Floating leisure articles for use on and in the water - Part 6: Additional specific safety requirements and test methods for Class D devices (ISO 25649-6:2017)

This European Standard is applicable for CLASS D floating leisure articles for use on and in water according to EN 15649-1 regardless whether the buoyancy is achieved by inflation or inherent buoyant material.
This document (EN 15649-6) is applicable with EN 15649-1 and EN 15649-2.

Schwimmende Freizeitartikel zum Gebrauch auf und im Wasser - Teil 6: Zusätzliche besondere sicherheitstechnische Anforderungen und Prüfverfahren für Artikel der Klasse D (ISO 25649-6:2017)

Articles des loisirs flottants à utiliser sur ou dans l'eau - Partie 6 : Exigences de sécurité et méthodes d'essai complémentaires propres aus dispositifs de Classe D (ISO 25649-6:2017)

ISO 25649-6:2017 est applicable aux articles de loisirs flottants de Classe D à utiliser sur ou dans l'eau conformément à l'ISO 25649‑1, dont la flottabilité est assurée par gonflage ou par un matériau ayant une flottabilité propre.
ISO 25649-6:2017 s'applique conjointement à l'ISO 25649‑1 et à l'ISO 25649‑2.
NOTE 1 Produits typiques constituant la Classe D (voir l'Annexe A):
- structures gonflables d'escalade à utiliser sur l'eau;
- plates-formes à rebond;
- toboggans gonflables;
- trampolines aquatiques;
- jeux de bascule;
- courses d'obstacles.
NOTE 2 Lieux d'utilisation typiques:
- piscines;
- lacs, étangs;
- pleine mer;
- bord de mer (pas de vent de terre ni de courant).

Plavajoči pripomočki za prosti čas, ki se uporabljajo na vodi in v njej - 6. del: Dodatne posebne varnostne zahteve in preskusne metode za pripomočke razreda D (ISO 25649-6:2017)

Ta evropski standard se uporablja za plavajoče pripomočke za prosti čas, razvrščene v RAZRED D, ki se uporabljajo na vodi in v njej v skladu s standardom EN 15649-1, ne glede na to, ali je plovnost dosežena z napihovanjem ali plovnim materialom. Ta dokument (EN 15649-6) se uporablja s standardoma EN 15649-1 in EN 15649-2.

General Information

Status
Published
Public Enquiry End Date
29-Mar-2015
Publication Date
21-Nov-2017
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
27-Oct-2017
Due Date
01-Jan-2018
Completion Date
22-Nov-2017

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SLOVENSKI STANDARD
SIST EN ISO 25649-6:2017
01-december-2017
1DGRPHãþD
SIST EN 15649-6:2010+A1:2014

3ODYDMRþLSULSRPRþNL]DSURVWLþDVNLVHXSRUDEOMDMRQDYRGLLQYQMHMGHO

'RGDWQHSRVHEQHYDUQRVWQH]DKWHYHLQSUHVNXVQHPHWRGH]DSULSRPRþNHUD]UHGD
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Floating leisure articles for use on and in the water - Part 6: Additional specific safety

requirements and test methods for Class D devices (ISO 25649-6:2017)
Schwimmende Freizeitartikel zum Gebrauch auf und im Wasser - Teil 6: Zusätzliche

besondere sicherheitstechnische Anforderungen und Prüfverfahren für Artikel der Klasse

D (ISO 25649-6:2017)

Articles des loisirs flottants à utiliser sur ou dans l'eau - Partie 6 : Exigences de sécurité

et méthodes d'essai complémentaires propres aus dispositifs de Classe D (ISO 25649-

6:2017)
Ta slovenski standard je istoveten z: EN ISO 25649-6:2017
ICS:
97.220.40 Oprema za športe na Outdoor and water sports
prostem in vodne športe equipment
SIST EN ISO 25649-6:2017 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN ISO 25649-6:2017
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SIST EN ISO 25649-6:2017
EN ISO 25649-6
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2017
EUROPÄISCHE NORM
ICS 97.220.40 Supersedes EN 15649-6:2009+A1:2013
English Version
Floating leisure articles for use on and in the water - Part
6: Additional specific safety requirements and test
methods for Class D devices (ISO 25649-6:2017)

Articles des loisirs flottants à utiliser sur ou dans l'eau - Schwimmende Freizeitartikel zum Gebrauch auf und

Partie 6: Exigences de sécurité et méthodes d'essai im Wasser - Teil 6: Zusätzliche besondere

complémentaires propres aux dispositifs de Classe D sicherheitstechnische Anforderungen und

(ISO 25649-6:2017) Prüfverfahren für Artikel der Klasse D (ISO 25649-
6:2017)
This European Standard was approved by CEN on 24 June 2017.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references

concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN

member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by

translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management

Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 25649-6:2017 E

worldwide for CEN national Members.
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SIST EN ISO 25649-6:2017
EN ISO 25649-6:2017 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

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SIST EN ISO 25649-6:2017
EN ISO 25649-6:2017 (E)
European foreword

This document (EN ISO 25649-6:2017) has been prepared by Technical Committee ISO/TC 83 “Sports

and other recreational facilities and equipment” in collaboration with Technical Committee

CEN/TC 136 “Sports, playground and other recreational facilities and equipment” the secretariat of

which is held by DIN.

This European Standard shall be given the status of a national standard, either by publication of an

identical text or by endorsement, at the latest by April 2018, and conflicting national standards shall be

withdrawn at the latest by April 2018.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN 15649-6:2009+A1:2013.

This document has been prepared under a mandate given to CEN by the European Commission and the

European Free Trade Association.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,

Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,

France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,

Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
Endorsement notice

The text of ISO 25649-6:2017 has been approved by CEN as EN ISO 25649-6:2017 without any

modification.
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SIST EN ISO 25649-6:2017
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SIST EN ISO 25649-6:2017
INTERNATIONAL ISO
STANDARD 25649-6
First edition
2017-08
Floating leisure articles for use on and
in the water —
Part 6:
Additional specific safety
requirements and test methods for
Class D devices
Articles des loisirs flottants à utiliser sur ou dans l'eau —
Partie 6: Exigences de sécurité et méthodes d'essai complémentaires
propres aux dispositifs de Classe D
Reference number
ISO 25649-6:2017(E)
ISO 2017
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SIST EN ISO 25649-6:2017
ISO 25649-6:2017(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2017, Published in Switzerland

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
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2017 – All rights reserved
---------------------- Page: 8 ----------------------
SIST EN ISO 25649-6:2017
ISO 25649-6:2017(E)
Contents Page

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

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

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

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

3 Terms and definitions ..................................................................................................................................................................................... 2

4 Safety requirements and test methods ......................................................................................................................................... 3

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

4.2 Design of buckles and other fixings ...................................................................................................................................... 3

4.2.1 Requirements ..................................................................................................................................................................... 3

4.2.2 Testing ....................................................................................................................................................................................... 3

4.3 Sizing and admissible number of users, maximum load capacity .............................................................. 3

4.3.1 General...................................................................................................................................................................................... 3

4.3.2 Space per person per trampoline ...................................................................................................................... 4

4.4 Components ............................................................................................................................................................................................... 4

4.4.1 Valves and stoppers (special requirements for Class D) ............................................................... 4

4.4.2 Testing ....................................................................................................................................................................................... 5

4.5 In water performance ....................................................................................................................................................................... 5

4.5.1 Class D devices, floating stability ....................................................................................................................... 5

4.5.2 Floating devices not claiming to provide floating stability ......................................................... 5

4.5.3 Buoyancy and amount of residual buoyancy ........................................................................................... 5

4.5.4 Nominative buoyancy for floating leisure articles claiming floating

stability when fully inflated .................................................................................................................................... 6

4.5.5 Carrying handles and climbing facilities ..................................................................................................... 6

4.5.6 Re-embarkation from the water ......................................................................................................................... 8

4.5.7 Anchorage .............................................................................................................................................................................. 8

4.5.8 Water depth ...................................................................... .................................................................................................... 9

4.5.9 Horizontal safety distance with surrounding area ..........................................................................10

4.5.10 Visibility................................................................................................................................................................................10

4.5.11 Repair kit .............................................................................................................................................................................11

4.5.12 Springs, protection against corrosion, durability .............................................................................11

4.5.13 Safety pad for trampolines and bouncy platforms ..........................................................................11

4.5.14 Connection of inflatable components .........................................................................................................12

4.5.15 Swimming in close approximation under extra-large floating leisure articles .......13

4.5.16 Testing ....................................................................................................................................................................................13

5 Instruction manual .........................................................................................................................................................................................13

6 Exclusion ....................................................................................................................................................................................................................14

Annex A (informative) Examples of typical products forming Class D ...........................................................................16

Bibliography .............................................................................................................................................................................................................................18

© ISO 2017 – All rights reserved iii
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SIST EN ISO 25649-6:2017
ISO 25649-6:2017(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 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 the following

URL: www.iso.org/iso/foreword.html.

ISO 25649-6 was prepared by the European Committee Standardization (CEN) Technical Committee

CEN/TC 136, Sports, playground and other recreational facilities and equipment, in collaboration with ISO

Technical Committee TC 83, Sports and other recreational facilities and equipment, in accordance with

the agreement on technical cooperation between ISO and CEN (Vienna Agreement).
A list of all the parts in the ISO 25649-series can be found on the ISO website.
iv © ISO 2017 – All rights reserved
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SIST EN ISO 25649-6:2017
ISO 25649-6:2017(E)
Introduction

The overriding property of Part-6-products is their enormous size and intended collective use.

Therefore, the majority of safety requirements concentrate on floating stability under full and single

sided load, collision of users, entrapment and entanglement issues as well as safety distances and

sufficient water depth in relation to jumping and potential falling heights provided by the various

“action modules”. Another issue is the assembly of these stand-alone modules to large and complex

activity courses. The assembly creates entrapment risks at the interfaces and needs to be assessed and

regulated under the aspect of closing those interfaces.
Consumer information related to safe use is an important supplement.

Class D devices are applicable to persons older than 36 months with the restriction of the capability

to swim. Class D devices are intended to be anchored in position or free floating. They are designed

for active use on the water surface. Characteristics for Class D devices are especially the active use.

Jumping, playing, climbing and any other related activity on the inflatable are part of the use.

© ISO 2017 – All rights reserved v
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SIST EN ISO 25649-6:2017
ISO 25649-6:2017(E)
Risk assessment for entire part 6 is shown in Table 1.
Table 1 — Introductory risk analysis
Position
Function; Partial
of user in Protec-
range of Type of risk relat-
Typical Place of regard to the Predictable Final tion aims
No. usage; movement/ ed to water
products usage equipment, el- misuse risk standard/
target/age propulsion environ-
evation above regulation
group ment
water

Trampolines Sea shore/ Jumping on Static use on Considerable Use by non Collision Age limits;

on the water close to devices/in a determined elevation swimmers; of persons; swimmers

of various shore; the water, place, device depending on overcrowding; collision only; no

sizes lakes; dual use: moored may the size of the insufficient with protruding

smoothly resting, use also be free device and water depth; objects (an- parts; no

running as platform floating; users jumping height; impact in choring); entrapment;

rivers; big all age jumping; all entrapment water, collision; insufficient cushioning;

pools; fun groups, sorts of move- through entrapment water warnings;
parks swimmers ments swimming through depth; supervision
underneath the swimming safety of small
structure underneath distances; children
device, lack of dangerous
supervision proximity
(small children) to other
objects;
shallow
water;
re-embark-
ing (grab
handles)
Tram-
poline D
(D1, D2) DROWN-
Climbing/ ING
jumping
structures

Large Sea shore/ All age Devices static Depending on Depending on As above Supervision;

floatable close to groups, (drifting or the size of the the size of the no rules are

structures shore; swimmers moored); users device; height device; heights known for

for action and lakes; are jumping; up to 4 m are up to 4 m are on the water
fun, mainly rivers; big climbing; slid- likely; jumps likely; jumps equipment;
climbing pools; fun ing; bouncing; and falls are and falls are safety
jumping, parks (see also tram- part of the part of the transfers are
rollicking; polines) game game likely from
bouncing land bound
castles on toy-struc-
water tures
vi © ISO 2017 – All rights reserved
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SIST EN ISO 25649-6:2017
INTERNATIONAL STANDARD ISO 25649-6:2017(E)
Floating leisure articles for use on and in the water —
Part 6:
Additional specific safety requirements and test methods
for Class D devices
1 Scope

This document is applicable for Class D floating leisure articles for use on and in water according to

ISO 25649-1 regardless whether the buoyancy is achieved by inflation or inherent buoyant material.

This document is to be applied with ISO 25649-1 and ISO 25649-2.
NOTE 1 Typical products forming Class D (see Annex A):
— inflatable climbing structures on the water;
— bouncing platforms;
— inflatable slides;
— water trampolines;
— teeter totters;
— obstacle courses.
NOTE 2 Typical places for application:
— pools;
— lakes, ponds;
— open sea;
— sea shore (no offshore winds, no currents).
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 25649-1:2017, Floating leisure articles for use on and in the water — Part 1: Classification, materials,

general requirements and test methods

ISO 25649-2, Floating leisure articles for use on and in the water — Part 2: Consumer information

ISO 25649-3:2017, Floating leisure articles for use on and in the water — Part 3: Additional specific safety

requirements and test methods for Class A devices
EN 913:2008, Gymnastic equipment — General safety requirements and test methods

EN 13138-3:2014, Buoyant aids for swimming instruction — Part 3: Safety requirements and test methods

for swim seats to be worn
© ISO 2017 – All rights reserved 1
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SIST EN ISO 25649-6:2017
ISO 25649-6:2017(E)
3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO 25649-1 and the following apply.

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

— ISO Online browsing platform: available at http://www.iso.org/obp
— IEC Electropedia: available at http://www.electropedia.org/
3.1
inherent buoyancy

upthrust provided by material which is less dense than water or by sealed chambers that are not

inflatable and are filled with air or gas
[SOURCE: EN 13138-1:2014, 3.2]
3.2
residual buoyancy
provision of remaining buoyancy in case of a defect of any buoyancy chamber
3.3
means to assist re-embarkation

means which helps the user to climb back on board of the floatable device from an in-water position

regardless whether the buoyant structure is fully inflated or any air chamber is deflated

3.4
safety pad
trampoline cover for springs, metal frame and fringe zone of the jumping surface
3.5
available area

area on or inside a floating article which can be unrestrictedly used for user accommodation when

taking the intended posture(s)
3.6
multiple use products

any products that are intended to be used for more than one purpose (jumping, resting, climbing, etc.)

3.7
permanent air flow articles

floating leisure articles that use a power source to continuously inflate a product maintaining its shape

3.8
inherent buoyant material

non-crosslinked (closed-cell) foam or other materials enclosed in (a) sealed compartment(s) in the hull

which has a specific weight less than fresh water

Note 1 to entry: Inflatable made from inherent buoyant material is a buoyant structure (hull) achieving all or

parts of its intended shape and buoyancy from soft foam, hard foam or sealed chambers filled with air, gas or

granules.
3.9
unsupported materials
materials which have no reinforcing textiles
2 © ISO 2017 – All rights reserved
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SIST EN ISO 25649-6:2017
ISO 25649-6:2017(E)
4 Safety requirements and test methods
4.1 General

Construction of a floating leisure article Class D device shall be such that it corresponds in terms of

design, dimensions, safety, strength and durability for its intended use. The requirements set out in this

document were chosen to ensure compliance with these considerations. When floating leisure articles

provide buoyancy in several components, these requirements apply to all components. Inflatables shall

provide residual buoyancy if one air chamber fails. This residual buoyancy maintains the safety of the

device even if its function might be lost. The following safety requirements are therefore related to

— design,
— sizing,
— materials,
— strength,
— performance, and
— information.

General and common material related requirements and test method as specified in ISO 25649-1 and

ISO 25649-2 of this series of standards apply for Class D devices (inflatable or inherent buoyant).

ISO 25649-1 and ISO 25649-2 are applicable as general parts. In individual cases, due to the

unpredictability, valency and indeterminability of existing and future concrete products, a

corresponding choice shall be made by the test house.
4.2 Design of buckles and other fixings
4.2.1 Requirements

If buckles or other detachable fastening devices are used as components of Class D devices in order to

attach or connect functional parts or other components, they shall require at least two simultaneous

actions for their release or opening in order to prevent an unintended opening. When one of the two

sequences of buckle opening relies on pressure, it shall be necessary to apply a force of at least 100 N on

this release mechanism.
4.2.2 Testing

Verification shall be executed by the test panel. In case of a locking system based on pressure, the

testing shall be done in accordance with EN 13138-3:2014, Annex E.
4.3 Sizing and admissible number of users, maximum load capacity
4.3.1 General

If a specific size/body weight correlation between user and device is relevant, the marking shall be in

accordance with the range of body weights. The size/body weights of the user shall be indicated on the

product by completing the relevant boxes of the appropriate “Number of users, adult/children” and/or

“Maximum load capacity” as specified in ISO 25649-2.

Devices shall be marked according to their size and/or number of permitted users and maximum load

capacity as specified in ISO 25649-1 and ISO 25649-2.

Devices including dual or multiple use (e.g. jumping on a trampoline or lying rest) shall include markings

in accordance with ISO 25649-2 for all intended functions.
© ISO 2017 – All rights reserved 3
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SIST EN ISO 25649-6:2017
ISO 25649-6:2017(E)
4.3.2 Space per person per trampoline
4.3.2.1 Requirements

Class D products shall be labelled with regard to the intended posture — lying/sitting/standing and

relaxing or jumping (for multi-use bounce platforms or trampolines) of the user(s) and the maximum

permissible number of users recommended by the manufacturer.

The minimum space for a user in lying posture shall correspond to a flexible pattern (adult/child) the

dimensions of which are specified in ISO 25649-1:2017, A.1 and specified in ISO 25649-3:2017, 4.2.3.1.

The minimum space for a sitting user shall correspond to the template (adult/child) in accordance with

ISO 25649-1:2017, A.1.

For multi-use bounce platforms or trampolines, the maximum number of jumpers shall correlate

to the space available for each jumper. A 1,5 m jumping surface diameter is required per jumper.

Each increase of jumping surface by 1,5 m shall allow for an increase of one more jumper. The total

number of jumpers shall however not exceed three persons. The minimum space for a user in relaxing

position should correspond to a flexible pattern (adult/child) the dimensions of which are specified in

ISO 25649-1:2017, A.1. The minimum space for a sitting or lying user shall correspond to the template

(adult/child) as specified in ISO 25649-1:2017, A.1. The maximum permissible number of users shall be

recommended by the manufacturer.

In deviation to other specifications related to land based trampolines, a 1,5 m jumping circle diameter

per person can be accepted considering experience over a period of 10 years without accidents related

to this space per person and the fact that the trampolines in question shall meet a high level of fall

protection requirements (covering of rigid objects on the surface according to 4.5.13). In addition to

this, ISO 25649-6 deals with trampolines positioned on the water and thus allow jumps and falls into it

without those risks accompanied with land based devices.

The total amount of users determined by the template shall not contradict to the load capacity and

floating stability of the device.
4.3.2.2 Testing

Testing shall be done by applying the relevant lying/sitting templates as specified in ISO 25649-1:2017,

A.1. Templates shall be stretched out over the area available to the user without overlapping. Patterns

may be arrayed to optimize the amount of users without contradicting to the load capacity of the

device. Check for appropriate labelling in accordance with “Number of users, adult/children” and/or

“Maximum load capacity” as specified in ISO 25649-2.
4.4 Components
4.4.1 Valves and stoppers (special requirements for Class D)

Floating leisure articles Class D shall be fitted with non-return valves. Valves should meet the relevant

requirements set out in ISO 25649-1:2017, 5.9.

In deviation to ISO 25649-1, the protrusion of the valve and stopper shall not exceed 20 mm above the

surrounding surface when the device has been inflated. When accessible during intended use protruding

parts of valves shall be rounded and not create entanglement or entrapment (see ISO 25649-1:2017, 5.4).

When tested in accordance with 4.4.2 the inflatable device shall not suddenly collapse due to a loss of

sudden air pressure. Testing shall be in accordance with 4.4.2.

The valves shall be located in a safe place that does not obstruct the use of the products and so

positioned that it cannot easily be opened by any individual. If placement shall be in visible view and

...

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