Part 6/10:
Heavy-Duty Doors: The interior features double-passed welded doors, ensuring airtight seals and security.
Escape Tunnel: An innovative 15-foot tunnel and vertical shaft provide a failsafe route in case of breach, blocking attempts, or external trapping. It’s designed for safe egress with a hydraulic ramjack system capable of lifting heavy obstacles from above.
Exterior and Environmental Management
Effective environmental shielding is key to concealment and protection.
- Hiding the Air Pipes: Efforts were made to locate air intake and exhaust pipes deep in the woods, blending seamlessly with the environment. Workers meticulously welded and disguised these pipes with custom-fabricated extensions to prevent detection.