City Surveillance Architecture & Governance Checklist

One-page planning tool for a city or public-space surveillance build: the two defining loads (scale + privacy weight); the federation decisions (record-local, stream-on-demand, district autonomy, the ONVIF + IEC 62676 standards spine); the storage and bandwidth math at scale (the 1 Mbps = 10.8 GB/day rule, the petabyte-per-month reality, tiering and retention); the analytics-at-scale list (ANPR/traffic, crowd/flow, forensic search) with the edge-first rule; the biometric legal gate as a tick-box