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Tuesday, March 2, 2021

Contractors complete nearly 20km of tunnel digging for Doha Metro (updated)

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Doha Metro Green Line
Doha Metro Green Line

Contractors working on the Doha Metro have excavated 18.6km of the tunnels (about 20 percent) on the massive transportation project, which officials say remains on track to start operating in late 2019.

The first phase of the public transit project, which is intended to ease Doha’s worsening traffic jams as well as move large numbers of football fans around the country during the 2022 World Cup, will consist of 37 stations.

However, Qatar Rail said today that not all stations will be immediately accessible to the public.

Officials said that roughly QR65 billion (US$17.86 billion) worth of contracts have been awarded so far for the Doha Metro, which will initially consist of four lines:

  • The Red Line North, running from a connection with Lusail’s light-rail line to Msheireb via West Bay;
  • The Red Line South, running from Msheireb to Mesaieed, with a branch to Hamad International Airport;
  • The Green Line, running from Al Rayyan Stadium to Msheireb via Education City; and
  • The Gold Line, running from Villaggio Mall to the area around the old Doha International Airport, via Msheireb.

Material distributed to journalists today during an update on the metro’s progress contained alternative names for the lines.

The Red Line is referred to as the Coast Line, Green the Education Line, Gold the Historic Line. However, a spokesperson for Qatar Rail said later in the day that these are not the official names of the various lines.

Constructing all the lines simultaneously makes Qatar’s project one of the largest metro systems under construction on the planet.

“No where else in the world, as far as I’m concerned, builds such a massive project all at the same time, in such a short time,” said Samuel Mcchesney, the project director of the Gold Line who spent more than a decade working on Singapore’s metro system.

“Usually you’d do one line first for four or five years, then you’d do the next one … But obviously we’ve got the FIFA World Cup, so it has to be done and it will be done. It’s basically on schedule at the moment and we see no problem with meeting the date.”

Digging

Mcchesney was speaking to reporters at the Al Sudan station construction site, located on the Gold Line just off Al Waab St., near the Doha Expressway.

Tunnel boring machine on the Green Line
Tunnel boring machine on the Green Line

Two pairs of tunnel boring machines (TBMs), set to drill parallel tunnels in either direction, could be seen at the bottom of a large pit that will eventually be the station, 25 meters below the surface.

German firm Herrenknect has delivered all 21 tunnel boring machines to Qatar, and 17 of them are currently working in operation, officials said today.

Mcchesney said the Gold Line’s TBMs operate 24 hours a day, six days a week. On average, the machines will advance between 15 and 20 meters daily, he added.

Excavation is expected to be complete by mid-2017, at which time construction crews will turn their focus to fitting out the tunnels with rails, lighting, electricity and ventilation systems, as well as building the actual stations.

What’s underground?

Mcchesney said crews have so far encountered good subterranean conditions for tunneling.

The Gold Line's Al Sudan station, under construction
The Gold Line’s Al Sudan station, under construction

“Here, the soil is like a soft rock. It will stand up on its own. We have no real problem with ground stability,” he told Doha News.

“Sometimes, underground (materials) can just be like a soup (of) sand and water (that) just totally collapses when you expose it.”

While conditions on the Gold Line may be relatively dry, especially as it heads to Villaggio Mall, contractors face challenges of groundwater on stretches of the network closer to Doha Bay.

In February, a significant amount of water entered one of tunnels being dug between Msheireb Station and Al Bidda Station. While no one was injured, the flood damaged the TBM and caused work to grind to a halt.

Qatar Rail said today that the TBM is currently being repaired and may be ready for a re-launch by next month.

Speaking to Doha News, Qatar Rail CEO Saad Ahmed Al Muhannadi said the flooding incident would not affect the timeline of the metro project because work was operating five months ahead of schedule on the line at the time of the flooding.

“There was some lessons learned from this incident. All additional precautions was taken to avoid repeating this incident,” he said.

Long-distance rail

Officials also touched upon progress of Qatar’s other rail projects.

The long-distance passenger and freight line is still scheduled to enter operations by 2018, despite reported delays in the qualifying of contractors.

Meanwhile, all the tunneling for Lusail light-rail line – which will connect to the Doha Metro – was completed in 2013. Like the Metro, the Lusail LRT is expected to open to passenger traffic in 2019 and contain 37 stations.

That’s two years later than previously stated, although many of the separate projects to construct Lusail’s homes and offices that will create demand for the LRT have also fallen behind schedule.

The 38km LRT network will be spread across four separate lines.

The installation of a public transport system in Qatar is expected to take the pressure off the nation’s crowded road network, which is struggling to accommodate the thousands of new cars that join it each year.

“This is a network that will be an alternative to private transport,” said Hamad Ibrahim Al Bishri, Qatar Rail’s deputy CEO.

The second phase of the Doha Metro is projected to be completed by 2026, adding another 70-odd stations to transit system.

The rail network will be extended by approximately 146km by extending the existing lines further out of Doha and building a parallel Gold Line west of Msheireb.

Additionally, phase two includes a new Blue Line that loops in a semicircle from West Bay, through Al Sadd and towards the airport on a route that appears to roughly follow C-Ring Rd.

With the exception of the new Blue Line, which will be completely underground, most of the second phase will be constructed at ground level or on elevated tracks.

Thoughts?

25 COMMENTS

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FalconFlyer
FalconFlyer
5 years ago

Good to note that the work is progressing well. looking forward to the Doha Metro.

A_qtr
A_qtr
5 years ago

Dumb names stick with colors.. At least they didn’t go with historical names no one can pronounce

Expat
Expat
5 years ago
Reply to  A_qtr

How cool would Umm Ithnaytain Line be!

sicti
sicti
5 years ago
Reply to  Expat

Say again? 🙂

AEC
AEC
5 years ago

Will we be able to smoke in the carriages?

Coco
Coco
5 years ago
Reply to  AEC

I’m sure some wet tissue solution can be provided…

Pinis
Pinis
5 years ago
Reply to  Coco

What do you mean by “wet tissue solution”?

Jamal Al-Yafei
Jamal Al-Yafei
5 years ago
Reply to  Pinis

wet tissue = portable ashtrays XD

A_qtr
A_qtr
5 years ago
Reply to  AEC

Not sure but they are looking at installing puke buckets and pee corners to accomdate our guest’s weekends

Simon
Simon
5 years ago
Reply to  AEC

The rules will say ‘not allowed’, but it will still occur (see also smoking in the malls, the coffee shops, and so on).

Expat
Expat
5 years ago

Bakerloo, Piccadilly, and Victoria for some reason sound much cooler!

Reem
Reem
5 years ago

This is an impressive infrastructure project and will be important for the region. Great transportation infrastructure is the lifeblood of any society or country. This will be important for Qatar.

Switzerland was a poor country with no resources. It’s natural beauty and supreme transportation infrastructure turned it into a rich country.

fact
fact
5 years ago
Reply to  Reem

Natural Resources + Proper infrastructure = Boost in Economy

Simon
Simon
5 years ago
Reply to  fact

Natural Resources + Proper infrastructure + ability to organise and communicate = Boost in Economy

A_qtr
A_qtr
5 years ago
Reply to  Reem

and the housing of hundreds of billions of dollars of many of which come from suspicious sources such as drug lords, military dictators, oppressive regimes and tax evaders…

Myrddin
Myrddin
5 years ago
Reply to  A_qtr

…and others

http://www.alaraby.co.uk/english/news/2015/2/18/arab-leaders-hiding-26-billion-in-swiss-hsbc-accounts

Apologies, taking the comments a bit ‘off piste’. Consider own wrist slapped.

sicti
sicti
5 years ago
Reply to  Myrddin

Let’s say trillions not hundreds of billions 🙂

A_qtr
A_qtr
5 years ago
Reply to  Myrddin

Like I said oppressive regimes.. But there is no way the figure is true.. I wouldn’t be suprised if it was $250 Billion and not 25

Anonymouse
Anonymouse
5 years ago

Something to look forward to for sure.

al-Lalal
al-Lalal
5 years ago

The project is on schedule. Sounds good, but we kept hearing that about the new airport, Sidra Hospital, the new port, etc., etc., until… well, you know the story.

Michkey
Michkey
5 years ago

A friend of mine is a lead engineer working in the green line, I call him a hero, the hero that Doha deserves!

Coco
Coco
5 years ago
Reply to  Michkey

Not a hero that it deserves but a hero that it needs…My Batman quotes came to mind sorry 🙂

muttley
muttley
5 years ago

Its a shame we cannot see the some of these maps. They are far too small for us to read.

Maui Cavil
Maui Cavil
5 years ago

Can’t wait and ride the Doha Metro!
🙂

Matthew jilow ninan
Matthew jilow ninan
5 years ago

Public transport will be a boost to development.Thousands wait for it.

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