unfabricated hot rolled steel straight from bluescope steel pt Kembla
Today I visited a structural steel fabrication yard and took photos of the process of making structural steel that is delivered to a construction site. Structural steel is used mostly in columns and beams to support the building structure, where there is a cantilever there is often a steel truss used to support and transfer the weight.
above we can see the steel how it arrives from the manufacturer, these steel sections were made in the smelter at Pt Kembla, just near Wollongong. In the photo we have an rolled steel joist aka I beam, round hollow sections, angles and channels.
steel plate of various sizes
Here are steel plates before they are added to the steel sections. These raw materials are what the structural steel will be made from. A team of workers - machinists, trade assistants and painters are given drawings (not so much the painters) to make up the required pieces of steel. The will have to cut, drill and weld to make the steel that is required on the building site
keep up the good work!
Here a welder places some cleats onto a beam whilst a TA drills some holes into another beam. These holes are for bolts to attach another piece of steel.
B is for Beam not Bunnings
The steel is marked or stamped with a letter and number combination. B for beam and 131 the piece, this will correspond with working drawing used on site by the rigging team and with this information they will position the steel in the correct location
The steel once fabricated can be sent to site or if required coated with primer and paint or galvanized. Whatever the client requires.
Here fabricated steel in placed on a trolley. It is wheeled into a sealed spray boot where painters will do their magic.
The finished painted steel is loaded up onto a truck trailer, from here it will be delivered to the construction site.
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