| The "Build-Operate-Transfer"
(BOT) Franchise |
| Franchisee
|
Western Harbour Tunnel Company Limited |
| Franchise
Period |
30 years including construction period |
| Construction
Period |
August 1993 to April 1997 (45 months) |
| Construction
Cost |
HK$5.7 billion |
| Total Project
Cost |
HK$7 billion |
| Contractor
|
Nishimatsu Kumagai Joint Venture |
|
|
| |
| The Tunnel |
| No.
of Traffic Lanes |
6 lanes (dual 3-lane tunnel) |
| Traffic
Capacity |
Maximum 180,000 vehicles per day |
| Tunnel
Length |
1,975 m between West Kowloon and Sai
Ying Pun |
| Speed Limit |
80 km/h (50 km/h for the one-tube-two-way
operation) |
| Design
Life of Tunnel Structure |
120 years |
|
|
| |
| Major Quantities of the Works |
| 1) Toll Plaza at West Kowloon
|
| No.
of Toll Lanes |
20 lanes (4 reversible to provide
12 toll lanes for traffic in one direction
at peak hours) |
| Speed Limit |
50 km/h |
| Administration
Building |
3 storeys with total gross floor area
of 4,280 m2 including Central
Control Room |
| No. of
Footbridge |
1 unit |
| No. of
Bus Interchanges |
2 units (on both sides of the Toll
Plaza) |
|
|
 |
| 2) Tunnel Approach at West Kowloon |
| No.
of Ventilation Building |
1 unit (45 m diameter) |
| Length of Cut
& Cover Tunnel |
251.5 m |
| Length
of Open Ramp |
164 m |
|
|
|
| 3) Immersed Tube Tunnel |
| Total
Length |
1,363 m |
| No. of
Units |
12 units |
| Size of
Each Unit |
113.5 m (L) x 33.4 m (W) x 8.57 m
(H), weighing 35,000 tonnes on average |
|
|
|
| 4) Tunnel Approach at Sai Ying
Pun |
| No.
of Ventilation Building |
1 unit (45 m diameter) |
| Length
of Cut & Cover Tunnel |
355.5 m |
| Length
of Open Ramp |
134 m |
|
|
|
| 5) Sai Ying Pun Interchange |
| Length
of Ground Level Roads |
3,000 m |
| No. of
Traffic Control Point |
1 unit |
|
|
|
| 6) Route 4 (Sheung Wan to Belcher
Bay) |
| No.
of Bridges |
17 units |
| Elevated
Length |
3,230 m |
| Paved
Deck Area |
43,000 m2 |
|
|
|
| 7) Electrical & Mechanical |
| Tunnel
Ventilation Fans |
36 reversible fans (2.5 m diameter) |
| Jet Fans
for Smoke Control |
10 sets |
| Air Quality
Environmental Sensors |
10 sets |
| Tunnel
Lightings Fittings |
4,537 units |
| Drainage
Pumps |
37 units |
| Traffic
Control Signs / Signals |
256 units |
| Automatic
Incident Detection Loops |
210 units |
| Overheight
Vehicle Detectors |
6 sets |
| CCTV Cameras |
90 units |
| Vehicle
Weighing Facilities |
3 sets |
| No. of
Autotoll Lanes |
6 lanes (additional 2 autotoll lanes
are reserved) |
|
|
Driver Zone