Hong Kong Electric – pioneer of mechanised tunnelling in 1989
IDJ has sent this 1997 article published on behalf of the HK Academy of Engineering Sciences and HK Institution of Engineers.
“In 1989 Hong Kong Electric pioneered the introduction of mechanised tunnelling to Hong Kong, accepting the only bid that proposed the use of a tunnel boring machine for the construction of a 5.7 kilometre, 5 metre diameter cable tunnel as part of its transmission network, thus heralding a new era in tunnelling work in the city.
Routing cables through tunnels removes the visual impact of overhead transmission lines. For the same reason, the company is phasing out 66kV overhead cable circuits still present in the southern part of Hong Kong Island. Electricity is now principally transmitted via a network of underground cables, which remove the problem of intrusion while offering the advantage of superior reliability, as they are protected against inclement weather.” (1)
- Engineering Hong Kong: 50 Years of Achievements, Published by The Chinese University Press and Henderson & Associates Ltd for the HK Academy of Engineering Sciences and HK Institution of Engineers, 1997
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