Tower in Solidworks
This is a steel watch tower.
It includes 4 platforms and 3 stairs (rails not shown).
Parts will be assembled and welded at the construction site.
How it's made:
1) Make drawings and BOMs.
2) Order material: angles, plates, fasteners.
Calculate the sum of all lengths for steel shapes, and calculate area of all plates by thickness.
Use some ratio to take into account scrap metal.
3) Form work orders for different fabrication places: weld shop, saw cut, plasma cut. For the tower: saw cut steel shapes to length, punch holes, mark up part number for each detail. The tower elements can be partially painted (except the areas to be welded). Bolts will be used for preliminary assembly. After welding, they should be removed.The platforms and stairs will be completely made in the shop.
4) Foundation is needed for the tower. So let's assume that it will be made by another company. They need some drawings to design foundation and anchor bolts. It also can be concrete footing without anchors. In this case, use Hilti wedge anchors.
Here is archive of the step file.
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