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Significance and Use
Ornamental steel picket fence systems can be designed to provide greater levels of security by selecting styles and configurations that increase the difficulty to penetrate and in turn increase delay time. Some examples include: increasing the height of the fence, using ornamental picket styles that curve outward to form a parapet on the attack side of the fence, and decreasing the spacing between vertical pickets.
Security hardening of ornamental steel picket fence systems can be achieved by adding fence security accessories (that is, barbed wire to the top; barbed tape to the top, side or bottom of the fence; or spiked railing supplements along the top rail) or by attaching supplemental security fence fill materials (that is, expanded metal, barbed tape mesh, welded wire mesh, or chain-link mini-mesh fabric). Slats or screening panels can be inserted to restrict visibility when required.
Multiple fence lines can be installed to create isolation zones that enhance the ability to patrol or visually monitor the area.
Anti-ram cable systems may be added to resist vehicle penetration into a protected perimeter.
1.1 This guide provides the material and installation standards for selection in the design of an ornamental steel picket fence system for security applications. The proper material selection and system installation and layout can substantially increase the difficulty to penetrate; thereby, increasing the intrusion delay time.
1.2 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A121 Specification for Metallic-Coated Carbon Steel Barbed Wire
A392 Specification for Zinc-Coated Steel Chain-Link Fence Fabric
A491 Specification for Aluminum-Coated Steel Chain-Link Fence Fabric
F668 Specification for Polyvinyl Chloride (PVC), Polyolefin and Other Polymer-Coated Steel Chain Link Fence Fabric
F1184 Specification for Industrial and Commercial Horizontal Slide Gates
F1345 Specification for Zinc-5 % Aluminum-Mischmetal Alloy-Coated Steel Chain-Link Fence Fabric
F1379 Terminology Relating to Barbed Tape
F1665 Specification for Poly(Vinyl Chloride) (PVC) and Other Conforming Organic Polymer-Coated Steel Barbed Wire Used With Chain-Link Fence
F1910 Specification for Long Barbed Tape Obstacles
F1911 Practice for Installation of Barbed Tape
F2200 Specification for Automated Vehicular Gate Construction
F2408 Specification for Ornamental Fences Employing Galvanized Steel Tubular Pickets
F2453/F2453M Specification for Welded Wire Mesh Fence Fabric (Metallic-Coated or Polymer Coated) for Meshes of 6 in.2 [3871 mm2] or Less, in Panels or Rolls, with Uniform Meshes
F2548 Specification for Expanded Metal Fence Systems for Security Purposes
F2589 Specification for Ornamental Fences Employing Steel Tubular Pickets
F2656 Test Method for Vehicle Crash Testing of Perimeter Barriers
U.S. Department of StateSD-STD-02.01,Revisio Test Method for Vehicle Crash Gate Testing of Perimeter Barriers and Gates.
U.S. Department of DefenseUFC4-010-01 United Facilities Criteria, DoD Minimum Antiterrorism Standards for Buildings
ICS Number Code 13.310 (Protection against crime); 91.090 (External structures)
UNSPSC Code 30121718(Safety fence and net for rock drop)