IRC SP 91 (2010) provides comprehensive guidelines for the planning, design, construction, operation, and maintenance of road tunnels in India. It addresses geological investigations, tunnel classification, ventilation, lighting, safety measures, and quality assurance to ensure safe and efficient tunnel infrastructure. This standard is essential for engineers and professionals involved in road tunnel projects, focusing on both urban and non-urban environments with detailed technical and environmental considerations.
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2010Edition
Roads and Bridges IRC- Indian road congress Category
IRC SP 91 (2010) provides comprehensive guidelines for the planning, design, construction, operation, and maintenance of road tunnels in India. It addresses geological investigations, tunnel classification, ventilation, lighting, safety measures, and quality assurance to ensure safe and efficient tunnel infrastructure. This standard is essential for engineers and professionals involved in road tunnel projects, focusing on both urban and non-urban environments with detailed technical and environmental considerations.
Audience
Who Uses This Standard
Tunnel Design Engineers
Geotechnical Engineers
Construction Project Managers
Road Infrastructure Planners
Safety and Operations Managers
Ventilation and Lighting Specialists
Quality Assurance Inspectors
Contents
Key Topics Covered
✓Tunnel classification and geometry
✓Geological and geotechnical investigations
✓Tunnel excavation and support methods
✓Ventilation system design and air quality control
✓Lighting requirements for tunnels
✓Safety provisions including fire safety and emergency egress
✓Blasting operations and vibration control
✓Tunnel instrumentation and monitoring
✓Construction quality assurance and control
✓Environmental management in tunneling
✓Tunnel furnishings and utilities installation
✓Operational and maintenance organizational structures
✓Noise protection in tunnels
✓Cost estimation for tunnel projects
✓Seismic and stress considerations in tunnel design
Structure
Table of Contents
1Scope▼
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1.5.5Side Coverage Classification▼
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2.16Detailed Design of Permanent Ventilation and Lighting System▼
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3.3.3.5Observations on Core Samples▼
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2.8.2.5Finished Section of Tunnel▼
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6.4Ventilation and Noise Protection▼
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8.3.1Organizational Structure for Operation and Maintenance▼
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8.5.3.2Speed Limits in Tunnels▼
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6.8.3Arrangement of Pipes and Cables▼
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3.3.4.3Seismic Methods for Geological Surveys▼
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1.6Distinctive Features of Tunnelling▼
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5.7.3Quality Assurance and Quality Control in Construction▼
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5.3.1Blasting Operations and Vibration Limits▼
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2.18Tunnel Furnishings▼
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6.3.5Scaling and Mucking Operations▼
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Frequently Asked
Popular Questions About IRC SP 91
?What are the classifications of road tunnels according to IRC SP 91?▼
Detailed answer not available.
?How should ventilation and lighting systems be designed for different tunnel lengths?▼
Detailed answer not available.
?What geological investigations are recommended before tunnel construction?▼
Detailed answer not available.
?What safety measures and emergency provisions are required inside road tunnels?▼
Detailed answer not available.
?How does the standard address quality assurance during tunnel construction?▼
Detailed answer not available.
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