CMS Procedure Template
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Qatar Rail Guidance for Monitoring Works by Third Party on Existing Qatar Rail Assets LEADING EXCELLENCE │ TM-224-G01, Rev. 1.0, 31/07/18 Printed copy is uncontrolled and only valid at the time of printing. Always refer online for the latest approved revision. Qatar Rail Guidance for Monitoring Works by Third Party on Existing Qatar Rail Assets Company Management System Table of contents Introduction .................................................................................................................................................. 8 Purpose & Scope 8 Densely Populated Areas 8 Risk of Structural Failure 8 Assessing the Situation 9 Background and Law 10 Safeguarding 11 Protection Zone Hierarchy 11 Provision of Document 12 Applicability 12 Change of Ownership 12 Replacement of Facility 12 Document Control and Revision 13 Definitions 13 Abbreviations 18 Liability 20 Disclaimer 21 Specifications & Standards ........................................................................................................................... 22 Specifications 22 Standards 22 Hierarchy of Standards 22 Scope - Field of application - Obligations and Responsibilities ..................................................................... 23 Scope 23 Purpose of Monitoring 23 Roles and Responsibilities 23 Third Party Liabilities and Obligation in the Design-Execution of Works 23 Competent & Qualified Person 24 Design Engineer 24 Supervision Engineer 24 Thrid Party Developer 25 Instrumentation & Monitoring Team 25 Health, Safety & Environment ...................................................................................................................... 26 Personal Protective and Safety Equipment 27 Medical / First Aid Facilities 27 Protection of the Environment 27 Risk Management ........................................................................................................................................ 28 General 28 Risk Assessment Process 29 ALARP 30 Risk & Hazard Identification 30 General 30 Risk Origin 30 Obtain Information 31 Risk & Hazard Review & Assessment 34 Future Railway Structures 34 Existing Railway Structures 34 Risk Assessment 35 Three Stage Risk Assessment 35 LEADING EXCELLENCE │ TM-224-G01, Rev. 1.0, 31/07/18 Page 2 of 155 Printed copy is uncontrolled and only valid at the time of printing. Always refer online for the latest approved revision. Qatar Rail Guidance for Monitoring Works by Third Party on Existing Qatar Rail Assets Company Management System Risk Assessment (Settlement-) Reports 36 Risk & Hazard Evaluation 36 Frequency Category (Settlement-) Hazard 36 Hazard Severity 37 Risk Matrix 37 Risk & Hazard Control 38 Railway Zone of Influence ............................................................................................................................ 39 Allowable Limits ........................................................................................................................................... 41 General 41 Guidance 41 Principle 42 Pre-Survey of Track – Zero Reading 43 Absolute Displacement Limit of 5 mm 43 Existing Ground (-Level) vs. Design Ground Level 43 Noise and Vibration Plan 51 Minimum Area of Monitoring 54 Vibration Mitigation 54 Noise Assessment 55 Noise Mitigation 55 Monitoring ................................................................................................................................................... 57 8.1 Monitoring Requirement 59 8.2 Pre- & Post Condition Survey 61 8.3 Monitoring Categories 61 8.4 Required Instrumentation within the Rail Protection Zone 62 8.5 Monitoring Data Distribution 65 8.5.1 Threshold / Risk Levels 65 8.5.2 Risk & Trigger Review Levels 66 8.6 Frequency of Monitoring 68 8.7 Guidance – Classification of Damage 68 8.7.1 General 68 8.7.2 Concrete Cracks 69 8.7.3 Concrete Cracks Characteristics 69 8.7.4 Concrete Cracks Width 69 8.7.5 Concrete Cracks Location & Orientation 71 8.7.6 Concrete Cracks Depth 71 8.7.7 Concrete Cracks Spatial Distribution 71 8.7.8 Concrete Cracks & Water 71 8.7.9 Repair – EN 1504 71 8.7.10 Non-Concrete Elements 72 8.8 Monitoring Program & Plan 73 8.8.1 Baseline 73 8.8.2 Construction Monitoring 73 8.8.3 Close-out Monitoring 73 8.8.4 Frequency of Monitoring 73 8.9 Monitoring Parts 74 8.10 Central Monitoring Software 74 8.11 Data Transmission 76 8.11.1 Automatic Upload 76 8.11.2 Manual Upload 76 8.11.3 Visualisation 76 9 Excavations & Structures .............................................................................................................................. 78 9.1 General 78 LEADING EXCELLENCE │ TM-224-G01, Rev. 1.0, 31/07/18 Page 3 of 155 Printed copy is uncontrolled and only valid at the time of printing. Always refer online for the latest approved revision. Qatar Rail Guidance for Monitoring Works by Third Party on Existing Qatar Rail Assets Company Management System 9.2 Review of Data 83 9.3 Instrumentation 83 9.4 Layout 84 9.4.1 General 84 9.4.2 Metro Tunnel 84 9.4.3 New Austrian Tunnelling Method NATM 84 9.4.4 Shafts 84 9.4.5 TBM Launch 84 9.4.6 Temporary Works 84 9.4.7 Existing Structures & Utilities 85 9.4.8 Underground Utilities 85 9.4.9 Buildings & Structures on Piles 85 9.5 Monitoring Installation 85 9.6 Piezometers 86 9.7 Inclinometer 86 9.8 Load Cells 86 9.9 Extensometers 87 9.10 Maintenance, Inspection and Calibration of Instruments 89 9.11 Removal of Instruments 89 9.12 Accuracy Requirements 89 9.13 Survey Monitoring with Geodetic Instruments 90 9.14 Equipment for Distance and Elevation Measurements 90 9.14.1 Total Station 90 9.14.2 Digital Leveller 91 9.14.3 Bolts and Prisms 91 10 Track Monitoring .......................................................................................................................................... 92 10.1 General 92 10.2 Instrumentation & Monitoring Strategy (IMS) 92 10.3 Monitoring Methods 93 10.4 Wireless Sensor Networks (WSNs) 93 10.5 Fixed Monitoring 93 10.5.1 Railway Tracks 96 10.5.2 Railway Bed 97 10.6 Movable Monitoring 97 11 Structural Health Monitoring SHM ............................................................................................................... 99 11.1 General 99 11.2 Background 99 11.3 Objectives 99 11.4 Structural Risk 100 11.4.1 General 100 11.5 Principles 102 11.6 Methods 105 11.6.1 Crack Monitoring 105 11.6.2 Displacement Monitoring 107 11.6.3 Robotic Total Stations RTS 108 11.6.4 Global Positioning System (GPS) 108 11.6.5 Deformation - Strains 109 11.6.6 Fiber Bragg Grating System FBG 109 11.6.7 Brillouin Monitoring System 110 11.6.8 Decision Support System DSS 110 11.6.9 Determistic and probabilistic Assessment Algorithms 111 11.6.10 Data Interpretation of Strain Measurements 114 11.6.11 Railway Tunnels 114 LEADING EXCELLENCE │ TM-224-G01, Rev. 1.0, 31/07/18 Page 4 of 155 Printed copy is uncontrolled and only valid at the time of printing. Always refer online for the latest approved revision. Qatar Rail Guidance for Monitoring Works by Third Party on Existing Qatar Rail Assets Company Management System 12 Corrosion Monitoring & Mitigation ............................................................................................................ 120 12.1 General 120 12.2 Qatar Rail Practice 121 12.2.1 Interaface Connecton Points to the Reinforcement 121 12.2.2 Interface Points - Datalogger 121 12.2.3 Interface Points – Hybrid Anodes Pre-Installed 126 12.2.4 Corrosion Sensors 126 13 Image Based System for Change Detection ................................................................................................ 129 14 Automatic Deformation Tunnel Monitoring System ADMS ........................................................................ 130 14.1 Reference 130 14.2 ADMS - Description 130 15 Documentation .......................................................................................................................................... 134 15.1 Records 134 15.2 Installation Records 134 15.3 Material Data Sheet Submissions 134 16 Contingency Action Plan & Emergency List ................................................................................................. 135 16.1 Contingency Action Plan 135 16.2 Emergency Contacts 136 16.3 Damage Recording 136 17 Complaints Procedure ................................................................................................................................ 137 18 Building Damage Assessment Procedures .................................................................................................. 138 18.1 State of the Art 138 19 Independent Verification ........................................................................................................................... 139 20 References ................................................................................................................................................. 140 21 Example Damage Assessment Sheet .......................................................................................................... 143 22 Structural Challenges ................................................................................................................................. 144 23 Metro Network Phase 1 ............................................................................................................................. 153 24 Metro Network Phase 1 (Doha) .................................................................................................................. 154 25 Metro Network Phase 1a ..........................................................................................................................