NR/L2/TRK/2102 : 8

1 Purpose
2 Scope
3 Definitions
4 Track design policy - business outputs,
   systems and materials
5 Track system specification
6 Design and construction of the track system
7 New construction - design
8 Geometry design
9 Specification of rails and rail fastenings
10 Specification of plain line
11 Specification of switches and crossings
12 Conversion of jointed track to CWR
13 Holes in rails
14 Geometry targets and tolerances
15 Tamping and dynamic track stabilisers DTS
16 Site Marking
17 Rail flange lubrication
18 Lineside information and signage
19 Raising of speed or axle weight on existing track
20 Conversion of freight only lines to passenger lines
21 Decommissioning of redundant assets
22 Records
Appendix A - Geometrical track tolerances
Appendix B - Track Categories
Appendix C - Miles per hour (mph) conversion to
             kilometres per hour (km/h)

Specifies to control the risk of incorrect materials and components being specified and to control the required quality of installation of track. Provides the design principles and minimum standards for the construction of new or relayed track, including the materials to be used. Also, specifies acceptance criteria for new or relayed track in terms of workmanship and the track geometry requirements for both newly installed and existing track.