Ships and marine technology — Single point mooring arrangements for conventional tankers

ISO 17907:2014 specifies the technical requirements and test methods for the equipment necessary for the ships intended to use single point mooring (hereinafter referred to as "SPM") arrangements, such as bow chain stoppers, bow fairleads, and pedestal rollers. ISO 17907:2014 is applicable to the SPM arrangements provided for tankers, gas carriers, and chemical vessels.

Navires et technologie marine — Emplacements pour point d'amarrage unique pour les navires-citernes conventionnels

General Information

Status
Published
Publication Date
29-Oct-2014
Current Stage
9093 - International Standard confirmed
Completion Date
21-Aug-2022
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ISO 17907:2014 - Ships and marine technology -- Single point mooring arrangements for conventional tankers
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INTERNATIONAL ISO
STANDARD 17907
First edition
2014-11-01
Ships and marine technology — Single
point mooring arrangements for
conventional tankers
Navires et technologie marine — Emplacements pour point
d’amarrage unique pour les navires-citernes conventionnels
Reference number
ISO 17907:2014(E)
©
ISO 2014

---------------------- Page: 1 ----------------------
ISO 17907:2014(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2014
All rights reserved. Unless otherwise specified, 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
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO 2014 – All rights reserved

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ISO 17907:2014(E)

Contents Page
Foreword .iv
1 Scope . 1
2 Technical requirements . 1
2.1 Design arrangement of SPM arrangements for tankers . 1
2.2 Configuration and design manufacturing requirements for SPM arrangements
for tankers . 3
3 Test method . 4
3.1 Bow chain stoppers . 4
3.2 Bow fairleads . 5
3.3 Pedestal rollers . 6
4 Markings . 7
Annex A (informative) Types and dimensions of chain stoppers . 8
Annex B (informative) Types and dimensions of fairleads .11
Annex C (informative) Types and dimensions of pedestal rollers .12
© ISO 2014 – All rights reserved iii

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ISO 17907:2014(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 on the meaning of ISO specific terms and expressions related to conformity
assessment, as well as information about ISO’s adherence to the WTO principles in the Technical Barriers
to Trade (TBT) see the following URL: Foreword - Supplementary information
The committee responsible for this document ISO/TC 8, Ships and marine technology, Subcommittee
SC 4, Outfitting and deck machinery.
iv © ISO 2014 – All rights reserved

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INTERNATIONAL STANDARD ISO 17907:2014(E)
Ships and marine technology — Single point mooring
arrangements for conventional tankers
1 Scope
This International Standard specifies the technical requirements and test methods for the equipment
necessary for the ships intended to use single point mooring (hereinafter referred to as “SPM”)
arrangements, such as bow chain stoppers, bow fairleads, and pedestal rollers.
This International Standard is applicable to the SPM arrangements provided for tankers, gas carriers,
and chemical vessels.
2 Technical requirements
2.1 Design arrangement of SPM arrangements for tankers
The general design arrangement is given in Figure 1 and Figure 2.
2
1
3
5

137 mm
4
2.7 m̚3.7 m
Key
1 centreline of chain parallel to deck
2 bow chain stopper
3 bow fairlead
4 to pedestal roller or direct to winch storage drum
5 half breadth of chain
Figure 1 — General arrangement of SPM arrangements for tankers
© ISO 2014 – All rights reserved 1

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ISO 17907:2014(E)

5
3

2
4
1
6
a) Installed with one bow chain stopper
6
2
4
3
1
5
5
3
1
6
b) Installed with two bow chain stoppers
Key
1 direct to winch storage drum without pedestal rollers
2 not less than 3 m from aft side of bow chain stopper
3 bow chain stopper
4 distance between fairlead and front side of the bow chain stopper is 2,7 m~3,7 m
5 bow fairlead
6 to winch storage drum via pedestal rollers
Figure 2 — General arrangement of SPM arrangements for tankers installed with different
stoppers
2 © ISO 2014 – All rights reserved
2,0 m̚3,0 m

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ISO 17907:2014(E)

2.2 Configuration and design manufacturing requirements for SPM arrangements for
tankers
2.2.1 Bow chain stoppers
a) The configuration and load requirements are given in Table 1.
Table 1 — Configuration and load requirements of chain stoppers
Minimum safe working load
Number of bow chain
Ship size (SWL)
stoppers
(t)
100 000 tonnes DWT or less
1 200
(Two chain stoppers can also be installed on the
ship of such size)
Over 100 000 but not greater than 150 000 tonnes
DWT
1 250
(Two chain stoppers can also be installed on the
ship of such size)
Over 150 000 tonnes DWT 2 350
NOTE The safety factor on yield of bow chain stoppers should be minimum of 2,0 SWL.
b) The general types of bow chain stoppers are given in Annex A.
c) In the closed position, the design shall be such that it can prevent chafe chains from throw-out due
to the sudden re
...

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