Conventional signalling cost breakdown (IM-SIG-014)

The signalling and cable contracts amounted to £7.75m and are detailed in Appendices A and B respectively. Figs. 1a and 1b summarise the breakdowns. It can be seen (Fig. 1b) that labour, overheads and profit represents a major part (43%) other major proportions (1a) are relay room and power equipment...