Authors:
F E CAMPION,
C W KING,
V A M ROBERTSON,
H J B HARDING,
L FAIRCLOUGH,
W C CLENSHAW,
J I CAMPBELL,
A REID,
E J C REED,
A I MACMILLAN,
F L CASSEL,
R A H BURTON,
W P S COCKLE,
L R WADDINGTON
DISCUSSION ON BO-PEEP AND ARLEY TUNNELS 93 Discussion The Authors presented their Papers with the aid of lantern slides. Mr V. A. M. Robertson remarked on the importance of regular and detailed inspection of tunnels and of permanent way. The Divisional Engineer had had a responsible job in connexion with the Bo-Peep tunnel, as had the inspector, and neither of them hadfailed. It was fortunate that when the movement had started a t Bo-Peep, there had been a research section a t Waterloo whosesolebusiness had been to find out the cause of the trouble ; it was also fortunatethat one of the staff had had previous experience of cast-iron tunnels ; so it had been decided that, in order to get the job done as quickly as possible-summer traffic had to be resumed in June 1950-the quickest, cheapest, and safest way of doing the job was to put a 26-foot-diameter cast-irontunnel inside the old brick one...