ASTM F2225-15(2020)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:F2225 −15 (Reapproved 2020) An American National Standard
Standard Safety Specification for
Consumer Trampoline Enclosures
This standard is issued under the fixed designation F2225; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope associated with its use. It is the responsibility of the user of this
standard to establish appropriate safety, health, and environ-
1.1 This safety specification covers the components,
mental practices and determine the applicability of regulatory
assembly, use, labeling, and performance requirements of
limitations prior to use.
consumer trampoline enclosures (see Safety Specification
1.7 This international standard was developed in accor-
F381).
dance with internationally recognized principles on standard-
1.2 This specification is applicable to trampoline enclosures
ization established in the Decision on Principles for the
to be sold as an accessory to or packaged with trampolines of
Development of International Standards, Guides and Recom-
2 2
(1) a minimum bed size of 3300 in. (2.1 m ), (2) a minimum
mendations issued by the World Trade Organization Technical
height of 20 in. (510 mm), (3) intended for the purpose of
Barriers to Trade (TBT) Committee.
continuous, vertical jumping activities, and (4) intended for
2. Referenced Documents
consumer use.
2.1 ASTM Standards:
1.3 This specification includes the following sections and
D638 Test Method for Tensile Properties of Plastics
selected subsections:
D2240 Test Method for Rubber Property—Durometer Hard-
Section
ness
Scope 1
Referenced Documents 2
F381 Safety Specification for Components, Assembly, Use,
Terminology 3
and Labeling of Consumer Trampolines
Components 4
General Requirements 5 F1077 Guide for Selection of Committee F16 Fastener
Performance Requirements 6
Specifications (Withdrawn 2014)
Performance Tests 6
2.2 ANSI Standard:
Information Packet 7
Product Marking 8 Z535.4 Product Safety Signs and Labels
Packaging and Package Marking 9
2.3 Federal Standards:
1.4 This specification does not purport to address all of the 16 CFR 1500 Hazardous Substances Act Regulations
hazards that may be associated with trampolines or trampoline
16 CFR 1500.48 Technical Requirements for Determining a
enclosures, or both. The standard’s existence alone will not
Sharp Point in Toys and Other Articles Intended for Use
necessarily prevent injuries. Like other physical activities,
by Children Under 8 Years of Age
trampoline use involves the risk of injury, particularly if the
16 CFR 1500.49 Technical Requirements for Determining a
equipment is used improperly. Similarly, the use of a trampo- Sharp Metal or Glass Edge in Toys and Other Articles
line enclosure alone will not necessarily prevent all injuries.
Intended for Use by Children Under 8 Years of Age
2.4 AATCC Standard:
1.5 The values stated in inch-pound units are to be regarded
AATCC 169 Weather Resistance of Textiles: Xenon Lamp
as standard. The values given in parentheses are mathematical
Exposure
conversions to SI units that are provided for information only
and are not considered standard.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
1.6 The following precautionary caveat pertains only to the
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
test methods portion of this specification. This standard does
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
not purport to address all of the safety concerns, if any,
The last approved version of this historical standard is referenced on
www.astm.org.
Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
This safety specification is under the jurisdiction ofASTM Committee F08 on 4th Floor, New York, NY 10036.
Sports Equipment, Playing Surfaces, and Facilities and is the direct responsibility of Available from Superintendent of Documents, P.O. Box 371954, Pittsburgh, PA
Subcommittee F08.17 on Trampolines and Related Equipment. 15250–7954.
Current edition approved April 1, 2020. Published April 2020. Originally Available from American Association of Textile Chemists and Colorists
approved in 2003. Last previous edition approved in 2015 as F2225 – 15. DOI: (AATCC), P.O. Box 12215, Research Triangle Park, NC 27709, http://
10.1520/F2225-15R20. www.aatcc.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F2225−15 (2020)
3. Terminology 5.4 All fasteners shall be manufactured in accordance with
Section 5.4.2 of Guide F1077. All fasteners, connecting, and
3.1 Definitions of Terms Specific to This Standard:
covering devices shall be inherently corrosion resistant or be
3.1.1 attachment system, n—the complete manner in which
provided with corrosion resistant coating.
certain components are connected.
5.4.1 When installed in accordance with the manufacturer’s
3.1.2 barrier, n—an enclosing device constructed of netting,
instructions, fasteners, lock washers, self-locking nuts, or other
fabric, or other material that is intended to prevent both
lockingmeansshallbeprovidedforallnutsandboltstoprotect
inadvertent and deliberate attempts to pass through the device.
them from unintentional loosening. Hardware in moving joints
3.1.3 barrier height, n—the distance from the bed surface at
shall also be secured against unintentional loosening.
rest to the upper edge of the barrier measured at a support.
5.4.2 There shall be no accessible sharp points or edges on
3.1.4 barriersystem,n—anenclosingdevicethatisintended
fasteners. A cut-off bolt end projecting beyond the face of the
to prevent both inadvertent and deliberate attempts to pass
nut shall be free of burrs, sharp points, and sharp edges. An
through the device forming the enclosure suspended from or
accessible bolt end shall not extend more than two full threads
attached, or both, to enclosure support (frame).
beyond the face of a nut.
3.1.5 enclosure, n—equipment which reduces the risk of the
5.5 Connecting devices such as but not limited to S-hooks
user falling off the trampoline.
and C-hooks shall be properly closed. These connectors are
3.1.6 enclosure support (frame) attachment system, n—the
considered closed when there is no gap or space greater than
framework constructed of supportive materials from which the
0.04 in. (1 mm) when measured with a feeler gage.
enclosure barrier is suspended or attached, or both, and the
manner in which components are connected. 5.5.1 S-hook connectors are subject to the following addi-
tional requirements: (1) No portion of the closed end of an
3.1.7 maximum specified user weight, n—maximum weight
S-hook upper loop may project beyond the vertical boundary
of a user as specified by the manufacturer. The manufacturer
established by the upper loop; (2) an S-hook upper loop may
shall ensure the maximum specified user weight meets the
align with, may partially overlap, or may completely overlap
requirements of Safety Specification F381 Section 6 for the
the connector body. If the upper loop completely overlaps the
trampoline on which the enclosure is mounted.
connector body, it must not extend past the connector body, or
3.1.8 upright pole caps, n—covering cap on exposed enclo-
(3) an S-hook lower loop must align with the connector body
sure support (frame) pole ends to prevent cuts, abrasion or
and not overlap in any way. (See Fig. 1.)
impalement.
5.6 The enclosure barrier shall be a durable weather resis-
4. Components
tant fabric suitable for extended outdoor life. Materials used in
4.1 A trampoline enclosure system when offered for sale
the barrier and any fabric, cord, or webbing connections
shall include the following components:
supporting the barrier that are normally exposed to sunlight
4.1.1 Enclosure support system padding and upright pole
shall be made of ultraviolet (UV) resistant materials.
caps,
4.1.2 Enclosure support (frame) and attachment system, 5.7 Support (frame) members exposed to contact during
4.1.3 Enclosure barrier,
foreseeable usage shall be padded.The top end of such support
4.1.4 Enclosure barrier attachment system,
(frame) members shall be capped.
4.1.5 Information packet/user manual, and
5.8 The barrier attachment system shall include (1) upper
4.1.6 Suitable on-product and on-package warnings.
attachment to upright supports (frame), and (2) lower attach-
5. General Requirements ment to trampoline bed or trampoline frame top rails. The
barrier attachment system shall be of sufficient strength and
5.1 The barrier height shall have the following minimums:
durability to withstand tearing, deformation or failure as a
5.1.1 For round trampolines with bed diameter at less than
result of the loads outlined in 6.1 (Performance Requirement
10 ft (2.5 m) – 60 in. (1.5 m).
Test #1).
5.1.2 For round trampolines with a bed diameter of 10 ft
(2.5 m) (or more) – 72 in. (1.8 m).
5.9 Enclosure Openings—The enclosure barrier shall in-
5.1.3 For rectangular trampolines—one-half the length of
clude an opening allowing entry and exit of the user from the
the longest bed dimension, but not less than 60 in. (1.5 m)
jumping surface. This opening, when closed according to the
minimum barrier height.
manufacturer’s instructions, shall be of sufficient strength and
5.2 The enclosure support (frame) system and barrier ma-
durability to withstand, without tearing, deformation or failure,
terials shall be of sufficient strength and rigidity to hold the
adirectimpactoftheloadsatthepointoftheopeningand8in.
enclosure barrier in place and withstand the loads outlined in
to the left and to the right of the opening (outlined in 6.1,
Performance Requirement Test #1.
Performance Requirement Test #1) with no penetration of any
portion of the test load beyond the outer edges of the opening
5.3 Support attachment system and hardware shall be sub-
ject to ready assembly by the original retail consumer and shall or any opening of the barrier itself. If the enclosure barrier
opening is overlapped, the opening point is considered the
meet the requirements set forth in 6.1 (Performance Require-
ment Test #1). midsection of the overlap.
F2225−15 (2020)
FIG. 1Requirements for Connecting Devices
6. Performance Requirements 6.1.1.1 Secure one side of the trampoline so that the
trampoline cannot be moved or cannot slide along the surface
6.1 Barrier Impact and Enclosure Support Pole (Frame)
on which the trampoline rests.
Impact Tests—Performance Requirement Test #1 requires four
6.1.1.2 Suspend the bag (load) on a chain so that the
impacts of the maximum specified user weight applied as a
distance to the top of the chain (pivot point) to the center of
dynamic side load according to the following procedures. Two
mass of the bag corresponds to one of the lengths specified in
of the impacts are to be directed at a point on the barrier
Table 1.
midway between the support poles (frame) at a height mid-
6.1.1.3 Position the bag (load) so that it hangs against the
distance between the top and bottom of the enclosure barrier.
side of the enclosure barrier at a point midway between the
The other two impacts are to be applied against the enclosure
enclosure support poles (frame) at a height mid-distance
support poles (frame) at a height mid-distance between the top
between the top and bottom of the enclosure barrier. The pivot
and bottom of the enclosure barrier. The impacts against the
point of the pendulum created by the load and chain should be
enclosure barrier and barrier attachment system shall not
positioned directly above the top of the enclosure barrier. The
produce permanent deformation, tearing or breaking of any
contact point of the bag (load) to the enclosure barrier should
component of the enclosure barrier and barrier attachment
be on the opposite side of the enclosure from the point that
system. The impacts against the enclosure support (frame)
secures the trampoline from movement.
shall not produce permanent deformation, tearing or breaking
(1) Measure and record the angle of the enclosure pole
of any component of the enclosure support (frame) or the
nearest the intended barrier impact point, at the midpoint
support (frame) attachment hardware. If the measured angle of
between the top of the enclosure pole and the uppermost point
anenclosurepoleisgreaterthan10°fromitsoriginalmeasured
of connection to the trampoline frame with an angle finder
angle after the test, it shall be interpreted as a permanent
designed for use on tubular/round surfaces. (If there are 2
deformation.
enclosure poles at the same distance from the intended barrier
6.1.1 ProcedureforPerformanceRequirementTest#1—The
impactpoint,selectoneasthetestsubject).Twomeasurements
load shall be of mass equal to the maximum specified user
at this midpoint should be recorded. One measurement to be
weight. It should be composed of a bag approximately 16 in.
taken on the surface of the enclosure pole furthest from the
(410 mm) in diameter by 36 in. (910 mm) tall, such as a large
centerofthetrampolinejumpmat,andanothermeasurementto
duffel bag filled with loosely compacted material such as sand.
be taken 90° around the circumference of the enclosure pole
Alternating small bags of sand and wood chips can be used to
from the first measurement.
fill the bag. The center of gravity of the duffel bag should be at
6.1.1.4 Pull the bag (load) back until the load support chain
the mid-point (approximately 18 in. (460 mm) from the
is at an angle that corresponds with the selected chain length
bottom).The dynamic side load shall be applied in a pendulum
distance in Table 1.
motion against the enclosure barrier at the specified points (see
6.1). 6.1.1.5 Release the bag (load) into the enclosure barrier.
F2225−15 (2020)
TABLE 1 Length to Center of Mass and Angle
to the right, as measured from the inside of the enclosure, from
Pendulum Length to Pendulum Length to Pendulum Angle the enclosure opening as established in 6.1.1.11.
Center of the Mass Center of the Mass Relative to
6.1.1.15 Repeat the test methods in 6.1.1.12 and 6.1.1.13.
of Bag (feet) of Bag (metres) Vertical (degrees)
6.1.1.16 Repeat the preparation for impact tests as estab-
10 3.0 30.0
lished in 6.1.1.11, except the position of the bag (
...