Ships and marine technology — Design, location and use of shipboard safety signs, safety-related signs, safety notices and safety markings — Part 3: Code of practice

ISO 24409-3:2014 is intended to provide for the consistent use of shipboard safety and fire control plan signs, guidance on their location and size, and for the use of appropriate graphical symbols and supplementary text to furnish additional directional information. ISO 24409-3:2014 does not apply to low-location lighting systems (or components of such systems) which are covered in ISO 15370.

Navires et technologie maritime — Conception, emplacement et utilisation des signaux de sécurité, signaux relatifs à la sécurité, notes de sécurité et marquages de sécurité à bord des navires — Partie 3: Code de bonne pratique

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Status
Published
Publication Date
15-Jan-2014
Current Stage
9093 - International Standard confirmed
Start Date
13-Jun-2019
Completion Date
13-Jun-2019
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INTERNATIONAL ISO
STANDARD 24409-3
First edition
2014-01-15
Ships and marine technology —
Design, location and use of shipboard
safety signs, safety-related signs,
safety notices and safety markings —
Part 3:
Code of practice
Navires et technologie maritime — Conception, emplacement et
utilisation des signaux de sécurité, signaux relatifs à la sécurité, notes
de sécurité et marquages de sécurité à bord des navires —
Partie 3: Code de bonne pratique
Reference number
ISO 24409-3:2014(E)
ISO 2014
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ISO 24409-3:2014(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

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Published in Switzerland
ii © ISO 2014 – All rights reserved
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ISO 24409-3:2014(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Escape route signing system .................................................................................................................................................................... 3

4.1 General ........................................................................................................................................................................................................... 3

4.2 Planning ........................................................................................................................................................................................................ 3

4.3 Familiarization ........................................................................................................................................................................................ 4

4.4 Marking of means of escape ........................................................................................................................................................ 4

4.5 Marking of assembly stations and embarkation stations .................................................................................. 5

4.6 Location of escape route signs .................................................................................................................................................. 5

4.7 Use of directional arrows ............................................................................................................................................................... 6

4.8 Mounting height ..................................................................................................................................................................................... 6

4.9 Mimic signs ................................................................................................................................................................................................. 6

4.10 Marking of means of escape for mobility impaired people .............................................................................. 7

5 Fire-fighting equipment and life-saving appliances signing system ..............................................................7

6 Fire control plan signing system .......................................................................................................................................................... 7

7 Illumination and photometric properties of phosphorescent signs ..............................................................8

8 Sign size and viewing distance ............................................................................................................................................................... 8

9 Installation of signs ........................................................................................................................................................................................... 8

10 Documentation of safety signing system ..................................................................................................................................... 8

11 Inspection and maintenance of signs .............................................................................................................................................. 9

Annex A (informative) Illustrative examples of signing applications .............................................................................10

Bibliography .............................................................................................................................................................................................................................19

© ISO 2014 – All rights reserved iii
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ISO 24409-3:2014(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 is ISO/TC 8, Ships and marine technology, Subcommittee

SC 1, Lifesaving and fire protection.

ISO 24409 consists of the following parts, under the general title Ships and marine technology — Design,

location and use of shipboard safety signs, safety-related signs, safety notices and safety markings:

— Part 1: Design principles
— Part 2: Catalogue
— Part 3: Code of practice
iv © ISO 2014 – All rights reserved
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ISO 24409-3:2014(E)
Introduction

The growth of international travel by ship and the variety of work on offshore installations have created

a need to provide people travelling and working on-board ships and other marine installations with

signs and associated systems that communicate consistent and effective safety information. This part of

ISO 24409 specifies a system of signs on ships and other marine installations that is generally consistent

with standardized systems of signs with which many will have gained familiarity in other applications.

As such, this part of ISO 24409 clarifies and supplements existing requirements set out in SOLAS

regulations II-2/13.3.2.5.1, II-2/13.1.3, II-2/13.7.1.1, II-2/13.7.2, III/8, III/9, III/11.5, III/20.10, and

ISO 17631.

This part of ISO 24409 is intended to improve the safety of passengers and crew on board ships and

marine installations by providing guidance on the signing of escape routes, including the use of arrows

to provide directional information, and in so doing to assist in orientation and in the description of

the planned escape process to passengers and crew. In addition, it provides guidance in signing of the

location and instructions for the use of fire-fighting equipment and life-saving equipment.

This part of ISO 24409 does not specify if and when escape route signs will be required. However, it

has been assumed in the drafting of this part of ISO 24409 that its execution will be entrusted to a

competent person familiar with the relevant regulatory requirements. This part of ISO 24409 is

also intended for use by regulatory authorities to assist in judging compliance with appropriate IMO

regulations and resolutions. It should be noted that the signing of escape routes comprises only a part of

the management of means of escape. Many other considerations have to be taken into account, including

the requirements of people with special needs, in order to establish a safe evacuation procedure.

This part of ISO 24409 reflects best practice; the illustrations reflect a system designed to provide the

optimum amount of information to clearly identify the location and direction of the means of escape from

any location within a ship, or offshore installation, to the assembly stations and appropriate survival

craft embarkation stations. However, as shown in examples, by the use of supplementary text, escape

route signing can also have a role to play in the management of a ship in non-emergency situations.

© ISO 2014 – All rights reserved v
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INTERNATIONAL STANDARD ISO 24409-3:2014(E)
Ships and marine technology — Design, location and use of
shipboard safety signs, safety-related signs, safety notices
and safety markings —
Part 3:
Code of practice
1 Scope

This part of ISO 24409 is intended to provide for the consistent use of shipboard safety and fire control

plan signs, guidance on their location and size, and for the use of appropriate graphical symbols and

supplementary text to furnish additional directional information. This part of ISO 24409 does not apply

to low-location lighting systems (or components of such systems) which are covered in ISO 15370.

2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and are

indispensable for its application. For dated references, only the edition cited applies. For undated

references, the latest edition of the referenced document (including any amendments) applies.

ISO 15370, Ships and marine technology — Low-location lighting (LLL) on passenger ships — Arrangement

ISO 17398, Safety colours and safety signs — Classification, performance and durability of safety signs

ISO 17631, Ships and marine technology — Shipboard plans for fire protection, life-saving appliances and

means of escape

ISO 24409-1, Ships and marine technology — Design, location and use of shipboard safety signs, safety-

related signs, safety notices and safety markings — Part 1: Design principles

ISO 24409-2, Ships and marine technology — Design, location and use of shipboard safety signs, safety-

related signs, safety notices and safety markings — Part 2: Catalogue

International Convention for the Safety of Life at Sea, 1974 (SOLAS 1974), as amended

International Maritime Organization, International Code for Fire Safety Systems (FSS Code)

3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO 24409-1 and ISO 24409-2 and

the following apply.
3.1
assembly station
muster station

designated internal or external space where persons are gathered in the event of an emergency

3.2
assembly station symbol

sign MES001 given in ISO 24409-2 used to identify assembly stations and which may be combined

with supplementary arrow to give directional information and/or supplementary text to increase

comprehension, as appropriate
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ISO 24409-3:2014(E)
3.3
assembly station plan
evacuation and abandon ship plan

plan, approved by the competent authority, which shows the location and the arrangement of passenger

and crew assembly stations, the passenger cabins assigned to them, if any, the escape routes to get from

them to the assigned survival craft, as applicable to the ship or offshore installation

Note 1 to entry: The above information may be included in the means of escape plan.

3.4
competent authority

administration whose flag the ship is entitled to fly, or an organization authorized by an administration

to perform functions on its behalf
3.5
embarkation station
designated area where survival craft are boarded
3.6
escape route

route forming part of the means of escape from any place on-board a ship to a designated assembly

station or embarkation station
3.7
escape route sign

exit, assembly station, or embarkation station sign with appropriate directional arrow used to guide

people along escape routes to a designated assembly station or embarkation station

3.8
escape route signing system
comprehensive layout of escape route signs
3.9
exit

doorway or other suitable opening lying on the perimeter of a space and part of the means of escape

from such space
3.10
exit sign

signs MES002 and MES003 given in ISO 24409-2 used to identify exits and which may be combined

with supplementary arrow and/or text, as appropriate, to give directional information or to increase

comprehension on the use of the means of escape
3.11
fire control plan

plan, approved by the competent authority, to be done for the guidance of the ship’s officers, showing

clearly for each deck the structural fire divisions provided for the ship, or installation, and the

arrangements relevant to the fire detection and fire alarms systems, the fire extinguishing appliances,

systems and equipment, the means of escape, and the arrangements provided for the fire protection of

the ventilation systems
3.12
life-saving appliances plan

plan, approved by the competent authority, which lists and shows the location and the arrangement of

the life-saving appliances provided for the ship
3.13
means of escape

doorways, corridors, stairways forming an escape route the dimensions of which are calculated in

accordance with the prescriptions of the FSS Code and SOLAS ’74
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ISO 24409-3:2014(E)
3.14
means of escape plan

plan, approved by the competent authority, which provides prescriptions for the on-board arrangements

in accordance with the requirements set out by the FSS Code and SOLAS ’74

Note 1 to entry: The elements of a means of escape plan are defined in ISO 17631, including an example in

ISO 17631, Annex B.
3.15
survival craft

craft capable of sustaining the lives of persons in distress from the time of abandoning the ship

4 Escape route signing system
4.1 General

4.1.1 The objective of the escape route signing system is to ensure that from any space within a ship or

other marine installation, a sign or series of signs is provided and placed so that a person is directed along

an escape route toward an assembly station or embarkation station, as applicable.

4.1.2 The signing system should be designed based on the means of escape plan, assembly station plan,

and life-saving appliances plan, as applicable. The operational needs of the ship in its management should

also be considered.
4.2 Planning

4.2.1 The signing system should provide simple identification of the means of escape provisions to

allow people to escape with minimum assistance. It should avoid possible points of confusion and, in

particular, give no cause for hesitation or need for decision-making amongst alternatives. People escaping

should be provided with clear, unambiguous directions from any place in the ship throughout the escape

route to the assembly stations and/or embarkation stations.

4.2.2 The following areas should be taken into account in planning and designing escape route signing

systems:

a) siting and nature of all designated means of escape, in particular, noting stairway enclosures, escape

ladders, and hatches;
b) relative conspicuousness of escape routes;
c) position of all doors and other exits sited along escape routes;
d) escape from public spaces or open decks;

e) provision of other systems (if any), such as low-location lighting or audible devices, to assist in

wayfinding in the event of an emergency evacuation;

f) type and positioning of ambient lights and lighting levels within the ship under both normal

conditions (such as entertainment areas which may have low lighting levels as part of normal

operation) and emergency lighting conditions;

g) location and lighting of any other signs, architectural features, decor, or barriers that could conceal

or divert attention from an escape route sign;

EXAMPLE A duty free store, for instance, may have many signs which compete for the viewer’s attention.

h) dead ends that may exist along escape routes are to be identified to avoid persons taking the wrong

route in an emergency situation;
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ISO 24409-3:2014(E)
i) type, height, and architectural design of ceilings.
4.3 Familiarization
4.3.1 General

Information regarding signs and the signing system should be made available (for example, by

information video, mimic signs, leaflets, public address system, etc.) to familiarize the crew and the

passengers, in accordance with relevant regulations and requirements.
4.3.2 Orientation within the ship

4.3.2.1 Numbering of decks should be consistent with and should reflect the numbering in the ship’s

safety plans. The deck numbers should be prominently displayed at stair landings and lift lobbies. Decks

may also be named, but the deck number should always be displayed with the name. See Figure A.3.

It is recommended that all decks be sequentially numbered, e.g. starting with “1” at the tank top or

lowest deck and then upwards; or with “1” at the bulkhead deck and upwards, and from it downwards.

In this latter case, the decks below the bulkhead deck may be identified by negative numbers (e.g. −1, −2,

−3, etc.) or by letters (e.g. A, B, C, etc.), again from top to bottom.

4.3.2.2 All embarkation stations for the survival craft, and the relevant survival craft, should be

sequentially numbered from fore to aft. Odd numbers should be used for the starboard side and even

numbers for the port side.

4.3.2.3 All assembly stations should be sequentially lettered, starting with “A”, from fore to aft. In case

they are located on the same deck but on both sides of the ship, then they should be sequentially lettered

from starboard side to port side. Should an assembly station span more than one deck, then the notation

may be by assembly station letter and deck number, e.g. A3, A4, and A5 for the assembly station A spanning

on decks 3, 4, and 5. Should assembly stations be located on more than one deck, then they should be

lettered from bottom to top.
4.4 Marking of means of escape
4.4.1 Exit doors and hatches from machinery spaces, service space
...

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