Rental ski shop practice -- Sampling and inspection of complete and incomplete alpine ski-binding-boot systems in rental applications

This document specifies a uniform method for the sampling and inspection of complete and incomplete alpine ski-binding-boot systems used in rental operations. This document is intended for any facility which rents complete and incomplete alpine ski-binding-boot systems as for example when the skier owns the boots. This document is not applicable for alpine touring ski-binding-boot systems. This document is not applicable for complete and incomplete alpine ski-binding-boot systems which are rented for 15 days or more. NOTE 1 A period of less than 15 days is common for equipment being rented. NOTE 2 ISO 11088 gives a method for testing if the equipment is owned or rented for 15 days or more.

Pratique pour la location dans les commerces de matériel de ski —Échantillonnage et contrôle des ensembles complets ou incomplets ski/fixation/chaussure dans les applications de location

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Status
Published
Publication Date
04-Mar-2019
Current Stage
6060 - International Standard published
Start Date
12-Feb-2019
Completion Date
05-Mar-2019
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ISO 13993:2019 - Rental ski shop practice -- Sampling and inspection of complete and incomplete alpine ski-binding-boot systems in rental applications
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INTERNATIONAL ISO
STANDARD 13993
Second edition
2019-03
Rental ski shop practice — Sampling
and inspection of complete and
incomplete alpine ski-binding-boot
systems in rental applications
Pratique pour la location dans les commerces de matériel de ski —
Échantillonnage et contrôle des ensembles complets ou incomplets
ski/fixation/chaussure dans les applications de location
Reference number
ISO 13993:2019(E)
ISO 2019
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ISO 13993:2019(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2019

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.
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Email: copyright@iso.org
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Published in Switzerland
ii © ISO 2019 – All rights reserved
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ISO 13993:2019(E)
Contents Page

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

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

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

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

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

4 Range classes ............................................................................................................................................................................................................ 4

5 Summary of practice ......................................................................................................................................................................................... 4

6 Equipment inspection requirements .............................................................................................................................................. 6

6.1 Preseason inspection ......................................................................................................................................................................... 6

6.2 In-season inspection .......................................................................................................................................................................... 7

6.3 System inspection of incomplete ski-binding-boot system used with customer

owned components ............................................................................................................................................................................. 7

7 Sampling requirements ................................................................................................................................................................................. 8

7.1 Sample size ................................................................................................................................................................................................. 8

7.2 Sampling frequency and handling deviations .............................................................................................................. 8

8 Sampling and inspection procedures ............................................................................................................................................. 9

8.1 Preseason check ..................................................................................................................................................................................... 9

8.1.1 General...................................................................................................................................................................................... 9

8.1.2 Boot inspection ................................................................................................................................................................. 9

8.1.3 Boot evaluation ..............................................................................................................................................................10

8.1.4 Binding inspection ......................................................................................................................................................10

8.1.5 Binding evaluation ......................................................................................................................................................10

8.2 In-season routine sampling and inspection ................................................................................................................11

8.2.1 General...................................................................................................................................................................................11

8.2.2 Preconditioning for sample inspection .....................................................................................................11

8.2.3 Sample inspection ........................................................................................................................................................11

8.2.4 Evaluation ...........................................................................................................................................................................11

9 Report ...........................................................................................................................................................................................................................11

Annex A (normative) Functional and release test requirements ........................................................................................13

Annex B (informative) Range class I deviations and sample sizes .....................................................................................15

Bibliography ............................................................................................................................................................................................................................16

© ISO 2019 – All rights reserved iii
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ISO 13993:2019(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 83, Sports and other recreational facilities

and equipment, Subcommittee SC 4, Snowsports equipment.

This second edition cancels and replaces the first edition (ISO 13993:2001), which has been technically

revised.
The main changes compared to the previous edition are as follows:
a) the range classes are presented in a new Clause 4;
b) a new Clause 5 has been added with summary of practice;

c) the difference between preseason inspection and in-season inspection has been clarified (see

Clause 6);

d) a new simplified pre-season inspection has been added for certain combinations of equipment in

the inventory where at least one component is unused (see 6.1);
e) sampling requirements have been specified in Clause 7;
f) the test for elastic travel and recentring in A.1.1 has been simplified;
g) a new Annex B has been added for range class I deviations and sample sizes;

h) terms and definitions in Clause 3 have been revised and new terms have been added where

appropriate;
i) normative references in Clause 2 have been updated;
j) the text has been editorially revised.

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.
iv © ISO 2019 – All rights reserved
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ISO 13993:2019(E)
Introduction

This document is intended to provide guidelines for performing functional inspections and adjustments

of alpine ski-binding-boot systems. Adhering to these guidelines may help to reduce the risk of injuries

resulting from improper mechanical functioning of releasable binding systems. However, skiing

involves inherent and other risks. Injury can result from simply falling down, impact with an object

or from many other actions. Many injuries are unrelated to binding function. Furthermore, even a

properly functioning binding cannot release under all injury-producing loads. Therefore, it is clarified

that compliance with these guidelines in no way guarantees that injury can be prevented.

© ISO 2019 – All rights reserved v
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INTERNATIONAL STANDARD ISO 13993:2019(E)
Rental ski shop practice — Sampling and inspection of
complete and incomplete alpine ski-binding-boot systems
in rental applications
1 Scope

This document specifies a uniform method for the sampling and inspection of complete and incomplete

alpine ski-binding-boot systems used in rental operations.

This document is intended for any facility which rents complete and incomplete alpine ski-binding-boot

systems as for example when the skier owns the boots.
This document is not applicable for alpine touring ski-binding-boot systems.

This document is not applicable for complete and incomplete alpine ski-binding-boot systems which are

rented for 15 days or more.
NOTE 1 A period of less than 15 days is common for equipment being rented.

NOTE 2 ISO 11088 gives a method for testing if the equipment is owned or rented for 15 days or more.

2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

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

ISO 5355, Alpine ski-boots — Requirements and test methods

ISO 11088:2018, Alpine ski/binding/boot (S-B-B) system — Assembly, adjustment and inspection

ISO 11110, Winter-sports equipment — Test devices for the setting of the functional unit ski/boot/

binding — Requirements and tests
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— IEC Electropedia: available at https: //www .electropedia .org/
— ISO Online browsing platform: available at https: //www .iso .org/obp
3.1
system

one ski, one boot and one binding, designed to perform a retention and a release function

3.2
complete ski-binding-boot-system

ski-binding-boot-system where all the components are provided by the rental facility

3.3
incomplete ski-binding-boot system

ski-binding-boot system where some components (boot or ski/binding) are owned by the customer

© ISO 2019 – All rights reserved 1
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ISO 13993:2019(E)
3.4
system binding
binding that is slid onto a pre-mounted or integrated track without drilling
3.5
pre-mounted binding
binding that is already mounted on the ski before being delivered to the shop
3.6
interchangeable

applies to the free exchange of boots within a rental inventory without testing each new combination of

system components
3.7
non-interchangeable

applies to the establishment of specific binding-boot combinations tested each time a new combination

is created
3.8
reference binding
unit that is typical of the bindings in the rental inventory
3.9
reference boot
boot that is typical of the boots in the rental inventory
Note 1 to entry: For requirements, see A.1.3.
3.10
manufacturer pre-mounted

combination of new skis and new bindings provided by the original equipment manufacturer that is

ready to be fitted to boots
3.11
sealed

protected from damage by the original packaging of the manufacturer during transportation

3.12
indicator setting
setting displayed on the binding's release adjustment scale
3.13
initial indicator setting

release indicator setting derived from the binding manufacturer's adjustment chart

Note 1 to entry: The adjustment chart is based on ISO 11088:2018, Table B.1.
3.14
measured release moment
release value determined by the use of a specified test device

Note 1 to entry: For the purposes of this document, the different types of test devices are defined in Annex A.

3.15
test result
median quantitative value of three repetitions of the same test
3.16
selected reference moment
nominal release moment supplied by the binding or test device manufacturer

Note 1 to entry: The range for the nominal release moment is derived from ISO 8061.

2 © ISO 2019 – All rights reserved
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ISO 13993:2019(E)

Note 2 to entry: In the case where an algorithm or a table is used to provide reference moments, either value may

be used. Any difference in values is usually insignificant.
3.17
accepted inspection tolerance

maximum difference between the measured release moment (3.14) and the selected individual release

limited for M and M to the release moments
Z Y

Note 1 to entry: The theoretical limits for M with ± 15 % or ± 3 Nm (whichever is higher) and M with ± 15 %

Z Y

or ± 10 Nm (whichever is higher) are the base for making Table B.1. The long experience shows that using the

table values avoids many errors and is easier to explain to customers.

Note 2 to entry: The release moments are given in ISO 11088:2018, Table B.1, one line above/below of the

reference moments.
3.18
correction value

value added to or subtracted from the initial indicator setting to bring the test result within the accepted

inspection tolerance (3.17)
3.19
accepted re-adjustment tolerance

maximum difference between the measured release moment (3.14) at the initial indicator setting (3.13)

and the selected individual release moment, limited for M and M to the release moments

Z Y

Note 1 to entry: The theoretical limits for M with ± 30 % or ± 6 Nm (whichever is higher) and M with ± 30 %

Z Y

or ± 20 Nm (whichever is higher) are the base for making Table B.1. The long experience shows that using the

table values avoids many errors and is easier to explain to customers.

Note 2 to entry: The release moments are given in ISO 11088:2018, Table B.1, one line above/below of the

reference moments.
3.20
lubricated binding test
release test where the binding-boot-interfaces are lubricated
Note 1 to entry: Lubrication for example by liquid dish soap.
3.21
troubleshooting

binding manufacturer's recommendations or procedures for analysing system failure

3.22
corrective action

procedure other than readjustment of the indicator setting to include repair or replacement of system

components
3.23
rental skier day
number of rental skiers processed through a ski rental facility in a 24 h-period
3.24
random sample

sample for which each component (preseason) or system (in-season) has an equal chance to be selected

3.25
deviation

difference between the measured release moment and the selected reference moment,

expressed as a percentage of the selected reference moment
© ISO 2019 – All rights reserved 3
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ISO 13993:2019(E)
3.26
rental operation
providing a ski-binding-boot-system to a customer
3.27
seasonal rental
period of time of 15 days or more for which skiing equipment is rented
3.28
test device

tool to measure release moments of ski-binding-boot systems and that is according to

ISO 11110
3.29
release

detachment of the boot from the ski by release of the mechanism that ensures the connection between

boot and ski

Note 1 to entry: This release is only considered effective when all the loads due to the boot/ski connection have

dropped to values which present no danger to the skier.
[SOURCE: ISO 9462:2014, 3.2]
4 Range classes

Range class I = accepted re-adjustment tolerance (see 3.19), ISO 11088:2018, Table B.1, two lines above/

below of the selected reference moments. Range class I for children bindings with a reference moment

M of 20 Nm shall be treated as accepted inspection tolerance (see 3.17).

NOTE Range class I represents the range of acceptable values when a system is evaluated after having been

used by the customer.

Range class II = maximum difference between the measured release moment (see 3.14) at the initial

indicator setting (see 3.13) and the selected reference moment (see 3.16), limited for M and M to the

Z Y

release moments stated in ISO 11088:2018, Table B.1, three lines above/below of the selected reference

moments.

Range class III = maximum difference between the measured release moment (see 3.14) at the initial

indicator setting (see 3.13) and the selected reference moment (see 3.16), is more than three lines

above/below of the selected reference moments in ISO 11088:2018, Table B.1.
5 Summary of practice
5.1 Figure 1 gives an overview of the rental procedure.

5.2 Prior to the beginning of each season, boots and bindings shall be inspected for compatibility and

interchangeability using a test device.
4 © ISO 2019 – All rights reserved
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ISO 13993:2019(E)

5.3 At specified intervals throughout the operating season, samples shall be taken from the rental

inventory and inspected. Test results shall be used to determine sampling frequency and prompt

corrective action when specified tolerances are exceeded.
Figure 1 — Overview for the rental procedure
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ISO 13993:2019(E)
6 Equipment inspection requirements
6.1 Preseason inspection

6.1.1 Prior to the beginning of the season and whenever new rental inventory is added, an inspection

shall be made according to Table 1. Components that do not meet the specified tolerances shall be

repaired, modified or replaced.
Table 1 — Test procedures for interchangeable systems
NEW manufacturer pre-mounted (3.10) or NEW All USED bindings or NEW but not
sealed (3.11) system bindings (3.4) pre-mounted bindings and plates
The sample of bindings shall be tested with a reference
Bindings
boot according to 6.1.7.
Inspection according to 6.1.7.
Reduced sample size according to 7.1.1 to 7.1.3.
NEW USED
Boots
Inspection according to 6.1.2 and
Inspection according to 6.1.2 and 6.1.3.
6.1.4

6.1.2 A visual inspection for compatibility and interchangeability shall be performed on all boots in

accordance with procedures recommended by the binding or boot manufacturer.

6.1.3 As a check on boots in the rental inventory, a single system sample, by make, model and size, shall

be taken and tested in accordance with Clause 8. If a boot generates a deviation other than the accepted

inspection tolerance according to Clause 4, all boots in the category shall be visually inspected and as

a check, a 16 system (or less if 16 systems are not available) random sample shall be taken and tested

in accordance with Clause 8. If any boot in this sample generates a deviation other than the inspection

tolerance according to Clause 4, all remaining boots in the category shall be tested.

6.1.4 As a check on boots that have been accepted into the rental inventory in a prior season, a 5 % (not

less than 16 nor more than 80 systems) sample shall be taken and tested in accordance with Clause 8.

If a boot generates a deviation other th
...

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