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| Facts & Figures |
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| 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 |
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| The Tunnel |
| No. of Traffic Lanes |
6 lanes (dual 3-lane tunnel) |
| Traffic Capacity |
Maximum 180,000 vehicles per day |
| Tunnel Length |
1,970 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 |
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| 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) |
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| 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 |
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| 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 |
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| 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 |
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| 5) Sai Ying Pun Interchange |
| Length of Ground Level
Roads |
3,000 m |
| No. of Traffic Control Point |
1 unit |
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| 6) Route 4 (Sheung Wan to Belcher Bay) |
| No. of Bridges |
17 units |
| Elevated Length |
3,230 m |
| Paved Deck Area |
43,000 m2 |
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| 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 |
4,535 units |
| Drainage Pumps |
37 units |
| Traffic Control Signs / Signals |
256 units |
| Automatic Incident Detection Loops |
212 units |
| Overheight Vehicle Detectors |
6 sets |
| CCTV Cameras |
84 units (24-hour recording) |
| Vehicle Weighing Facilities |
3 sets |
| No. of Autotoll Lanes |
6 lanes (additional 2 autotoll lanes are reserved) |
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