ASTM F MEASUREMENT PROCEDURE. FOR FALL ACCIDENT INJURY CRITERIA. Macky KATO1, Yoshie SHIMODAIRA2, Takeshi SATO3 and Hiromi. specification for playground surfacing performance (ASTM F). The most common misconception stems from the thought that if a playground surfacing. F, the voluntary standard for measuring impact attenuation of can meet the impact attenuation requirements of ASTM F, as long.

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Web page addresses and e-mail addresses turn into links automatically. They can be added to the value measured by the shortened procedure. Therefore the shortened procedure could be applied practically even though the accuracy declines.

However, this approach is not always appropriate. It should be noted there is nothing to restrict the owner or specifier of the purchasing and installation requirements to specify additional impact attenuation performance requirements, providing that such additional performance requirements are more stringent than the minimum performance requirements of this Standard.

A surface conditioned by impacting tamper became harder than the initial surface. Leave a Reply Click here to cancel reply.

For example, the levels of injury and death in sports are also so serious that numerous studies have focused on the attenuation of impact 89 Some types of loose fill surface are installed to attenuate the impact of fall accidents.

Coefficient of differences between the standardized and the shortened procedures for G-max and HIC. Vital Statistics of Japan That is to say, appropriate loose fill surface and reliable evaluations are necessary to protect children from injury and death by fall accidents from playground equipment.


Another is a test of the installed surface performance of playground equipment. However the administrative phases are not the objective of this study from the viewpoint of shortening astn in the physical operation. This can be said for all levels of sand depth. Figure 2 shows the variation of acceleration at the moment of impact.

Evaluating Playground Surfacing System for Compliance with Performance Standards

Lines and paragraphs break automatically. The surfaces at the impact point were the bare ground or loose fill surface.

This surface within the use zones of each play structure shall also be maintained free from extraneous materials that could cause injury, infection, or disease. The elimination of challenge and risk in play environments is known by child development experts to significantly reduce the value of the play experience and the developmental benefits of play.

Factors that are known to affect surfacing material performance include but are not limited to aging, moisture, maintenance, exposure to temperature extremes for example, freezingexposure to ultraviolet light, contamination with other materials, compaction, loss of thickness, shrinkage, submersion in water, and so forth. The Head Injury Criterion or HIC score is an empirical measure of impact severity based on published research describing the relationship between the magnitude and duration of impact accelerations and the risk of head trauma.

Then when the surface system is up for re-certification, all following installations would need 1f292 be consistent with the new test sample and test results of both the laboratory and in the field.

The procedure for the installed surface performance test defined in F is as follows In addition, G-max became larger as the sand depth became shallower. Figure 4 shows the axtm of regression analysis for G-max of the standardized and shortened procedures. The difference between the two procedures increased with drop height as same as in the case of G-max.


When someone falls off a piece of playground equipment, who is to blame?

Evaluating Playground Surfacing System for Compliance with Performance Standards

Discussion Attenuation by loose fill material Variation of acceleration at the moment of impact depends on the drop height and sand depth. All playground areas and equipment should be inspected for excessive wear, deterioration, and any potential hazards, such as those shown in Table 3 Specifically Problems with surfacing i.

It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. On the other hand, the surface of the shortened procedure is so soft that G-max does not become large. The coefficients of the regression equation for the HIC also decreased as the drop height increased.

Any surface system installed within the use zone astmm a public playground must have a maintained critical height which exceeds the fall height of the equipment. Inj Prev 10—9. Section 10 also stated public playgrounds shall comply with the DOJ Standard for Accessible Designwhere applicable. Therefore, playground equipment should be structured to maintain safety, even when children fall from it.

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