1 Prepares basic track alignment definitive design (KD1)
2 Review & check and incorporate in their Civil Works Definitive Design (KD1)
3 Undertakes speed runs and confirms cant excess/deficiency
4 Applies KE and designs trackwork detailed element
5 Apply Structure Gauges & design Civil Works outside SG (including Tunnel Alignment Setting out)
6 Liaise with C5 on final coordinated detail design (KD2)
7 Construction Proceeds
8 As built Surveys / Tunnel or Viaduct and Station platform edge (if cast prior to installation of trackwork)