This leaflet: defines the reference profile of the kinematic gauge for powered vehicles, coaches and wagons, fixes the rules associated with the reference profile of the kinematic gauge for determining the maximum construction gauge, specifies the position of the various gauges in relation to each other and gives a definition of each, enables the maximum construction gauges to be determined: by calculation, point 7 by the graphic method, Appendix B. Comments and explanations concerning the preparation of the provisions and the formulae are given in UIC Leaflet 505-5 .