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System Assurance for the Construction of High Capacity Lifts in Hong Kong Train Stations

The West Island Line (WIL) will extend the existing Island Line (ISL) service to Kennedy Town Station (KET) via Sai Ying Pun Station (SYP) and Hong Kong University Station (HKU), adding approximately 3.3km of underground route length to the ISL.

The Requirement

The West Island Line (WIL) extends Hong Kong MTR’s existing Island Line, adding three stations and approximately 3.3km of underground route length. One of the project’s key challenges is the installation of high capacity lifts in one of its new stations, the University of Hong Kong Station.

This is the first high-capacity lift project in Hong Kong, whereby the operator needed to overcome the topographic limitations to serve a larger catchment, occupy less space while saving energy and revise the station emergency evacuation procedure.

Our Approach

BMT conducted a series of system safety activities to identify and analyse related hazards, suggested safeguards for mitigation and monitored the progress of the mitigation throughout the project. Additionally, BMT identified equipment with high safety implications and calculated the system lifecycle for better maintenance and risk mitigation.

Our work was applied to the project’s various phases, including design, manufacturing & procurement, testing and commissioning (T&C), trial running and deflect liability period (DLP), and with respect to the project’s specification requirements.

Outcomes and Benefits

BMT’s experienced team provided the following deliverables to the customer:

  • Potential operability hazards were identified and recorded;
  • Mitigation measures were recommended for the design and construction works and all identified issues were addressed and managed through a high quality Hazard Log management system; Project risk and safety compliance to code of practice, regulatory guidelines, and international standards were assessed and monitored;
  • Safety Critical Items were identified; Reliability, Availability, Maintainability and Safety (RAMS) of selected systems were studied;
  • Systems’ RAMS were analysed and calculations made to demonstrate that targets are met.