Over deze norm
1.1 This guide covers safety and performance guidelines pertaining to public skatepark facilities and any element included therein. These guidelines pertain to any elements intended to be used in the performance of the sports including skateboarding, inline skating, and BMX biking. Items such as fencing, lighting, and operational structures are not intended to be a part of this guide.
1.2 This guide applies to above-ground (indoor/outdoor) skatepark elements, intended for recreational use.
1.3 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.
1.4 Tolerances – General Measures, Tolerances, and Conversions—The general dimensional tolerances for this specification (unless otherwise noted) are as follows:
|X in. or ft||±0.5 in. or ft|
|X.X in. or ft||±0.05 in. or ft|
|X.XX in. or ft||±0.005 in. or ft|
Note 1—These tolerances still apply to a dimension even when terms like greater than, less than, minimum, or maximum are used.
1.5 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.
Note 2—The conversion factor from inch-pound to SI units is 1 in. = 25.4 mm, and 1 lb = 0.45359 kg.
1.6 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 limitations prior to use.
|Engelse titel||Standard Guide for Above Ground Public Use Skatepark Facilities|