C) TECHNICAL REQUIREMENTS (ERT) 1) TRACK WORKS TABLE OF CONTENTS 1 TRACK WORKS ............................................................................................................................................ 1 1.1 DEFINITION OF TERMS ..................................................................................................................... 1 1.2 INTRODUCTION .................................................................................................................................. 3 1.2.1 General ..................................................................................................................................... 3 1.2.2 Scope ........................................................................................................................................ 3 1.2.3 Securing Safety ......................................................................................................................... 3 1.2.4 Track System for MMS Project ................................................................................................ 4 1.3 DESIGN REQUIREMENTS .................................................................................................................. 5 1.3.1 General ..................................................................................................................................... 5 1.3.2 Track Works Design Principles ................................................................................................ 5 1.3.3 Design Input Documents .......................................................................................................... 6 1.3.4 General Design Documents ...................................................................................................... 6 1.3.5 Component Specification ......................................................................................................... 6 1.3.6 Material Specification Sheet (MSS) ......................................................................................... 7 1.3.7 Installation and Control Procedures / Installation Drawings .................................................... 7 1.3.8 Quality Control Plan ................................................................................................................. 7 1.3.9 Temporary Works ..................................................................................................................... 8 1.3.10 Interface Requirements / Obligations ....................................................................................... 8 1.4 PARTICULAR TRACK SPECIFICATIONS ........................................................................................ 9 1.4.1 Scope of Works ........................................................................................................................ 9 1.4.2 Standards and Codes of Practice ............................................................................................ 10 1.4.3 Samples of Materials and Workmanship ................................................................................ 10 1.4.4 Test of Materials and Components ......................................................................................... 11 1.4.5 Inspections .............................................................................................................................. 11 1.4.6 Quality .................................................................................................................................... 11 1.4.7 Site Records ............................................................................................................................ 11 1.4.8 Delivery, Storage, and Handling ............................................................................................ 12 1.4.9 Housekeeping ......................................................................................................................... 12 1.5 Operational Criteria .............................................................................................................................. 13 1.6 TRACK WORK CONSTRUCTION .................................................................................................... 15 1.6.1 General Descriptions of Track Forms..................................................................................... 15 1.7 PROCEDURES .................................................................................................................................... 16 1.7.1 Work Plans ............................................................................................................................. 16 1.7.2 Preconstruction Inspection ..................................................................................................... 16 1.7.3 Compliance Inspection ........................................................................................................... 16 1.7.4 Final Inspection (Prior to Train Test running or Contract Completion) ................................. 17 1.7.5 Alignment and Setting Out ..................................................................................................... 17 1.8 INSTALLATION ................................................................................................................................. 18 1.8.1 Concrete Track Bed ................................................................................................................ 18 1.8.2 Track Components.................................................................................................................. 19 1.8.3 Cant ........................................................................................................................................ 19 1.8.4 Access for Cables and Drainage ............................................................................................. 19 1.9 CONSTRUCTION TOLERANCES .................................................................................................... 21 1.9.1 Positional Tolerances - Main Running Lines ......................................................................... 21 1.9.2 Acceptance Tolerances – Track in Main Lines ...................................................................... 21 1.9.3 Acceptance Tolerances – Turnouts ......................................................................................... 21 1.10 RAIL ..................................................................................................................................................... 23 1.10.1 General ................................................................................................................................... 23 1.10.2 Rail Section and Material ....................................................................................................... 23 1.10.3 Standard Rail .......................................................................................................................... 23 1.10.4 Head Hardened Rail ............................................................................................................... 24 1.10.5 End Hardened Rail ................................................................................................................. 24 1.10.6 Transition Rail ........................................................................................................................ 24 1.10.7 Continuously Welding Rails ................................................................................................... 24 1.10.8 Dimensions and Tolerances .................................................................................................... 25 1.10.9 Cutting Rails ........................................................................................................................... 25 1.10.10 Minimum Length of Closure Rails ......................................................................................... 25 1.10.11 Electric Resistance.................................................................................................................. 25 1.10.12 Check Rail .............................................................................................................................. 25 1.10.13 Identification .......................................................................................................................... 26 1.10.14 Delivery, Storage and Handling ............................................................................................. 26 1.10.15 Certification ............................................................................................................................ 27 1.11 RAIL FASTENING SYSTEM ............................................................................................................. 28 1.11.1 Rail Fixation Fastening Track System for Ballast Less Tracks .............................................. 28 1.11.2 Rail Fastening Assembly for PS Concrete Sleepers for Ballasted Tracks .............................. 29 1.11.3 Fastener Spacing ..................................................................................................................... 29 1.11.4 Track Adjustment ................................................................................................................... 30 1.11.5 Anchorage System .................................................................................................................. 30 1.11.6 Rail Seat Pads