Top-side ingress for personnel & freight. Screening ➝ badge validation ➝ BMTS handoff. In-universe, many staff start their shift here before the long tram ride toward Sector C.

• BMTS-PA-12 — Tram PA refresh with priority paging and failover audio inject.
• ACCESS-PKI-7 — Badge PKI rotation & turnstile controller upgrade; dual-auth for contractors.
• WEATHER-DUCT-5 — Vestibule weatherization & blower retrofit for sand ingress.