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Cross Island Line P2: Chinese Firm Wins S$199M Tunnel Bid

A Chinese state-owned firm has won a S$199 million contract to build tunnels for Singapore's new Cross Island Line, with passenger service targeted for 2032.

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Daily.SG Newsroom
Archive · 15 Aug 2024
Cross Island Line P2: Chinese Firm Wins S$199M Tunnel Bid
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KEY POINTS

  • ●A Chinese state-owned company won the S$199 million contract to build twin tunnels between Maju and Clementi stations on the Cross Island Line Phase 2.
  • ●Each tunnel will be 1.4 kilometres long and will be built using a slurry tunnel boring machine to handle hard sedimentary rock.
  • ●Construction starts in the fourth quarter of 2024, with passenger service targeted to begin in 2032.
  • ●A separate S$400 million power supply contract was awarded to provide electrical systems for the line.
  • ●Cross Island Line Phase 2 will be about 15 kilometres long with six underground stations, with nearly half serving as interchanges with other rail lines.

IN SIMPLE TERMS

Singapore is building a new subway line called the Cross Island Line. A Chinese company has won a contract to dig two tunnels between two stations. The new line will help people travel across Singapore more easily when it opens in 2032.

WHY IT MATTERS

The project advances Singapore's long-term public transport expansion strategy across the island.
Commuters will benefit from improved connectivity across Singapore once the line opens in 2032.
The project creates significant infrastructure and engineering work for contractors and supply chain partners.
The line will connect existing and future developments, shaping urban connectivity across the island.

WHERE DO YOU STAND?

Should Singapore prioritise international firms with proven track records, or is it equally sound to award major infrastructure contracts to foreign state-owned enterprises on a competitive-bid basis?

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The Full Story
  1. LTA awards final civil contract for Cross Island Line Phase 2.
  2. Sinohydro Corporation to build tunnels between Maju and Clementi stations.
  3. Cross Island Line Phase 2 passenger service set to start in 2032.

Singapore’s eighth MRT line takes shape as LTA finalises contracts for Cross Island Line Phase 2.

1 Key Term Simplified

  • Slurry tunnel boring machine digs tunnels and uses a thick liquid (called slurry) to remove dirt and rocks.

LTA Awards Final Contract for CRL Phase 2

In a press release by LTA, the Land Transport Authority (LTA) has awarded the final civil contract for the Cross Island Line (CRL) Phase 2.

The announcement was made on 15 August 2024.

Sinohydro Corporation Limited (Singapore Branch), a Chinese state-owned company, won the contract.

The contract is worth about S$199 million.

Here are some key highlights to note:

  • The contract is for tunnels between Maju station (CR16) and Clementi station (CR17).
  • Construction will start in the fourth quarter of 2024.
  • Passenger service for CRL Phase 2 is set to begin in 2032.

Details of the Tunnel Construction

According to LTA, “The civil contract for the design and construction of tunnels between Maju station (CR16) and Clementi station (CR17) was awarded to Sinohydro Corporation Limited (Singapore Branch).”

The project involves building twin bored tunnels.

Each tunnel will be 1.4 kilometres long.

A slurry tunnel boring machine will be used.

This is due to hard sedimentary rock in the area.

Take a look at this quick table for a clear overview:

AspectDetail
Tunnel TypeTwin bored tunnels
Length of Each Tunnel1.4 kilometres
Boring MethodSlurry tunnel boring machine
Reason for MethodHard sedimentary rock in area

Power Supply Contract for CRL

LTA also awarded a separate contract for the CRL’s power supply system.

Siemens Mobility Pte Ltd and Concord Corporation Pte Ltd won this contract.

The power supply contract is worth about S$400 million.

It includes design and installation of electrical systems.

Here’s what the power supply contract covers:

  • 66kV AC system
  • 22kV AC system
  • 1500V DC traction power supply system

Overview of CRL Phase 2

Cross Island Line Phase 2 will be about 15 kilometres long.

It will have six underground stations.

The CRL will connect existing and future developments across Singapore.

Almost half of its stations will be interchanges with other rail lines.

Impact and Implications

The Cross Island Line will enhance connectivity across Singapore.

It will improve local commutes.

The project shows Singapore’s commitment to expanding public transport.

Timeline and Future Plans

As quoted in LTA’s press release, “Construction works are expected to start in the fourth quarter of 2024 and passenger service for CRL Phase 2 is targeted to commence in 2032.”

The Cross Island Line will be built in three phases.

All phases will be fully underground.

The project aims to serve existing and future developments in Singapore.

The Cross Island Line Phase 2 marks a significant step in Singapore’s ongoing efforts to enhance its public transport network.

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