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Colorado Tunnel Inventory & Inspection Manual

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Colorado Tunnel Inventory & Inspection Manual Colorado Tunnel Inventory & Inspection Manual Draft: April 4, 2018 Colorado Tunnel Inventory & Inspection Manual Colorado Tunnel Inventory & Inspection Manual April 4, 2018 Reviewed By: The development of this manual was sponsored and reviewed by the Colorado Department of Transportation 2018.04.04 ii Colorado Tunnel Inventory & Inspection Manual Acknowledgements This manual would not have been possible without the foresight and dedication to public safety by the Colorado Department of Transportation, especially those within Staff Bridge, Tunnel Asset Management, and the Chief Engineer. Additional acknowledgements to the United States Congress and the Federal Highway Administration for the development of the National Tunnel Inspection Standards which have been incorporated into the Code of Federal Regulations (23 CFR 650) and those responsible for the Tunnel Operations, Maintenance, Inspection, and Evaluation (TOMIE) and Specification for National Tunnel Inventory (SNTI) development. 2018.04.04 iii Table of Contents SECTION 1 INTRODUCTION .................................................................................................................... 1.1 1.1 Organization of the Specifications ................................................................................................ 1.2 1.2 History of the Colorado Tunnel Inventory and Inspection Manual .............................................. 1.2 1.3 Purpose of the Specifications........................................................................................................ 1.3 1.4 Units .............................................................................................................................................. 1.3 SECTION 2 TUNNEL INVENTORY ITEMS ................................................................................................. 2.1 2.1 Introduction .................................................................................................................................. 2.4 2.2 Identification Items ....................................................................................................................... 2.6 2.3 Age and Service Items ................................................................................................................. 2.23 2.4 Classification Items ..................................................................................................................... 2.32 2.5 Geometric Data Items ................................................................................................................. 2.39 2.6 Inspection Items .......................................................................................................................... 2.45 2.7 Load Rating and Posting Items .................................................................................................... 2.52 2.8 Navigation Items ......................................................................................................................... 2.59 2.9 Structure Type and Material Items ............................................................................................. 2.62 SECTION 3 ELEMENTS ............................................................................................................................. 3.1 3.1 Introduction .................................................................................................................................. 3.2 3.2 Structural Section .......................................................................................................................... 3.6 3.3 Civil Section ............................................................................................................................... 3.115 3.4 Mechanical Systems Section ..................................................................................................... 3.139 3.5 Electrical and Lighting Systems Section .................................................................................... 3.163 3.6 Fire/Life Safety/Security Systems Section ................................................................................ 3.183 3.7 Signs Section ............................................................................................................................. 3.196 3.8 Protective Systems Section ....................................................................................................... 3.203 SECTION 4 INSPECTION AND SAFETY STANDARDS ............................................................................... 4.1 4.1 Introduction – Inspection & Safety Standards .............................................................................. 4.3 4.2 CDOT Organization and Hierarchy ................................................................................................ 4.3 4.3 Inspector Qualifications ................................................................................................................ 4.3 4.3.1 Consultant Program Manager ................................................................................................... 4.4 Click to return to: iv Colorado Tunnel Inventory & Inspection Manual 4.3.2 Team Leader .............................................................................................................................. 4.4 4.3.3 General Inspectors .................................................................................................................... 4.5 4.3.4 Specialty Contractors or Discipline Specific Inspectors ............................................................ 4.5 4.4 Inspection Procedures, Techniques and Scheduling ..................................................................... 4.6 4.4.1 Mobilization, Planning, Scheduling ........................................................................................... 4.6 4.4.2 Existing Tunnel Records ............................................................................................................ 4.7 4.4.3 Traffic Control ........................................................................................................................... 4.7 4.4.4 Confined Space Entry ................................................................................................................ 4.8 4.4.5 Lockout Tag-out ........................................................................................................................ 4.8 4.4.6 Night Inspection Work .............................................................................................................. 4.8 4.4.7 Pre-Inspection Preparation of Tunnel ....................................................................................... 4.9 4.5 Inspection Types and Frequencies ................................................................................................ 4.9 4.5.1 Initial Inspection ...................................................................................................................... 4.10 4.5.2 Routine Inspection .................................................................................................................. 4.10 4.5.3 Special Inspections .................................................................................................................. 4.13 4.5.4 In-Depth Inspections ............................................................................................................... 4.14 4.5.5 Damage Inspections ................................................................................................................ 4.15 4.6 Health and Safety Procedures ..................................................................................................... 4.15 4.6.1 Night Inspection Safety ........................................................................................................... 4.17 4.6.2 Confined Space Safety............................................................................................................. 4.18 4.6.3 Hazardous Materials ............................................................................................................... 4.19 4.6.4 Lockout/ Tag-Out .................................................................................................................... 4.19 4.6.5 Traffic Control Safety .............................................................................................................. 4.19 4.6.6 Overhead Power/Utility Lines ................................................................................................. 4.20 4.6.7 Electrical/Arc Flash .................................................................................................................. 4.21 4.6.8 ................................................................................................................................................. 4.23 4.7 Inspection Techniques ................................................................................................................ 4.24 SECTION 5 INSPECTION FINDINGS, DATA CAPTURE AND REPORT DELIVERABLES .............................. 5.1 5.1 Data Collecting and Deliverables .................................................................................................. 5.2 5.1.1 Recommended Complex Tunnel Report Content ..................................................................... 5.2 2018.04.04 Table of Contents v Colorado Tunnel Inventory & Inspection Manual 5.1.2 Recommended Simple Tunnel Report Content .......................................................................
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