ASTM F3237-18

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: F3237 − 18
Standard Terminology Relating to
1
Snow Sport Freestyle Terrain Park Jumps
This standard is issued under the fixed designation F3237; 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 investigators, and scientists to use a common language in
describing freestyle terrain park jumps.
1.1 This terminology covers the terms required to describe a
cross sectional profile of a snow sport freestyle terrain park
2.2 Angles are taken with respect to horizontal, with posi-
jump and does not cover any other terrain park feature.
tive values indicating an increase in elevation and negative
values indicating a decrease in elevation along the path of
1.2 The terms are presented in a sequence considered to be
travel for a terrain park participant using the jump.
the most logical with definitions presented later calling upon
those presented earlier. This terminology standard does not
3. Terminology
require the use of any specific units; Imperial units (feet,
seconds, degrees) or metric units (meters, seconds, degrees)
3.1 Refer to Fig. 1.
can be used.
3.2 Definitions:
1.3 The depictions used in this standard are intended to aid
terrain park, n—designated area of a ski resort or other
in understanding the definitions and are not intended to depict
similar facility containing natural or man-made freestyle
or describe how any particular terrain park jump or its
features such as jumps and jibs.
component features should be designed, built or maintained.
Some terrain park jumps may use different configurations or parent slope, n—sliding surface within the terrain park upon
which the feature is placed or constructed. The parent slope
combinations of features, or they may not incorporate all of the
features depicted or defined in this standard. angle may vary with position.
1.4 This standard does not purport to address all of the
average parent slope, n—straight line approximation of the
safety concerns, if any, associated with the use of snow sport
parent slope angle.
terrain park features. Snow sports and the use of terrain park
ground slope, n—natural or man-made surface underlying the
features involve inherent risks, and a terrain park feature that
parent slope.
complies with all applicable standards or guidelines cannot
eliminate all risks associated with terrain park features.
average ground slope, n—straight line approximation of the
Therefore, it is to be clearly understood that compliance with
ground slope angle.
these applicable standards or guidelines in no way guarantees
that injury can be prevented.
jump, n—man-made feature that allows a user an opportunity
to become airborne, generally consisting of the jump ele-
1.5 This international standard was developed in accor-
ments given below.
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
jump elements, n—parts of a jump which may include the
Development of International Standards, Guides and Recom-
following (refer to Fig. 1, labels in italics indicate the points
mendations issued by the World Trade Organization Technical
on the sliding surface):
Barriers to Trade (TBT) Committee.
approach (a-b), n—downhill sloping surface leading into the
approach transition.
2. Significance and Use
2.1 A
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