Page 32 - TT Magazine Feb-Mar 2019

INFRASTRUCTURE

Dhamalgaon to Sisiborgaon rail line to the
north of the bridge and commissioned the
44 km Chalkhowa-Moranhat line to the
south.
Project History
The project obtained approval of the
federal Cabinet Committee on Economic
Affairs (CCEA) in September 1997 and
construction began in April 2002.
For the purpose of building the bridge,
Indian Railways had to construct the
expanse of the Brahmaputra river from 10
kilometres to five kilometres. This involved
construction of ‘guide bunds’. The project
required about 505 hectare of land, which
was acquired across 19 villages. Major
earthworks and strengthening of the north
and south dykes were completed by June
Rail connectivity 2011.
The bridge provides a connection Advantages of Welded Bridge
between the Rangia-Murkongselek section
of the North East Frontier Railway on the Bogibeel is India’s first and only fully
north bank of Brahmaputra and Lumding– welded bridge construction. It is also
Dibrugarh section that lies to the south of for the first time European codes &
the Brahmaputra. A New Dibrugarh Railway welding standards were adhered to in the
Station, expected to be the largest in the construction of a bridge in India.
region, has been proposed and is to be Normally in a steel bridge construction,
linked to the Rangia-Murkongselek line via bolts & rivets are used, which need periodic
Chaulkhowa and Moranhat. The Railways replacement due to shear failure over
has initiated the gauge conversion of the traffic loads. Construction of trusses using
welding makes the connection between
the components a permanent one, thereby
Contractors involved in the Bogibeel rail-road eliminating the above failures. Welded
bridge not only reduces the maintenance
bridge: cost but also adds to the longevity of the
• The state-owned consultancy construction of foundations superstructure. It is estimated that Bogibeel
and project management and substructure of the Bridge is durable and serviceable for 120
enterprise RITES (Rail India bridge was awarded to years.
Technical and Engineering Gammon India in April
Services) undertook the 2008. Construction Methodology
pre-construction studies, • A joint venture of Hindustan For the construction of this mammoth
geo-technical investigations Construction Company bridge, HCC had set-up huge facilities on
and detailed design of the (HCC), Germany-based the left bank of the river that had three
rail-road bridge. sequences of Fabrication, Assembly and
DSD Brouckenbau and
• Bhartia Infra constructed the VNR Infrastructures was Launching.
guide bunds and approach awarded the contract to Fabrication: The Fabrication Shops of 2000
embankments on the south construct superstructure MT per month capacity were set-up with
bank of the bridge. of the bridge in November two parallel Bays. The team had assembled
• The contract for 2011. customized platforms in-house to fabricate
and fit various joints employing Gas Metal

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