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Hebei Jinbiao Construction Materials Tech Corp., Ltd. supplied the galvanized chain link fence and double swing gate for the Aiwo Port Terminal Upgrade Project in Nauru. The fence secures the port terminal perimeter, and the matching double swing gate provides a controlled main entrance for vehicles and personnel entering the site.
Location: Aiwo, Nauru
Product: Galvanized chain link fence with a double swing gate
Fence height: 2.4 m
Application: Port terminal perimeter security and entrance control
Site environment: Coastal terminal exposed to saltwater corrosion
Supplied scope: Galvanized chain link perimeter fence and double swing gate for the terminal entrance
A working port terminal needs two things from its perimeter at the same time: a continuous boundary that cannot simply be walked around, and a small number of entry points wide enough for trucks, service vehicles and handling equipment to pass through without delay. Every metre of the fence line therefore has to run unbroken into the entrance, so that the gate is the only way in and out.
The site also stands directly on the coast. Salt-laden air, humidity and wind-blown spray attack steel continuously, so unprotected components corrode quickly. Coastal perimeter fencing is normally specified in galvanized steel for this reason, and the gate, which moves and carries its own weight, has to keep its alignment as the structure ages.
Finally, perimeter fencing around a terminal has to be a visible, climb-resistant barrier while still allowing staff and security to see through it. This is why open mesh, rather than solid panels, is the usual choice for port and industrial perimeters.
The installation combines a galvanized chain link fence run with a matching double swing gate at the terminal entrance. In the photograph above, the gate is built as a galvanized steel frame with chain link mesh infill, and each leaf carries a diagonal brace running from corner to corner. That brace keeps the leaf square and rigid, because it stops the frame from racking under its own weight on the hinges.
The two leaves hang from heavy square gate posts set vertically into the ground on either side of the opening. The posts take the hinge load of the gate and form the point where the fence line turns into the entrance.
Chain link was chosen for the fence line because diamond mesh gives a continuous, climb-resistant barrier without blocking light, airflow or sight lines. The double swing layout suits a terminal entrance: the leaves open from the centre to give a wide clear opening for vehicles, while each individual leaf stays light enough to be operated by hand.
All the exposed steelwork, including posts, gate frames and mesh, is galvanized. The zinc coating is the standard protection for coastal fencing because it shields the steel from saltwater corrosion and extends the service life of the finished structure.
The completed entrance is shown in the photograph at the top of this page. The gate posts stand vertically on both sides of the opening, and the fence line continues outwards from each post, so the perimeter runs without a gap into the gate. The two leaves meet at the centre of the opening, with the horizontal rails and diagonal bracing clearly visible across each leaf and the mesh stretched taut inside the frame.
The gate closes the full width of the entrance, leaving no open route into the site beside it. The galvanized surfaces on the posts, frame and mesh are uniform and show no visible corrosion, which is what a saltwater-exposed terminal perimeter requires.
Chain link fencing is the usual choice for a terminal perimeter, with a matching gate closing the entrance. The diamond mesh forms a continuous, climb-resistant barrier that still lets light, air and sight lines pass through, and the gate is made from the same system so the perimeter has no open gaps.
Galvanized steel is specified for coastal sites because the zinc coating protects the steel from saltwater corrosion. On a terminal exposed to constant salt-laden air, galvanized posts, frames and mesh hold their structure for far longer than untreated steel, and the gate stays aligned on its hinges.
A double swing gate opens from the centre, so the two leaves together give a wide clear opening for trucks and site vehicles. Splitting the opening into two leaves also keeps each leaf light enough to be opened and closed without mechanical assistance.
Yes. Gate width, height, mesh aperture, wire diameter and post size are made to suit the opening and the load the gate will carry, and the finish is specified for the corrosion class of the site. The fence on this project was supplied at 2.4 m high.
The fence is delivered in components, including mesh rolls or panels, posts, gate frames and fittings, so that they can be handled and assembled on site. The gate posts are set into the ground and the fence line is then run from post to post, connecting directly into the gate.
Send us the opening size, the fence height you need and the location of the site, and we will quote a galvanized chain link fence and gate system to match it. Hebei Jinbiao Construction Materials Tech Corp., Ltd. has manufactured fencing since 1990 from a 200,000 m2 production facility.
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