Metro Tunneling Group or MTG (formerly IMCC-JV) is a

Joint Venture A joint venture (JV) is a business entity created by two or more parties, generally characterized by shared ownership, shared returns and risks, and shared governance. Companies typically pursue joint ventures for one of four reasons: to acce ...

(JV) of 5 companies currently working as the main contractor for the

Delhi Metro Rail Corporation Delhi Metro Rail Corporation (DMRC) is a centre-state joint venture that operates the Delhi Metro and Noida Metro. The Delhi Metro Rail Corporation is also involved in the planning and implementation of metro rail, monorail, and high-speed r ...

(DMRC). The 5 companies are DYWIDAG Systems from Germany,

Larsen & Toubro Larsen & Toubro Limited, abbreviated as L&T, is an Indian multinational conglomerate, with interests in industrial technology, heavy industry, engineering, construction, manufacturing, power, information technology, defence and financial se ...

from India, Samsung Corporation from South Korea,

Ircon International Ircon International, or Indian Railway Construction International Limited (IRCON), is an Indian engineering & construction corporation, specialized in transport infrastructure. The public sector undertaking was established in 1976, by the India ...

from India, and

Shimizu Corporation is an architecture, architectural, civil engineering and General contractor, general contracting firm. It has annual sales of approximately US$15 billion and has been widely recognized as one of the top 5 contractors in Japan and among the top 2 ...

from Japan. DMRC is the joint venture of

Government of India The Government of India (ISO 15919, ISO: Bhārata Sarakāra, legally the Union Government or Union of India or the Central Government) is the national authority of the Republic of India, located in South Asia, consisting of States and union t ...

and

Government of Delhi The Government of Delhi, officially the Government of the National Capital Territory of Delhi (GNCTD; ISO: ) is the governing body of India's National Capital Territory of Delhi, whose urban area is the seat of the Government of India. It also ...

. On 19 December 2006, the international joint venture - Metro Tunneling Group received the Letter of Acceptance from Delhi Metro Rail Corporation for the Contract BC18. The scope of work for the new contract includes the design and civil works for a 3.1 km long metro twin tunnel and two underground metro stations. Within the construction period of 36 month the tunnel will be built by Shield TBM whereas the stations will be constructed using the cut and cover method.

History

The Phase 1 of

Delhi Metro The Delhi Metro is a rapid transit system that serves Delhi and the adjoining satellite cities of Faridabad, Gurugram, Noida, Bahadurgarh, and Ballabhgarh in the National Capital Region (India), National Capital Region of India. The system cons ...

was divided into 2 civil packages by the DMRC ie MC1A and MC1B. MC1A ( Vishwa Vidyalaya to Kashmere Gate) was awarded to KSHI-JV and MC1B (

Chandni Chowk The Chandni Chowk (meaning Moonlight Square) is one of the oldest and busiest markets in Old Delhi, India. There is another location in Pune with the name Chandani Chowk. Located close to the Old Delhi railway station, the Mughal-era Red Fort ...

to Central Secretariat) was awarded to IMCC-JV.

IMCC-JV

MTG previously known as IMCC (International Metro Civil Contractors). In April 2001 the international joint venture "International Metro Civil Contractors" (IMCC) was awarded the contract for the design and construction of an approx. 6.5 km long underground section underneath the centre of Old and New Delhi. The joint venture under the leadership of DYWIDAG International GmbH (Germany), together with Larsen & Toubro (India), Samsung Corporation (Korea), IRCON International (India) and Shimizu Corporation (Japan), who successfully completed the turn-key contract MC-1B for a 6.5 km metro twin tunnel system and 6 metro stations of the extension of the Metro Delhi in June 2005, 8 months ahead of the originally scheduled termination date. During the Phase-I of the Delhi Metro, the JV has completed the Rs 1,940-crore plan of underground Metro Rail Corridor (6 stations) from

to Central Secretariat including tunnel between

and Kashmere Gate. The scope of work of this US$380 m contract consists of a twin tunnel system including six underground stations, of which five are open-cut stations and one station in tunnel using

New Austrian Tunneling method The new Austrian tunneling method (NATM), also known as the sequential excavation method (SEM) or sprayed concrete lining method (SCL), is a method of modern tunnel design and construction employing sophisticated monitoring to optimize various wa ...

( NATM). To complete the seven km bored tunnel sections between stations, the joint venture has bought three Herrenknecht

tunnel boring machine A tunnel boring machine (TBM), also known as a "mole" or a "worm", is a machine used to excavate tunnels. TBMs are an alternative to drilling and blasting methods and "hand mining", allowing more rapid excavation through hard rock, wet or dry so ...

s – two earth pressure balance machines (EPBM) and one hard rock shield machine. The first machine was launched in March 2002. Whilst most of the project lies in the Delhi Silts, the section in the area of Old Delhi is situated in the bedrock, which rises up to almost ground level. Because of these ground conditions and the extremely congested locality, the 300 m long Chawri Bazar Station in the centre of Old Delhi cannot be constructed by open-cut, but must be excavated exclusively using the NATM. This is done from an access shaft, 25 x 40 m, with four NATM drives, with a diameter of 10 m each. All are progressing simultaneously parallel to the works for the shaft building, using both hydraulic excavators and smooth blasting techniques. During the entire tunneling activities ground movements have been documented and controlled using an extensive monitoring programme installed both inside the tunnels and above ground. A large number of specialized instruments have been installed to monitor ground movements and strains in the surrounding structures. In addition to civil and structural works the design-build contract also includes station air conditioning, tunnel ventilation, station E&M services, lighting, station finishes and landscaping. ''Source: DYWIDAG International GmbH'

Current project

The Company is currently executing the Metro Project from Green Park to Saket ''(Phase II) - BC 18''. ''TBM Main Drive'': # Malviya Nagar Station to Hauz Khas Station - 1454 M # Hauz Khas Station to Green Park - 983 M # Malviya Nagar to Saket - 716 M Total length of tunnel section is 3.14 km.

References

{{reflist

External links

DMRC official site
Construction and civil engineering companies of India Delhi Metro Indian companies established in 2006 Construction and civil engineering companies established in 2006