To cut landslide risks, NHAI installs slope drain pipe system on Kalka-Shimla stretch ahead of monsoon in Himachal Pradesh
GS3Economy · S&T · Environment · Security· Infrastructure (energy, ports, roads, railways)· Prelims·
Why in news
The National Highways Authority of India (NHAI) is installing a slope drainage pipe system on the Kalka-Shimla highway to mitigate landslide risks during the monsoon.
Background
The project covers an 85 km-long stretch of the Kalka-Shimla highway in Himachal Pradesh. It involves installing cement-lined drains and plastic pipes at 83 identified vulnerable points to manage rainwater runoff.
Facts for Prelims
- BodyNHAI: National Highways Authority of India
- Fact83 vulnerable points identified for drainage pipe installation
- S&TIIT Bombay and IIT Ropar provided technical advice on slope stabilization measures
For Mains
Q. Discuss the engineering and environmental challenges in developing landslide-resistant infrastructure in the Himalayan region and the role of institutional collaboration in mitigating these risks.
Dimensions to cover in your answer
- Geological vulnerability: High seismic activity and fragile lithology in the Himalayas complicating slope stabilization
- Technical bottleneck: Limitations of traditional protection measures against high-intensity monsoon runoff
- Institutional synergy: Role of academic-industrial collaboration in developing site-specific geotechnical solutions
Keywords: Slope stabilization · Landslide mitigation · Geotechnical engineering · Monsoon preparedness · Infrastructure resilience
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