Category: Metro Rail

A Short Film on Chennai Metro Rail Project

The short film describes the ongoing works of Chennai Metro Rail project and the facilities that will be provided during its operations.

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CHENNAI METRO RAIL Tracks soon on 100 Ft Rd Work On Koyambedu – St Thomas Mount Stretch Is Progressing Fast

CHENNAI METRO RAIL: Koyambedu - St Thomas Mount Stretch

Metro Rail is on track to meet its 2013 deadline to run trains between Koyambedu and St Thomas Mount along an elevated line. With works progressing at a rapid pace, the Chennai Metro Rail Corporation will begin to lay tracks in the section from January 2012.

Elevated viaducts have been placed over pillars for about 1.5km from Koyambedu on the Koyambedu-St Thomas Mount stretch. Works are on to build the elevated viaducts for the rest of the section. Koyambedu to St Thomas Mount stretch is part of the 22-km Chennai Central-St Thomas Mount line (Corridor-II). After installing viaducts, firming up the surface on top of the viaducts, laying of tracks and construction of stations, Metro Rail will run trial services from Koyambedu to St Thomas Mount by 2013-end. The track laying is taken up as a joint venture by Larsen and Toubro (L&T), Alstom Transport, SA and Alstom Project India at a cost of 449.23 crore. Track laying will start from Koyambedu. “The tracks are going to be imported,” said Metro Rail general manager (public relations) S Krishnamoorthy.

The tracks will be of standard gauge (4 feet and 8.5 inches) which has a low turning radius. This has been used for metro rail networks in several world cities like Cairo, Madrid, Bangkok, Manila and Beijing. “Standard gauge is preferred because most of the metro’s components are imported. Manufacturers across the world build machines, coaches and engines on standard gauge. It’s easier to source track laying equipment and rolling stock of global standard if the gauge we follow is the same as the one used worldwide. Metro Rail will be able to get the best companies to build its infrastructure,” a senior official said.

The Koyambedu-Ashok Nagar stretch will be completed first because the contract to install the elevated viaduct was awarded to Soma Constructions as early as in February 2009. L&T, which won the contract to build the elevated viaduct from Ashok Nagar to St Thomas Mount in January 2010 have also started a good portion of the works.

On the same corridor, the stretch from Chennai Central to Koyambedu is underground. Preliminary works like soil testing have started along Poonamallee High Road under which tunnels will run till they reach Aminjikarai. Soil tests have been completed near Chennai Central.

“Soil tests are essential to finalise the design of tunnels and underground stations,” said a Metro Rail official. Metro Rail is planning to start boring works by year-end when tunnel boring machines would arrive from abroad.

Two Metro Lines:

Corridor I: Washermenpet to Chennai airport (via Anna Salai)
Corridor II: Chennai Central station to St Thomas Mount (via Koyambedu)


1) Chennai Central to Saidapet (underground) stretch of Corridor I:
Soil tests began two months ago. Tunnel boring machines will be employed to avoid digging out earth for the underground construction. This work is expected to begin in December.

2) Saidapet to Officers Training Academy stretch of Corridor I: Pile work has been completed and pillars are being erected. Viaducts will be installed near Officers Training Academy soon. Work on metro station at Guindy has begun.

3) Chennai Central to Koyambedu (underground) stretch of Corridor II: Soil tests were carried out in June at Chennai Central and Egmore.

4) Koyambedu-St Thomas Mount stretch of Corridor II: Tracks will be laid first in this section. Work is set to begin near Kathipara flyover and at Kasi theatre Moving Ahead One Step At A Time.

STAGE 1: Soil test
Around 75 boreholes were used to test soil condition at various places. This was to find whether underground rail or elevated corridor was best suited in that location. This began in 2003.

STAGE 2: Pile load test
Earth was bored for 27 metres near Koyambedu and close to 10 metres in other areas to gauge how much weight the earth could withstand. Load tests were carried out in 2009-2010.

STAGE 3: Building piles and pillars
Underground piles were built to provide support to overhead pillars of the elevated corridor. After that, pillars were built near Koyambedu bus terminus, Arumbakkam and Vadapalani by mid 2010.

STAGE 4: Installing viaducts
After pillars were built, huge prefabricated viaducts were installed using cranes on top of the pillars. Viaducts have been installed on a 1.5km stretch from Koyambedu.

STAGE 5: Laying tracks
After the base structures are built, standard gauge rail tracks will be laid. The track will require minimal or no maintenance. Metro Rail plans to begin laying of tracks from Jan 2012.

STAGE 6: Building stations and depot Koyambedu to St Thomas Mount stretch will have seven stations.
This work will start at a later stage because entry and exit ramps have to be set up at all stations 449.23 cr is the cost of laying tracks. This project is a joint venture of Larsen and Toubro, Alstom Transport, SA and Alstom Project India. 22 km Koyambedu to St Thomas Mount stretch is part of the 22-km Chennai Central-St Thomas Mount line (Corridor-II).

Source – Times of India.

Metro Rail’s modern depot shaping up at Koyambedu

Trains To Be Maintained, Parked And Cleaned At This Yard.
- Ayyappan V

The layout of the Metro Rail depot, which is expected to be ready by the time the Koyambedu-St Thomas Mount line works gets completed Stabling shed (place where trains will be parked overnight)

• 12 stabling lines in a covered shed

• Automatic car washing plant

• Lathe to re-profile wheels Inspection shed (Place to check for wear and tear)

• It’s going to be at 3 levels — for maitenance of undergear, body or floor and roof equipment Rolling stock maintenance shed (for major repairs)

• Six lines will be there in the maintenance shed Heavy repair maintenance shed (for overhaul)

• Four sets of cranes to lift coaches

• A wheel shop Infrastructure maitenance shed

• To maintain diesel shunting locomotive, overhead line maintenance vehicles, power supply equipment, track maintenance

Metro Rail, which may be limited to 45km in the city with the state government declaring its preference for Monorail, is moving fast to complete work on the modern depot and stabling yard at Koyambedu. After services start in 2013, trains will be parked, maintained and cleaned here. However, Metro Rail is not sure if the second stabling depot planned at Tirusulam near the airport will be constructed at all. The depot, authorities felt, would help start early-morning services from the airport. While the Koyambedu depot will be more or less adequate to operate services on the proposed corridors – Washermenpet to Chennai Airport via Anna Salai and Chennai Central to St Thomas Mount via Koyambedu – Metro Rail feels a second yard is also needed. The final decision is with the government.

“The stabling yard near the airport will be useful only when the frequency of trains is increased. It will be constructed under a separate tender. There is no urgency that the yard be ready when the trains start running. But the Koyambedu depot is crucial,” said a senior Metro Rail official.

The depot, for which L&T has bagged a Rs198-crore contract, will come up on 26 hectares of land off Jawaharlal Nehru Salai and beyond the Koyambedu bus terminus. “The works are progressing as per schedule. Land works are nearing completion and the required machinery is getting ready” the official said. It will be a depot-cum-workshop where trains will be brought on a ramp from the Koyambedu Metro Rail station. It will have the capacity to handle 54 six-car trains and will house the machinery required to maintain trains, tracks, overhead power cables and others. There would be an inspection shed at three levels to inspect the roof, body and floor, and the under-gear of coaches, said an official. There will be 15 stabling lines that can handle two sixcar trains, a washing plant, maintenance workshops, stores and a few other facilities. A state-of-the-art operation control centre from where all train movements and operational activities can be monitored will be set up.

Keeping future expansion in mind, Metro Rail has provided space for another 15 lines. But officials said they might not be required because the Metro was unlikely to be expanded beyond phase I. The government is yet to decide on the issue.

Source – Times Of India

Metro Rail work picks up speed:

Soil Testing Begins For Construction Of Underground Stations At Four Places On Washermenpet-Chennai Airport Corridor.

V Ayyappan | TNN

Back in 2010, when work on the Chennai Metro Rail was just gaining momentum, then managing director of Chennai Metro Rail Limited T V Somanathan said that construction of the underground stretch would be like a heart by-pass surgery. Inconvenient and painful in the beginning, but once completed, it would be smooth sailing.

The treatment has started, it seems. Driving along Anna Salai is proving to be a trying experience as Metro Rail has begun soil testing at four places — Government Estate, LIC building, Nandanam and Saidapet — on the underground stretch of Metro Rail. In all, seven underground stations will be constructed on Anna Salai as part of the Washermenpet-Chennai airport corridor. These are Government Estate (near new secretariat), LIC, Thousand Lights, Gemini, Teynampet, Chamiers Road and Saidapet.

“Full-scale work will begin after monsoon. By then, tunnel boring machines will be employed. We have not sought traffic diversion as yet,” said a senior Metro Rail official.

Traffic flow is expected to worsen on the stretch when Metro Rail begins soil testing at Thousand Lights, Gemini and Teynampet in the following months. The alternatives are limited when it comes to traffic diversion along Anna Salai. However, work on the underground stations will be carried out in a phased manner to minimise congestion. Metro Rail proposes to excavate a part of the road, complete work on a half of the station, refill the completed portion and then repeat the same process for the second half.

A senior Metro Rail official said, “We have decided to ask for road space to be cordoned off as and when the soil tests begin. Works will be carried out after obtaining permission from the traffic police.” A joint venture between Gammon India and Mosmetrostroy, a Russian firm, has bagged the contract to build the underground stations of Metro Rail.

Go one station at a time, cops tell Metro Rail:

Metro Rail has awarded contracts for construction of elevated corridor and underground corridor on two stretches — from Chennai Central to St Thomas Mount via Koyambedu and from Washermenpet to Chennai airport via Anna Salai. Elevated viaduct is complete on the Koyambedu to Ashok Nagar stretch while pillars have been installed and work is in progress on the Ashok Nagar to Guindy stretch Soil testing has been done on EVR Periyar Salai The elevated line from Koyambedu to St Thomas Mount is expected to be completed by 2013.

City traffic police have their task cut out in the coming months as the situation on Anna Salai is bound to go from bad to worse. Metro Rail has begun soil testing to build underground stations at Government Estate, LIC, Nandanam and Saidapet. The traffic police have asked Metro Rail to go about in a phased manner to ease congestion on the arterial road. Though underground stations are set to come up at seven places along the Washer menpet-Chennai airport corridor, currently, soil testing is being carried out at only four places.

“We have asked Metro Rail to stagger works and not carry out soil investigation simultaneously at all places. This is the best possible way to manage traffic,” said Sanjay Arora, additional commissioner of police (traffic). The traffic police have advised Metro Rail to complete construction at one or two locations before proceeding further. Metro Rail proposes to begin construction of the underground stations after November and carry out tunnelling by December.

Nevertheless, traffic has slowed down along the stretches where soil tests are being carried out. The carriageway of the road has reduced as nearly eight metres have been cordoned off along the road.
The traffic department is working closely with Metro Rail. “Whenever Metro Rail informs us about initiating work on a stretch, we scan the map. If the work sites are in close proximity to each other, we advise them against it as diversions are not possible. This pattern will have to be followed in future also because it is the only way to prevent traffic from worsening,” said Arora.

Earlier, when works were in progress on the elevated viaduct from Koyambedu to Ashok Nagar on 100-feet Road, the traffic department in consultation with Chennai Metro Rail worked out a traffic management plan which included diversions along alternative routes.

Source – Times Of India.

CM sets 2-yr target for monorail:

Chief minister Jayalalithaa on Tuesday presented Prime Minister Manmohan Singh with a detailed memorandum, complete with requests for grants, assistance and funds.

Improving transportation and infrastructure in Chennai are high on her list as she’s sought close to 40,000 crore for various projects, including reviving the monorail to strengthening drainage and road networks.
Decongesting roads and improving transport systems are on her agenda as Jayalalithaa’s memorandum says she plans to complete the first phase of the monorail project in two years. She’s sought assistance from the Centre under the National Urban Transport Policy to implement the first phase of 111km at a cost of roughly 16,650 crore, which works out to 150 crore per km.

Jayalalithaa had decided on the 300 km-long mono rail project during her previous term as chief minister. Her memorandum says the project is capital intensive but environment-friendly and is in line with the state’s goal to increase the share of public transportation from the current 27% to 46% by 2026.

Traffic and transportation experts say the intention is good as the city lacks adequate public transport but say the two-year deadline is rather ambitious. “It will take about a year to draw up the plans properly as only feasibility reports have been done so far. So four years is a more realistic completion date but the mono rail is a necessity,” says one expert.

Others say the system will be an effective feeder service for existing bus networks and the Metro Rail which is under construction. “The mono rail can serve the suburbs well as it has great flexibility. Chennai needs different modes of transport which can be inter-connected seamlessly,” says K P Subramanian, former professor of urban engineering, Anna University.

It is also faster and easier to construct. “The mono rail is quick to construct and does not affect existing infrastructure. Unlike a bus rapid transport system or Metro Rail, you don’t have to acquire land or widen roads as the mono rail can be constructed along the medians of roads,” says transportation engineer and planner Mark Selvaraj of Landtech Engineers.

Source – Times Of India

Metro to run trains every 6 minutes

Metro to run trains every 6 minutes
Four-Car Rakes Will Start Operations In 2013, Carry 1,276 Commuters :

The first train of Metro may start running only in 2013, but Chennai Metro Rail has already chalked out a comprehensive traffic plan. According to the plan, Metro will operate four-car trains during peak hours at 6 minute intervals in the Koyambedu-St Thomas Mount stretch in 2013, and the Washermenpet-Little Mount-Chennai airport stretch and the Chennai Central-Koyambedu-St Thomas Mount stretch in 2014. The deadlines have been set for receiving the coaches, conducting trial runs, commencement of services on the elevated line and underground lines. The four-car metro will have a capacity to carry 1,276 commuters, including seating and standing. The frequency of the trains will be reduced to four minutes in the Washermenpet-Little Mount-airport stretch and the Chennai Central-Koyambedu-St Thomas Mount in 2016. Metro hopes that the patronage for services would increase by 2026. So, six-car trains would be operated in both the corridors, which would be ready by 2015 as per current estimates, said an official. Works are progressing briskly to build elevated stations and viaducts between Koyambedu and St Thomas Mount while metro is planning to award tender for the elevated line from airport to Officer’s Training Academy. The Koyambedu-St Thomas Mount stretch is 9 km long, while the Little Mount-Chennai airport stretch is 7 km. “We have a tentative schedule in place. The track will be completed and tests can be conducted by last quarter of 2012, and the pilot rake will come from a consortium of Alstom Transport SA and Alstom India Ltd by the end of the same year,” said a senior official. Metro rail would receive nine rakes in the beginning of 2013 while the rest of the 33 rakes will arrive by the end of 2014. Services would commence on the elevated stretch and the underground stretch only after conducting three levels of tests — dynamic test, a twomonth service trial and a month-long blank operation. Metro rail is in the process of identifying a contractor to carry out operations and maintenance of stations and lines. The contractor is expected develop the stations, carry out interior decorations, install passenger amenities like self-service kiosks, toilets, telecommunication services and others immediately after the stations are ready.


Elevated road gets CRZ nod:

The Union Ministry of Environment and Forests, insisting on strict compliance with over 30 specific conditions, has accorded Coastal Regulation Zone (CRZ) clearance for construction of an elevated road from the Chennai port to Maduravoyal.

After scrutinising the documents submitted, the Expert Appraisal Committee had recommended CRZ clearance for the project subject to compliance with conditions, mostly during the construction phase.

As a precondition before starting work, the MoEF has ordered the setting up of a high-level advisory and monitoring committee under the chairmanship of the Chief Secretary and including secretaries of Environment and Public Works Department, experts and other stake holders.

The State Coastal Zone Management Authority would have to be fully involved in the monitoring process and during construction and operation.

Apart from obtaining all necessary clearances, the project proponents should ensure there was no hindrance to free flow of water in the Cooum river at any point of time and that necessary mitigating measures were in place against adverse impact on water bodies.

The MoEF has also asked for the status of the families to be rehabilitated as of 2010 and the action programme and the plan showing the Singapore model of Cooum restoration and the location of pillars prior to the commencement of work.

In its communication to Chairman, Chennai Port Trust, the Ministry cautioned against any construction work other than what is permitted in CRZ notification. There should not be any disposal of solid or liquid waste into the water body. All the top soil excavated during construction should be stored for use in horticulture / landscape development within the project site.

Fly ash should be used as building material in the construction as per the provisions of Fly Ash Notification 1999. Ready-mixed concrete must be used in construction, the MoEF said.

Other conditions include taking into account seismic nature of the area in the design and provision for longitudinal drains all along the project road and adequate under passes and culverts to ensure proper drainage area.

The CRZ clearance is subject to the final order of the Supreme Court in the matter of Goa Foundation Vs Union of India in Writ Petition (Civil) No. 460 of 2004, as might be applicable to this project, the MoEF stated in its communication.



Chennai Metropolis has been growing rapidly and the traffic volumes on the roads have also been increasing enormously. Hence the need for a new rail based rapid transport system has been felt and towards this objective the Government of Tamil Nadu have decided to implement the Chennai Metro Rail Project. This project aims at providing the people of Chennai with a fast, reliable, convenient, efficient, modern and economical mode of public transport, which is properly integrated with other forms of public and private transport including buses, sub-urban trains and MRTS.

Why Metro Rail:
Chennai Metropolis has been growing rapidly and the traffic volumes on the roads have also been increasing enormously. Hence the need for a new rail based rapid transport system has been felt and towards this objective the Government of Tamil Nadu have decided to implement the Chennai Metro Rail Project. This project aims at providing the people of Chennai with a fast, reliable, convenient, efficient, modern and economical mode of public transport, which is properly integrated with other forms of public and private transport including buses, sub-urban trains and MRTS.

About CMRL:

The Government of Tamil Nadu created a Special Purpose Vehicle (SPV) for implementing the Chennai Metro Rail Project. This SPV named as “Chennai Metro Rail Limited” was incorporated on 03.12.2007 under the Companies Act. It has now been converted into a Joint Venture of Government of India and Government of Tamil Nadu with equal equity holding. It is functioning at the following address,

Chennai Metro Rail Limited,
No: 7, Conran Smith Road,
Gopalapuram, Chennai – 600 086,
TamilNadu, India.
Phone : +91 – 44 – 28430020 +91 – 44 – 28430020
FAX : +91 – 44 – 28351401
Email :

Project Profile:
A Detailed Project Report (DPR) relating to the Chennai Metro Rail Project was prepared and submitted by the Delhi Metro Rail Corporation Limited (DMRC) who have successfully designed and implemented the Delhi Metro Rail Project. The DPR envisages the creation of 2 initial corridors under the proposed phase-1 of the Chennai Metro Rail Project as shown below:

Corridor Length:
Washermenpet to Airport – 23.1 kms.
Chennai Central to St.Thomas Mount – 22.0 kms.
Total – 45.1 kms.

The details of the two corridors are given below:

Chennai Metro Rail Route:

Washermenpet – Broadway (Prakasam Road) – Chennai Central Station – Rippon Building – along Cooum River – Government Estate – Tarapore Towers – Spencers – Gemini – Anna Salai – Saidapet – Guindy – Chennai Airport.

Chennai Central – along EVR Periyar Salai – Vepery – Kilpauk Medical College – Aminjikarai – Shenoy Nagar – Annanagar East – Anna Nagar 2nd avenue – Tirumangalam – Koyambedu – CMBT – along Inner Ring Road – Vadapalani – Ashok Nagar – SIDCO – Alandur – St. Thomas Mount.

The portions of Corridor-1 with a length of 14.3 kms. from Washermanpet to Saidapet, and Corridor-2 with a length of 9.7 kms. from Chennai Central to Anna Nagar 2nd Avenue will be underground and the remainder elevated. The alignment and stations given above are tentative and subject to change during detailed design and execution.

Chennai Metro Rail Route Map:

Delhi metro –
Bengaluru metro –
Mumbai metro –
Ministry of Urban Development –
Govt. of Tamil Nadu –


Nine More Suburban Services Bring Cheer To Chennai Commuters:

Chennai: The city’s suburban network is poised for big growth with the railway budget, presented by minister Mamata Banerjee on Friday, talking about setting up a single integrated system to help people switch among suburban trains, Metro Rail and MRTS services.

The budget also promises an increase in suburban services, especially on the much neglected Chennai-Gummidipoondi and Tiruvallur sectors. Gauge conversion works sanctioned for the Tambaram-Chengalpet line and doubling of the Chengalpet-Villupuram line will help in the introduction of more suburban trains. The new services will be operated on the Chennai Beach-Gummidipoondi, Gummidipoondi-Chennai Central, Avadi-Chennai Beach, Chennai Central-Tiruvallur, Tiruvallur-Chennai Central and Chennai Beach-Tambaram-Chengalpet sectors.

Source: Times Of India


Metro Rail Chennai



So, finally we know who the Laurel is and who the Hardy is among the Metro Rail stations that will come up in city. Chennai Central is going to hulk over the others in the two corridors and SIDCO station in Guindy will be the smallest. The five largest stations in the city will be Chennai Central, St Thomas Mount, Shenoy Nagar, Gemini and Washermenpet. Metro Rail managers decided on the size of the stations after doing their maths on expected commuter density, track geometry and other technical details. The Central Metro Rail station will be spread over 70,000 square metres under Poonamallee High Road in front of the Chennai Central and the Ripon Buildings. The Metro station is going to be a nerve centre as the two corridors – Washermenpet-Airport corridor and Central-St Thomas Mount corridor – converge here.

Maximum space has been set aside for the Central station where commuters from the Central Railway Station, Moore Market complex suburban station, Park Station and Park Town MRTS Station are expected to switch over to Metro trains from here. Rough estimates suggest more than one lakh commuters will swarm the station daily.

St Thomas Mount elevated station, where MRTS and suburban lines will meet, is going to be the second largest Metro station. Metro line and MRTS line will meet at two levels at this station. Commuters from suburban railway station will also be able to walk into the Metro-MRTS station complex through a separate pathway. The companies that have won the contracts to build underground corridors, elevated corridors and stations have begun designing the stations based on the soil tests afoot at various places. All Metro stations are going to be disabled friendly and elderly friendly. They will have automatic fare collection system, automatic announcement system, electronic information display boards, escalators, lifts, toilets. Underground stations will be airconditioned and will have boosters to amp up cellphone signals that taper off. Elevated stations will have shopping malls and parking space. “Space has been allotted to the station to accommodate future growth. We are planning to provide Wi-Fi at some of the stations,” said a senior official of Chennai Metro Rail.

Underground stations will have two levels – a platform level and a concourse level. If the depth of the station is greater, there will be an additional level in between the two (mezzazine). Platform level of the stations will have space for the commuters to assemble during normal operations, delays and emergency situation. The concourse level will be divided into paid and unpaid area. It will also house an automatic fare collection system. Commuters will be able to access to the station, seek travel information and purchase tickets at unpaid area. Commuters enter the platforms through automatic ticket gates. The ticket gates will have powerful scanners. “Commuters can keep the tickets inside their bags and walk through the gates. The scanners will read it. This will be a common feature at underground and elevated stations,” said an official.

The elevated stations will have three levels – street, concourse and platform. Street level of the stations will have entry and exit, service rooms for diesel generators and transformers. Concourse level of the stations will be over 5.65 metres above the street level and will have station control room, ticketing counters, ticket gates. The platform for boarding trains will be around 12.6 meters above the street level.Central Is Largest Because…

Two corridors – Washermenpet-Airport corridor and Central-St Thomas Mount corridor –

converge at the Central Metro station Commuters from the Central Railway Station, Moore Market complex suburban station, Park Station and Park Town MRTS Station are expected to switch over to Metro trains from here. More than one lakh commuters are expected to swarm the Central Metro station daily

Source: Times Of India