factor represents the inherent ductility and energy-dissipation capability of a specific structural system.

Engineers downloading or referencing the ASCE 7-05 PDF should note several major structural shifts that occurred in later updates (such as ASCE 7-10, 7-16, and 7-22): Feature / Metric ASCE 7-05 Approach Modern ASCE 7 Approach (7-10 onwards) asce 7-05 seismic pdf

SMS=Fa⋅SScap S sub cap M cap S end-sub equals cap F sub a center dot cap S sub cap S asce 7-05 seismic pdf