ASTM A 120, Specification for Pipe, Steel, Black and Hot-
Dipped Zinc-Coated (Galvanized) Welded and Seamless, for Ordinary Uses.
ASTM F 626, Standard Specification for Fence Fittings
ASTM F 669, Specification for Strength Requirements of Metal
Posts and Rails for Industrial Chain-Link Fence.
ASTM F 1083, Specification for Pipe, Steel, Hot-Dipped Zinc-
Coated (Galvanized) Welded, for Fence Structures.
Chain-Link Fence Fabric. Ensure chain-link fence fabric meets the
requirements of RR-F-191/1 for one of the following:
Type I - Zinc-coated steel.
Type II - Aluminum-coated steel.
Type IV - Polyvinyl Chloride (PVC) coated over zinc- or
Security fences will be fabricated with 9-gauge (3.9-mm) steel
wire mesh material (before any coating) with mesh openings not larger than 2
inches (50.8 mm) per side. Ensure the fabric height is 7 feet (2.1 m) and has
twisted and barbed selvage at the top and bottom.
The designer may use the following ASTM Standards to supplement
RR-F-191/1 for chain-link fabric:
ASTM A 116, Specification for Zinc-Coated (Galvanized) Steel
Woven Wire Fence Fabric.
ASTM A 392, Specification for Zinc-Coated Steel Chain-Link
ASTM A 491, Specification for Aluminum-Coated Steel Chain-
Link Fence Fabric.
ASTM A 817, Standard Specification for Metallic-Coated Steel
Wire for Chain-Link Fence Fabric.
ASTM F 668, Standard Specification for Poly Vinyl Chloride
(PVC)-Coated Steel Chain-Link Fence Fabric.
Outriggers. Single arm steel barbed wire support arms
(outriggers) are required for all station perimeter fences. When specified by
the local command, they also may be added to interior restricted area security
fences for additional deterrence. Double arm steel barbed wire support arms