How Is Security Lighting Designed for Bank Branch Exteriors?

I model the site in photometric software with the actual fixture photometry, mounting heights, and aiming — then read the calculated footcandle grid and uniformity ratios against the security plan's targets. Entrances, ATMs, and the night depository get the highest levels; parking and perimeter get even coverage. The model also checks light trespass at the property lines against local ordinances. This analysis happens before fixture purchase, because moving a pole on paper costs nothing and moving it after the concrete is poured costs thousands.

Photocells switch the site on at dusk and off at dawn; scheduling steps non-critical areas down in the small hours where the security plan permits; and motion sensing can boost specific zones when someone approaches. Battery backup or generator circuits carry the security-critical luminaires through outages. Before finalizing, I verify the local dark-sky ordinance, curfew dimming rules, and any historic-district fixture appearance requirements — the design has to pass the planning department as well as the security review. The controls narrative documents every mode so the bank's facilities team understands what the system does at 2 a.m.

A bank security lighting design is complete when it clears this checklist. Light is the security system that never takes a night off. • Photometric model proving target levels and uniformity with no dark corners • Full-cutoff LED luminaires with color temperature selected for camera facial capture • Luminaire and camera placement coordinated so key views are front-lit, never backlit • Photocell and scheduled controls with battery or generator backup on security-critical lights • Light trespass and dark-sky ordinance compliance verified at the property lines