security standoff is threat-, construction-, asset- and controlled-perimeter-dependent and must be determined through a site-specific security and blast assessment
Site-specific security/blast assessmentrecommendation
| Value kind | recommendation — Recommendations are design guidance, not measured facts; validate them against the project boundary conditions. |
|---|---|
| As of | 2026-08-24 |
| Source | UK National Protective Security Authority · Data-centre physical-perimeter and building risk guidance |
| Review | checking…review by 2026-12-22 · standard cadence |
| Recorded changes | last 2026-08-24 · 2 revisions tracked |
| Claim id | typical-standoff-range-a-rural-power-first |
Where the guide uses it
Not quoted in a chapter yet; it is kept in the curated register.
← Full numbers register — every date-stamped figure in the guide, with revision history.