According to the ANSI Blog and the official ASME summary , the standard addresses: Asme STS-1 | PDF - Scribd
Detailed principles for structural integrity, including load calculations for dead loads, live loads, and wind/seismic-induced vibrations. Asme Sts-1 2021 Pdf
It covers the structural design of the stack shell, base plate, anchor bolts, and internal components like platforms and liners. It does not cover the design of the foundation itself (which is typically governed by ACI or other standards) but dictates the loads the foundation must resist. According to the ANSI Blog and the official