The views expressed in this book are the author’s own but he W XX08"
acknowledges his debt to his many immediate colleagues in Halcrow and to (k<__W c_t
so many tunnellers and others around the world for several of the thoughts (T8dh|
which have prompted the book. The author accepts full responsibility for 2|}KBny
any misunderstanding. The account may be criticised as unduly orientated o0FVVS l
towards the British and European examples. This is justified by selecting I7HP~v~
examples for which the circumstances are generally familiar; lessons learned ct@i]}"`
may well have more universal application. The Channel Tunnel, for 0 ChdFf7
example, provides many examples of meritorious engineering with less 5tcJ T z
meritorious management. An exemplary account of its engineering geology o(3`-ucD`
(Harris et al. 1996) attracts numerous references on account of its depth and y R_x:,|g
breadth.
