The New York Rapid-transit Subway
Forfatter: Willialm Barclay Parsons
År: 1908
Forlag: The Institution
Sted: London
Sider: 135
UDK: 624.19
With An Abstract Of The Discussion Upon The Paper.
By Permission of the Council. Excerpt Minutes of Proceedings of The Institute of Civil Engineers. Vol. clxxiii. Session 1907-1908. Part iii
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Proceedings.]
DISCUSSION ON NEW YORK SUBWAY.
67
larger than on the Central London ; they were 12 feet in diameter Mr, Galbraith,
on the straight and 12 feet 9 inches at the sharp curves, whereas
the Central London tubes were 11 feet 6 inches. The cost per mile
of the Waterloo and City line included the concrete lining of the
tunnels, and he thought there was nothing of that kind on the
running-tunnels of the Central London. Sir John Wolfe Barry had
made rather an onslaught on tubes. He had given the cost of one
tube, probably the Piccadilly line, as £740,000 per mile ; he had
objected to the disturbance of buildings and to the delay in the lifts;
and had concluded by saying that the tube-railway system of London
was totally wrong. With regard to those objections Mr. Galbraith
would like to say a few words. There was no need to spend £700,000
per mile on a tube railway in London, and it seemed to him that
some financial mystery must be responsible for that figure. He had
already given the cost of one tube railway at .£483,000, and he failed
to see the ground for €700,000. Witli regard to damage to buildings
inflicted by tubes, the figure he had given with regard to the Waterloo
and City railway included all damage to buildings because the
contractor’s price covered that item. What damage was inflicted
the contractor had to pay for himself. He did not know what had
been spent on the Central London railway in compensation for
damage to buildings, but on the Baker Street and Waterloo, which
was 43 miles long, and on the Charing Cross, Euston and Hampstead,
about 8 miles long, double track, although these lines ran through very
crowded parts of London, and, in places, through very narrow streets,
the total cost of damage to property was only about £3,000 or £4,000
on the whole of the lines, from Charing Cross to Highgate and to
Golders Green on the one line, and from the Elephant and Castle to
the Great Central railway on the other. Of course if a railway was not
properly constructed and maintained, the cost very soon mounted up,
but if it was constructed properly, and the rings were grouted as the
work went on, there was no need of any apprehension of great outlay
in compensation for damage to property. On the Waterloo and City
railway a little damage to property occurred in the neighbourhood of
Walbrook, where there was a very treacherous bit of ground, con-
sisting of an embankment deposited many years ago. At one end of
the street certain failures occurred; the contractor did not admit
liability, but compromised by repairing the buildings, and nothing
had been heard about it since. With regard to the delay at the lifts,
Mr. Galbraith freely admitted that a shallow subway with short stairs
to the street was far better than a tube with lifts, causing a certain
amount of delay. But the question was, were shallow subways in
London practicable? He had very great doubt about that. He did