Developer : M.T.R.C.
Main Contractor : Chun Wo – SELI Joint Venture
Diamond Hill to Kai Tak Tunnels (Contract No. 1107)
- Diamond Hill Station & Diamond Hill Stabling Sidings (Contract No. 1106)
- Kai Tak Station and Kai Tak Station to To Kwa Wan Station Tunnels (Contract No. 1108)