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5
10
Pipelines
18.
the
The three pairs of submarine pipelines under harbour (Tsim Sha Tsui East to Kellett Island, Ma Tau Kok to North Point and Cha Kwo Ling to Quarry Bay), the pipelines inside the Second Lion Rock Tunnel and Old Beacon Hill Railway Tunnel, Junk Bay Tunnel, the pipelines along the old and new Tsing Yi Bridge and Ap Lei Chau Bridge, the valve chambers at Tsim Sha Tsui East, Kellet Island and North Point, those outside tunnel portals and those on the two Tsing Yi Bridges are particularly vulnerable.
19.
The submarine naphtha pipeline from Harbour Island and two pairs of submarine gas pipelines from Island House and Shatin pressure regulating station to Tai Po Gas Works (at Tai Po Industrial Estate) are also particularly vulnerable.
Pressure
Stations
Regulating
Installations and Pigging
20.
The
security of pressure regulating installations and pigging stations could present a problem. The Company has over 379 kiosks associated with its distribution system in many different They are generally constructed of steel
locations.
and are locked.
21.
There are also high pressure regulating stations (including those at Beacon Hill Tunnel North and South Portals, Shatin, Tai Po West, Fanling, To Yuen Street, Sai Wan Ho, Chai Wan and North Point and pigging stations at Shatin, Island House, Quarry Bay, Cha Kwo Ling and North Point) which are all unmanned, above-ground, fenced off and monitored by video slow-scan closed circuit television systems. determined person could gain access to these installations/stations without too much difficulty.
A
Exposed mains
22.
Exposed
mains
would be particularly
vulnerable. These exist in the following locations :
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