Eagle's Nest Tunnel
Encyclopedia
Eagle's Nest Tunnel is the newest tunnel
in Hong Kong
. Officially opened on 21 March 2008, it connects Cheung Sha Wan
and Sha Tin Valley through Eagle's Nest
in Hong Kong
in anticipation of future traffic demands generated by development in the northeast New Territories. It links south to Stonecutters Bridge
and Nam Wan Tunnel
, and north to Sha Tin Heights Tunnel
to form a series of highway
s. The tunnel is part of Route 8
. Together with Sha Tin Heights Tunnel, a toll of HK$8 (private cars) is charged.
The contract for the construction of the Eagle's Nest Tunnel was awarded to a joint venture between Leighton Contractors (Asia) Limited and Kumagai Gumi Company Ltd. Construction began in October 2003 and the estimated cost of the project is HK$1.84 billion.
The project comprises two 2.1 km, three-lane tunnels from Butterfly Valley to Shatin Valley through Eagle's Nest mountain (granite), and all the associated electrical, mechanical and landscaping works that will be necessary. The project was scheduled for completion in April 2007. The full scope of the construction project includes:
Sandvik Tamrock Corp has supplied five new Tamrock Axera tunnelling jumbos for the Eagle's Nest tunnelling project. The first unit is a Tamrock Axera T08, a two-boom jumbo with basket boom and Tamrock Computer Aided Drilling (TCAD) instrumentation. This unit is used at the ventilation shaft and was delivered in April 2004. The remaining four units are all Tamrock Axera T12DATA - three-boom fully computerised jumbos with basket booms. These units were delivered to the site in summer 2004 and are being used in the main tunnel with two units drilling side-by-side for the cross section area of height 11.8m and width 16.3m.
Tunnel
A tunnel is an underground passageway, completely enclosed except for openings for egress, commonly at each end.A tunnel may be for foot or vehicular road traffic, for rail traffic, or for a canal. Some tunnels are aqueducts to supply water for consumption or for hydroelectric stations or are sewers...
in Hong Kong
Hong Kong
Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...
. Officially opened on 21 March 2008, it connects Cheung Sha Wan
Cheung Sha Wan
Cheung Sha Wan is an area between Lai Chi Kok and Sham Shui Po in New Kowloon, Hong Kong. It is mainly residential to the north and south, with an industrial area in between. Administratively it is part of Sham Shui Po District. The Sham Shui Po District includes Mei Foo as well as Lai Chi...
and Sha Tin Valley through Eagle's Nest
Eagle's Nest, Hong Kong
Eagle's Nest , also known indigenously as Tsim Shan , is a hill north of Cheung Sha Wan of Hong Kong. The hill peaks at 305 metres and is within Sha Tin District with border to Sham Shui Po District at her south. The hill is located northeast of Piper's Hill and northwest of Crow's Nest...
in Hong Kong
Hong Kong
Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...
in anticipation of future traffic demands generated by development in the northeast New Territories. It links south to Stonecutters Bridge
Stonecutters Bridge
Stonecutters Bridge is a high level cable-stayed bridge which spans the Rambler Channel in Hong Kong, connecting Nam Wan Kok, Tsing Yi Island and Stonecutters Island...
and Nam Wan Tunnel
Nam Wan Tunnel
Nam Wan Tunnel is a tunnel in Hong Kong which has been completed and is scheduled for opening to traffic on 20 December 2009, along with the West Tsing Yi Viaduct, East Tsing Yi Viaduct and Stonecutters Bridge...
, and north to Sha Tin Heights Tunnel
Sha Tin Heights Tunnel
Sha Tin Heights Tunnel is the newest tunnel in Hong Kong. It is part of Route 8. The tunnel spanned from a toll plaza in Sha Tin Valley through Sha Tin Heights to Tai Wai. The toll plaza is also connected to Eagle's Nest Tunnel, a tunnel to Cheung Sha Wan and Lai Chi Kok. The Tai Wai entrance...
to form a series of highway
Highway
A highway is any public road. In American English, the term is common and almost always designates major roads. In British English, the term designates any road open to the public. Any interconnected set of highways can be variously referred to as a "highway system", a "highway network", or a...
s. The tunnel is part of Route 8
Route 8 (Hong Kong)
Route 8 of Hong Kong is an 3-lane carriageway dual 3-lane highway that links Lantau Island, Tsing Yi Island, Cheung Sha Wan in West Kowloon, and Sha Tin in the Northeast New Territories of Hong Kong. It is a combination of many sections....
. Together with Sha Tin Heights Tunnel, a toll of HK$8 (private cars) is charged.
The contract for the construction of the Eagle's Nest Tunnel was awarded to a joint venture between Leighton Contractors (Asia) Limited and Kumagai Gumi Company Ltd. Construction began in October 2003 and the estimated cost of the project is HK$1.84 billion.
The project comprises two 2.1 km, three-lane tunnels from Butterfly Valley to Shatin Valley through Eagle's Nest mountain (granite), and all the associated electrical, mechanical and landscaping works that will be necessary. The project was scheduled for completion in April 2007. The full scope of the construction project includes:
- Twin 2.1 km, three-lane tunnels
- 400m ventilation shaft
- North and south tunnel portal buildings
- Ventilation building off Tai Po RoadTai Po RoadTai Po Road is the second longest road in Hong Kong . It spans from Sham Shui Po in Kowloon to Tai Po in the New Territories of Hong Kong. Initially, the road was named Frontier Road....
- Three-storey administration building
- Toll plaza and toll collection facilities (in addition to a footbridge, subway and canopy at the toll plaza)
- 500m tunnel approach road
- Miscellaneous earthworks, road works and landscaping
- Electrical and mechanical (E&M) for both the Eagle's Nest Tunnel and the adjacent, separately constructed, Sha Tin Heights Tunnel
Sandvik Tamrock Corp has supplied five new Tamrock Axera tunnelling jumbos for the Eagle's Nest tunnelling project. The first unit is a Tamrock Axera T08, a two-boom jumbo with basket boom and Tamrock Computer Aided Drilling (TCAD) instrumentation. This unit is used at the ventilation shaft and was delivered in April 2004. The remaining four units are all Tamrock Axera T12DATA - three-boom fully computerised jumbos with basket booms. These units were delivered to the site in summer 2004 and are being used in the main tunnel with two units drilling side-by-side for the cross section area of height 11.8m and width 16.3m.