This is a performance specification for the main security items that are required to maintain the port security internally and externally including:
CPS-01: Port perimeter security fence.
High security external fencing
High security fencing panels such as 358 mesh. The panel have a width of 2.515 m with 76.2 mm × 12.6 mm × 4 mm mesh. The fencing has a marine coat (galvanised) finish of 4 mm. The fence is 3 m high with twin cranks for 3 wires of barbed or razor wire on top. Minimum foundations shall be 300 mm × 250 mm × 900 mm.
Fence posts are rectangular hollow steel section as per the specification with minimum size 80 mm × 60 mm. Both inside and outside of the section to be hot dip galvanised to BS EN 1461 and supplied with flat post caps in black polypropylene.
Mesh panels to be overlapped by 75 mm at posts and fixed on the port side, all to maintain the integrity of the fence.
Each post has a support stay at a fence height of 1.5 m extending downwards into the port side at 45°. This stay to be incorporated into a concrete support block of not less than 250 mm × 250 mm × 750 mm.
Three coils of galvanised razor of wire are located at the top of the fence mesh. The razor wire shall be attached by galvanised crimped rings, at not greater than 300 mm centres.
Temporary Chain Link Fence
Line wires to chain link mesh
The top line wire shall consist of two wires, one threaded through every other mesh, the other unthreaded. At least three other unthreaded line wires shall be provided below the top wires and equally spaced, the bottom wire being approximately 50 mm above the bottom of the mesh. All wires are galvanised mild steel. All line wires are attached to support posts by wire stirrups passing through holes in the posts, and shall be strained at each straining point by means of winding brackets.
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