Highway and Rail Transit Tunnel Inspection Manual

CHAPTER 1: INTRODUCTION

CHAPTER 2: TUNNEL CONSTRUCTION AND SYSTEMS
A. Tunnel Types
1. Shapes
2. Liner Types
3. Invert Types
4. Construction Methods
5. Tunnel Finishes 2-11
B. Ventilation Systems
1. Types
2. Equipment
C. Lighting Systems
1. Types
D. Other Systems/Appurtenances
1. Track
2. Power (Third Rail/Catenary)
3. Signal/Communication Systems

CHAPTER 3: FUNDAMENTALS OF TUNNEL INSPECTION
A. Inspector Qualifications
1. Civil/Structural
2. Mechanical
3. Electrical
4. Track, Third Rail, Catenary, Signals and Communications
B. Responsibilities
C. Equipment/Tools
D. Preparation
1. Mobilization
2. Survey Control
3. Inspection Forms
E. Methods of Access
F. Safety Practices
1. Highway
2. Rail Transit

CHAPTER 4: INSPECTION PROCEDURES – GENERAL DISCUSSION
A. Inspection of Civil/Structural Elements
1. Frequency
2. What to Look For
3. Safety – Critical Repairs
4. Condition Codes
5. Tunnel Segments
B. Inspection of Mechanical Systems
1. Frequency
2. What to Look For
C. Inspection of Electrical Systems
1. Frequency
2. What to Look For
D. Inspection of Other Systems/Appurtenances
1. Inspection of Track Elements
2. Inspection of Power Systems (Third Rail/Catenary)
3. Inspection of Signal/Communication Systems

CHAPTER 5: INSPECTION DOCUMENTATION
A. Field Data
1. Tunnel Structure
2. Track Structure
3. Specialized Testing Reports
B. Repair Priority Definitions
1. Critical
2. Priority
3. Routine
C. Reports