine technology — Hopper dredger supervisory and control systems

This document specifies the components and structure, general requirements, and functional requirements of trailing suction hopper dredger supervisory and control systems. It is applicable only to the installed components, functions or systems. It covers design, manufacture and modification.

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General Information

Status
Published
Publication Date
05-Jan-2020
Current Stage
6060 - International Standard published
Start Date
06-Jan-2020
Due Date
13-May-2019
Completion Date
06-Jan-2020
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ISO 20662:2020 - Ships and marine technology -- Hopper dredger supervisory and control systems
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INTERNATIONAL ISO
STANDARD 20662
First edition
2020-01
Ships and marine technology —
Hopper dredger supervisory and
control systems
Reference number
ISO 20662:2020(E)
©
ISO 2020

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ISO 20662:2020(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved

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ISO 20662:2020(E)

Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms, definitions and abbreviated terms . 1
3.1 Terms and definitions . 1
3.2 Abbreviated terms . 2
4 Components and structure . 2
4.1 Components . 2
4.2 Structure . 3
5 General requirements . 3
5.1 Operating position and control mode . 3
5.1.1 Operating position . 3
5.1.2 Control mode. 3
5.2 External communication . 3
5.3 Diagnostic . 3
5.4 HMI graphics . 4
5.4.1 Alarm level . 4
5.4.2 Conventions on graphic colours . 4
5.4.3 Brightness of the HMI . 4
6 Functional requirements . 4
6.1 STPM/STWC . 4
6.1.1 Preset . 4
6.1.2 Operation . 5
6.1.3 Controller . 5
6.1.4 Display . 5
6.1.5 Alarm. 5
6.1.6 Calibration . 5
6.2 DSLS . 5
6.2.1 Preset . 5
6.2.2 Operation . 6
6.2.3 Controller . 6
6.2.4 Display . 6
6.2.5 Alarm. 6
6.2.6 Calibration . 6
6.3 Unloading system . 6
6.3.1 Preset . 6
6.3.2 Operation . 6
6.3.3 Display . 7
6.3.4 Alarm. 7
6.4 Dredge pump system . 7
6.4.1 Operation . 7
6.4.2 Controller . 7
6.4.3 Display . 7
6.4.4 Alarm. 7
6.5 Jet water system . 8
6.5.1 Preset . 8
6.5.2 Operation . 8
6.5.3 Display . 8
6.5.4 Alarm. 8
6.6 Dredge valve system . 8
6.6.1 Preset . 8
© ISO 2020 – All rights reserved iii

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ISO 20662:2020(E)

6.6.2 Operation . 8
6.6.3 Display . 8
6.6.4 Alarm. 9
iv © ISO 2020 – All rights reserved

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ISO 20662:2020(E)

Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/
iso/ foreword .html.
This document was prepared by Technical Committee ISO/TC 8, Ships and marine technology.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www .iso .org/ members .html.
© ISO 2020 – All rights reserved v

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ISO 20662:2020(E)

Introduction
This document describes the supervisory and control system for a number of components, functions
and systems that can, but do not have to, be installed on board of a hopper dredger. It does not prescribe
that all described components, functions and systems need to be installed.
vi © ISO 2020 – All rights reserved

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INTERNATIONAL STANDARD ISO 20662:2020(E)
Ships and marine technology — Hopper
...

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