Base Anchorage
AssemblyFloor interface of the column: a stiff base plate with anchor fixings and a cover ring, designed to resist both vertical load and the overturning moment of the helix. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Base Anchorage
4 top-level lines as of r162355| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Base Plate | spiral-staircase-base-plate | 1× | 1 | · | part |
| 2 | Anchor Bolt | spiral-staircase-anchor-bolt | 4× | 4 | · | part |
| 3 | Base Cover Ring | spiral-staircase-base-cover | 1× | 1 | · | part |
| 4 | Leveling Shim | spiral-staircase-leveling-shim | 4× | 4 | · | part |