code-assigned Risk Category for a typical data center is II; mission-critical owners often elect RC III/IV seismic performance (importance factor, operability) as an owner requirement, not a code mandate
RC II code / III–IV electiveobserved
| Value kind | observed — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range. |
|---|---|
| As of | 2025 |
| Source | ASCE 7 / IBC; Langan |
| Review | checking…review by 2027-05-13 · slow cadence |
| Recorded changes | last 2026-07-13 |
| Claim id | code-assigned-risk-category-for-a-typical-data |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.