Jammu–Baramulla line


The Jammu–Baramulla line is a railway track being laid to connect the Kashmir Valley in the Indian union territory of Jammu and Kashmir with Jammu railway station and thence to the rest of the country. The 356 km railway track will start from Jammu and ends at Baramulla. It is in the jurisdiction of the Firozpur railway division of Indian Railways' Northern zone.
Construction of the route faced natural challenges including major earthquake zones, extreme temperatures and inhospitable terrain. The project has had a long and chequered history, and serious progress was made only after it was declared a National Project of India in 2002. Although its scheduled completion date was 15 August 2007, unforeseen complications have pushed back the date several times. The sections from Jammu to Katra and Banihal to Baramulla have been built and are operational. The track from Katra to Banihal is to be completed by 2020.. The extension of railway line upto Kupwara is also approved.

Timeline

The railway line is divided into four sections:
Leg 0 has been operational since 2005.

Leg 1

Leg 1 has been operational since July 2014. The leg had missed opening dates in the past, including December 2005, December 2006 and May 2009. Work on the section, suspended for two years due to a partial tunnel collapse, resumed in September 2009. Although the section was planned to open by 2 February 2014, passenger service was delayed due to Commission of Railway Safety concerns about one bridge and tunnel. The route includes seven tunnels and 30 bridges. The section was opened on 4 July 2014.

Leg 2

Leg 2, running 111 km from Katra to Banihal is under construction, may be completed in 2022. Construction on the leg has been beset by technical difficulties with alignment and disputes with contractors, and was originally expected to be finished in 2017–18. This is the line's most difficult section of the rail line, with 62 bridges and a number of tunnels totalling 10 km out of total 129 km. It requires 262 km of access roads connecting 147,000 people in 73 villages; 160 km, connecting 29 villages, is completed. In July 2008, work on part of the Katra-Banihal section was suspended for a possible realignment. The alternative alignment, proposed by the railway, reduced the track length from 126 km to 67 km. A committee appointed by the Railway Board recommended abandoning 93 km of the previously-approved alignment. On 12 November 2014, the Delhi High Court directed the central government to appoint a committee to review the 126 km-long section.
An 18 km stretch of Leg 2, between Quazigund and Banihal, was authorised on 26 June 2013. The stretch includes the 11.215-km Pir Panjal Railway Tunnel, also known as the Banihal railway tunnel. India's longest rail tunnel, it is 8.4 m wide and 7.39 m high. The tunnel includes a 3 m-wide service road for maintenance and emergency use. Its average elevation, 1760 m, is 440 m below the existing road tunnel.
The tunnel facilitates transportation during winter, and halves the distance between Quazigund and Banihal. The Banihal railway station is 1,702 m above mean sea level, and trains run from Banihal to Qazigund through the tunnel. The 5 km Banganga section was expected to be operational before the completion date of 2017–18 for the entire project.
This leg contains the construction of two extremely challenging bridges, an arch bridge on the Chenab river and cable-stayed Anji Khad Bridge.

Status updates

Status update of under construction 148 km route from Katra to Banihal.
Leg 3 has been operational since October 2009. The line from Baramulla to Banihal, across the Pir Panjal Range, is 130 km long. Since the 25 km-long Udhampur-Katra section was commissioned in October 2013, only the 148 km Katra-Banihal section of Leg 2 remains to be constructed. Until the Katra-Laole section of railway is finished by 2020, travel from Jammu Tawi to Banihal by road and from Banihal to Srinagar by rail is possible.

Extension

The line may be the most difficult rail project undertaken on the Indian subcontinent. The young Himalayas are geologically surprising and problematic. The track's alignment presents one of the greatest railway engineering challenges ever faced; only Tibet's Qingzang Railway, completed in 2006 across permafrost and climbing to over above sea level, is comparable. Although the Indian temperatures are less severe, the region experiences harsh winters with heavy snowfall. In the Pir Panjal Range, most peaks exceed in height.
The route includes many bridges, viaducts and tunnels. The railway is expected to cross over 750 bridges and pass through over of tunnels, the longest of which is. Engineering challenges include crossing the Chenab River on a bridge above the riverbed and crossing the Anji Khad on a bridge above the riverbed. The Chenab Bridge will be the highest railway structure of its kind in the world, higher than the top of the Eiffel Tower. Both bridges will be simple. Weathering steel is planned for an environmentally-friendly appearance and to eliminate the need for painting. The design and structure is similar to West Virginia's New River Gorge Bridge. The project is managed by the Konkan Railway Corporation. Completion was scheduled for 2012, and it requires 26,000 tonnes of steel.
All tunnels are built with the New Austrian tunnelling method, and a number of challenges have been encountered while tunnelling through the geologically-young, unstable Sivalik Hills. In particular, water entered the Udhampur-to-Katra section; this required drastic solutions with steel arches and several feet of shotcrete. Along with shotcrete, lattice girder support were provided according to different class of rocks found along the entire terrain of mountains in the proposed project.
Although the rail line is being built through a mountainous region, a one-percent ruling gradient has been set to provide a safe, smooth, reliable journey. Bank engines will not be required, making the journey quicker and smoother. It will use Indian broad gauge continuous welded rail laid on concrete sleepers, with a minimum curve radius of 676 m. The maximum speed will be. Provision for future doubling will be made on major bridges. Provisions for future electrification will also be made, although the rail line will use diesel locomotives initially; the region is presently electricity-scarce. There will be 30 stations on the route, initially served by 10–12 trains per day.
Closed-circuit television cameras at major bridges, tunnels and stations are planned, and all major bridges and tunnels are illuminated.

Rolling stock

Passenger service will be provided by high-power diesel multiple units and heated, air-conditioned coaches have wide windows, sliding doors and reclining seats. The driver's cabin has a heating and defogging unit, and is fitted with a one-piece glass window for a wider view. A snow-cutting cattle guard is attached to the front of the train to clear snow from the tracks during winter. Due to the valley's cold climate, the 1,400-horsepower diesel engine has a heating system for quick, trouble-free starts. Coaches have a public-information system and a pneumatic suspension for riding comfort. There is a compartment for the physically disabled, with wider doors.
Freight rolling stock for the route will come from the existing national fleet. Freight service will run between the 10–12 daily passenger trains. Maintenance will be done at the Badgam workshop, north of Srinagar. Three-aspect colour-light signalling is being installed on the route for safety, and GSM-R equipment may be installed in the future to improve its quality.

Project agencies

is in charge of the Udhampur-Katra section. The subsidiary Konkan Railway Corporation is in charge of the Katra-Laole section. This is arguably the line's most difficult portion, with over 92 percent tunnels or bridges— of bridges and of tunnels. Ircon International, a public-sector company, is in charge of the Dharam-Qazigund-Baramulla section. One hundred thirty-eight kilometres of the line, including the valley and the Pir Panjal Railway Tunnel, is operational. Hindustan Construction Company built the Pir Panjal tunnel through the range for about ₹900 crore. Afcons Infrastructure Limited and South Korea's Ultra Engineering will design and build the Chenab Bridge for around ₹974 crore. Gammon India and South Africa's Archirodon Construction will build the Anji Khad Bridge for ₹745 crore.

Construction-related casualties

When completed, the 359m tall Chenab Bridge will be the tallest railway bridge in the world. It will be 1315m long with stations at both ends.