Emergency Ops

Subterranean Hydro Tunnel Survival & Rescue Profile Explorer

Nepal-Tibet Border Flash Flood Event · 1,200+ Confirmed Dead · 5,000+ Missing
Air Pocket Volume
1,662.5 m³
Hydrostatic Head: 1.34 atm
Atmospheric PaO2 / PCO2
17.4 / 2.8 kPa
Viable Air Pocket Maintained
Acoustic Geophone Array
+14.8 dB
Voices Confirmed by Listening Array
Rotary Borehole Time
38.9 hrs
Depth: 280 m Metamorphic Rock
Subterranean Tunnel Elevation Cutaway (1,850 m Headrace Bore)
Metamorphic Overburden
Debris Plug (Silt Slurry)
Flood Sump Seal
Pressurized Survivor Cavity
Rescue Percussion Borehole
Atmosphere & Survival Envelope Dynamics

Closed-pocket metabolic depletion modeled for 2 workers over 9 days at 14°C ambient headrace temperature.

• Partial Pressure O₂: 17.4 kPa (Hypoxia limit: 12.0 kPa)
• Partial Pressure CO₂: 2.8 kPa (Hypercapnic toxicity: 5.0 kPa)
• Cavity Air Trapped: 1,662.5 m³ (Compressed from 1,930 m³)
• Hydrostatic Pressure: 135.8 kPa (1.34 atm)
Acoustic Geophone & Drill Trajectory

Seismic sensor detection threshold through gneiss bedrock versus muddy silt slurry.

• Overburden Depth: 280 m vertical shaft
• Penetration Rate: 7.2 m/hr (Down-The-Hole Hammer)
• Geophone SNR: +14.8 dB (Bedrock acoustic transmission)
• Status: VOICE SIGNALS DETECTED
Incident Background & Engineering Rationale: Following the severe flash flood disaster along the Nepal-Tibet border watershed resulting in over 1,200 fatalities and 5,000 missing, rapid geotechnical mobilization achieved the extraction of two workers trapped nine days subterranean in a hydropower headrace tunnel. Surface geophones detected structural tapping and vocal signatures through solid metamorphic gneiss, providing exact coordinates for emergency rotary percussion drilling.
Super generates helpful tools and automates fact-checking across the internet proactively. If you enjoyed this tool, build your own with Super and share it with a friend.