Standard Specification for Strength and Protective Coatings on Steel Industrial Chain Link Fence Framework
This specification covers the strength and protective coating requirements for industrial steel chain link fence framework. Maximum allowable heights of framework and post spacing are to be based on chain link fence fabric mesh size and gages, and specified wind loads. Coatings shall be classified as: external coatings (Type A, B, and C) and internal coatings (Type A, B, C, and D). Zinc used for coating shall be any grade of zinc conforming to the requirements and shall be applied by the hot-dip method. Strength test, tension test, adhesion test, and cross hatch test shall be performed to meet the specified requirements.
1.1 This specification covers the strength and protective coating requirements for industrial steel fence framework. The intended use is for all types of fence, including but not limited to, chain link, expanded metal, wire mesh both welded and woven, PVC and wood. Consult fencing product manufacturer for post spacing requirements. Post spacings for chain link fence are not to exceed 10 ft. (For additional information, see CLFMI Guide WLG2445.)
1.1.1 Caution Regarding Windload—If additives to the fence, such as windscreen, inserts, or signage are required, it is advisable to use stronger framework and fittings, to reduce the on-center spacing of posts, or to add back bracing. Factors to consider when determining windload include the type of screening material to be used, area of fence to be covered and local wind conditions.
1.2 Posts and rails may have any cross-sectional shape meeting the requirements herein. The shapes may be formed and welded, cold formed, hot rolled, or extruded.
1.3 The values in inch-pound units are to be regarded as the standard. The values stated in SI units are for information purposes only.
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