soil analyst; projects officer; chartered engineer; soil mechanics laboritory; disk 5; class 90, changing equipment on locomotive in service; first class 91 run in 1988 hauling a failed High Speed Train (HST), adapted sets to form test train sets, late delivery of mark 4 carriages, 6000hp traction; signalled to unelectrified lines, pantograph and awning damage; thefts throughout the region; cost of electrification, number of train sets; signal interferance, overcoming running and installation problems; royal train; 3hrs 29mins London-Edinburgh; North london lines; Chris Green; solving operating problems; investment committee; tilt detection failure system, problems; R. Campbell;