MTR announced that the first of the 11 Immersed Tube Tunnel (IMT) units for the cross-harbour section of the Shatin to Central Link (SCL) was floated in the southern part of Hong Kong and towed out from the former Shek O Quarry on 8 June 2017 to start its journey to Victoria Harbour.
It will form part of Hong Kong’s fourth cross-harbour rail tunnel, linking Hung Hom on the Kowloon side and Causeway Bay Typhoon Shelter area on the Hong Kong Island.
The SCL cross-harbour rail tunnel comprises 11 reinforced concrete IMT units, each of up to 23,000 tonnes in weight, around 160 metres in length.
The IMT units will be towed one by one to a holding area near Tseung Kwan O first for installation of two 30-metre surveying towers equipped with Global Positioning System (GPS).
Targeted for commissioning in 2021, the new rail harbor crossing will form a North South Corridor of the SCL by extending the East Rail Line from Hung Hom station to connect to the future Exhibition Station in Wan Chai North and onward to the existing Admiralty Station.
Passengers on the East Rail Line will then be able to travel from Hung Hom to Admiralty in just five minutes without any interchange.
The total length of Shatin to Central Link is 17 km, of which Tai Wai – Hung Hom section will have 11 km and Hung Hom – Admiralty Section, 6 km.
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