Nepal Tunnel Flood & Rescue Simulator

Air Pocket Survival

9.2 days

Water Drawdown

8.3 m

Silt Stability Index

0.84 SSI

Borehole Breach

YES Targeted

Current Timeline

Day 9.0 (Extricated)

Operation Status

Scrub: Day 9.0

Rescue Borehole Trajectory

Auger Inclination Angle 32°

Drill Depth Penetration 100%

Oxygen & Slurry Feed Line

Hydraulic Dewatering

Suction Pump Discharge 45 m³/h

Tunnel Flood Crest Inflow 14.5 m

*Warning: Dewatering > 90 m³/h can trigger rapid pore-pressure drop and silt plug liquefaction.

Operational Dossier

Ground truth modeling based on Associated Press reports: catastrophic Himalayan flooding sealed the adit with alluvial silt; 2 workers survived inside the unflooded terminal air chamber.