ERTMS UNIT

EUROPEAN RAILWAY AGENCYTABLE OF CONTENTSAMENDMENT RECORD ....................................................................................................................... 2TABLE OF CONTENTS ........................................................................................................................ 31. INTRODUCTION ............................................................................................................................. 41.1 Context and purpose ........................................................................................................ 41.2 Scope ............................................................................................................................... 42. REFERENCE DOCUMENTS ............................................................................................................. 53. APPLICABLE SRS MODIFICATIONS ................................................................................................. 64. ENGINEERING RULES .................................................................................................................... 74.1 Emergency brake characteristics ...................................................................................... 74.1.1 Introduction .................................................................................................................. 74.1.2 Nominal emergency brake deceleration profile ............................................................ 74.1.3 Emergency brake build up time ................................................................................... 84.1.4 Rolling stock correction factor Kdry_rst ....................................................................... 84.1.5 Rolling stock correction factor Kwet_rst ....................................................................... 94.2 National values for braking curves .................................................................................... 94.3 Reduced adhesion profiles (packet 71 – adhesion factor) .............................................. 105. CROSS BORDER TRAFFIC VS BRAKING CURVES FUNCTION ............................................................. 115.1 Handling of correction factors- computation of the EBD&EBI ......................................... 115.2 Compatibility issues ........................................................................................................ 13PAGE 3 OF 13