Subterranean Longitudinal Section (450m Penstock Incline)
Floodwater Pool
Silt Debris Plug
Trapped Air Cavity
Micro-Borehole Probe
Operational Triage Controls Direct Manipulation
Subterranean Physical Telemetry Real-Time Hydro-Pneumatics
Barrier Clearance
15%
18m / 120m silt plug
Projected Breach
58h
At active advance rate
Survivor Reserve
76h
O2 & hydration buffer
Atmospheric O₂
17.8%
Safe floor: 16.0%
Water Depth (Adit)
14.5m
Head pressure: 1.42 bar
Structural Risk
Moderate
Air Pocket: Stable