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ASTM-F1292:2009 Edition

ASTM-F1292:2009 Edition

$58.50

F1292-09 Standard Specification for Impact Attenuation of Surfacing Materials within the Use Zone of Playground Equipment

Published By Publication Date Number of Pages
ASTM 2009 23
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1.1 This specification establishes minimum performance requirements for the impact attenuation of playground surfacing materials installed within the use zone of playground equipment.

1.2 This specification is specific to surfacing used in conjunction with playground equipment, such as that described in Specifications F1148 , F1487 , F1918 , F1951 , and F2075 .

1.3 This specification establishes an impact attenuation performance criterion for playground surfacing materials; expressed as a critical fall height.

1.4 This specification establishes procedures for determining the critical fall height of playground surfacing materials under laboratory conditions. The laboratory test is mandatory for surfaces to conform to the requirements of this specification.

1.5 The laboratory test required by this specification addresses the performance of dry surfacing materials.

1.6 The critical fall height of a playground surfacing material determined under laboratory conditions does not account for important factors that have the potential to influence the actual performance of installed surfacing materials. Factors that are known to affect surfacing material performance include but are not limited to aging, moisture, maintenance, exposure to temperature extremes (for example, freezing), exposure to ultraviolet light, contamination with other materials, compaction, loss of thickness, shrinkage, submersion in water, and so forth.

1.7 This specification also establishes a procedure for testing installed playground surfaces in order to determine whether an installed playground surface meets the specified performance criterion.

1.8 The results of a field test determine conformance of installed playground surfacing materials with the criterion of this specification and are specific to the ambient conditions under which the test was performed.

1.9 The impact attenuation specification and test methods established in this specification are specific to the risk of head injury. There is only limited evidence that conformance with the requirements of this specification reduces the risk of other kinds of serious injury (for example, long bone fractures).

Note 1The relative risk of fatality and of different degrees of head injury may be estimated using the information in Appendix X1, which shows the relationships between the Head Injury Criterion (HIC) scores of an impact and the probability of head injury.

1.10 This specification relates only to the impact attenuation properties of playground surfacing materials and does not address other factors that contribute to fall-related injuries. While it is believed that conformance with the requirements of this specification will reduce the risk of serious injury and death from falls, adherence to this specification will not prevent all injuries and deaths.

1.11 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.12 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory requirements prior to use.

PDF Catalog

PDF Pages PDF Title
1 Scope
2 Referenced Documents
Terminology
3 FIG. 1
4 Performance Requirements
Summary of Test Method
5 Significance and Use
Equipment Operator Qualifications
Test Apparatus
7 Calculation
8 Instrumentation Check
Impact Test Procedure
9 Temperature Conditioning
Unitary Surfaces
Loose Fill Surfaces
Critical Fall Height Test Procedure
10 Test Site Selection
Unitary Surfaces
Loose-Fill Surfaces
Installed Surface Performance Test Procedure
11 Report
12 Precision and Bias
Keywords
TABLE 1
13 A1. INSTRUMENTATION VERIFICATION PROCEDURES
A1.1
A1.2
A1.3 Accelerometer Data Channel Verification—End-to-End Calibration
A1.4 Accelerometer Data Channel—Minimum Verification Requirements
TABLE 2
TABLE A1.1
14 FIG. A1.1
15 FIG. A1.2
FIG. A1.3
16 X1. INJURY RISK CURVES
X1.1
X1.2
FIG. A1.4
FIG. A1.5
TABLE A1.2
17 FIG. X1.1
FIG. X1.2
18 X1.3
X1.4 Discussion
X2. EFFECTS OF MEASUREMENT ERRORS
X2.1
TABLE X2.1
19 X2.2 Accelerometer Time Constant
X2.3 Interval Between Impacts
X2.4 Impact Velocity
X2.5 Missiles
TABLE X2.2
TABLE X2.3
20 X3. COMPUTER ALGORITHM FOR CALCULATING HIC
X3.1
X3.2 Verification
TABLE X3.1
21 X4. ALGORITHM FOR DIGITAL BUTTERWORTH FILTER
X4.1
X4.2
X4.3 Computer Algorithm for 4th Order, Zero Phase Shift, Butterworth Digital Filter
TABLE X4.1
22 X5. WET/FROZEN CONDITIONING
X5.1
X5.2 Apparatus
X5.3 Sample Preparation
X5.4 Calculation of Water Volume
X5.5 Application of Water
X5.6 Wet Test
X5.7 Frozen Test
FIG. X4.1
23 FIG. X5.1

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