As part of its design and build contract for the Srisailam left bank canal tunnel scheme of the Alimmineti Madhava Reddy (AMR) project, Jaiprakash Associates Limited (JAL) will use two Robbins 10 m-diameter hard rock double shield TBMs and related equipment. The machines will bore a 43.5 km-long tunnel (tunnel T-1) of 9.2 m finished circular diameter. Click here. Visit www.robbinstbm.com and www.jilindia.com 26/06.

India's three-decades-old Srisailam Left Bank Canal project SLBC, previously known as the AMR project, has stalled due to reported non-payment of contractors. The deadline for completion of the 43.5 km-long Nalgonda and 18.8 km Veligonda TBM tunnels expired a month ago. Nalgonda will be the world's longest bored tunnel. The Srisailam dam, with a huge capacity 800 sq km reservoir and 1,670 MW electricity output, is key to power supplies in Andhra Pradesh state. The 240 m-high dam came under threat a year ago when record inflows were experienced from the Krishna river. For contract details visit www.coastalprojects.co.in/ProjectAwardedLookup.asp and for project background visit www.aponline.gov.in. Visit tunnelbuilder archive in/42 and in/45 for project history. 40/10.

Larsen & Toubro has bagged the development rights for the 60 MW Singoli Bhatwari hydroelectric power project from the government of Uttaranchal on a build, own, operate and transfer (BOOT) basis. The project, valued at around Rs5 billion, is located in Rudraprayag district of Uttaranchal on Mandakini River, a tributary of the Ganga. Larsen & Toubro will develop, finance, construct, commission and operate the power plant for a concession period of 45 years. The project involves design and construction of a 20 m-high 80 m-long dam, a 12 km-long headrace tunnel, surface powerhouse, substation and a 12 km-long 132 kV transmission line. Visit www.larsentoubro.com 23/06.

Hindustan Construction Company has been awarded the Uri II hydroelectric project by the National Hydroelectric Power Corporation (NHPC). Stage II of the scheme is located on river Jhelum in Baramulla district of Jammu & Kashmir. The project mainly comprises of a 50 m-high dam, a 132 m-long x 15 m-wide x 41 m-high underground power house (4 units of 60 MW each), a 4,275 m-long 8.4 m-diameter headrace tunnel, a 3,775 m-long 8.4 m-diameter tailrace tunnel, a 25 m-diameter surge shaft and a pressure shaft. The project is valued at Rs5.75 billion. The completion period is 51 months. Visit www.nhpcindia.com/english/press/uri2chamera3.htm and www.hccindia.com 46/05.

  A JV of Hyderabad-based SEW Constructions, Prasad Constructions Works and Iranian contractor Sabir successfully bidded for the 18.8 km Veligonda tunnel project, located on the right bank of Srisailam Reservoir. The client is the Department of Irrigation of the Government of Andhra Pradesh.As the finished diameter is 7 m and an old double shield hard rock TBM of 7.9 to 8 m in diameter is not available, a new double shield hard rock TBM is the preferred method. The TBM is planned to commence from the exit portal. The contractor is currently in talks with the TBM manufacturers. Muck removal is planned by continuous conveyor belt. The selection of suppliers is also under negotiation. Interested firms are invited to submit their quotations.The Veligonda project envisages withdrawal of water through the Veligonda straight tunnel, with a carrying capacity of 85 cu m per second, into a new reservoir which is being formed by plugging three gaps. Works are in progress downstream of the tunnel, including the open channel / canal and the dams to shape the reservoir, which makes the completion of the tunnel a critical component for the successful completion of the project and utilisation of the water. The water tightness specifications have not been mentioned by the owner / client and no water loss measurements would be undertaken at the inlet and exit. The geological strata is dominated by quartzites varying from 180 MPa to 230 MPa, shales and phyllites of varying strengths from 80 MPa to 140 MPa. No shaft, adits or caverns are necessary. At the exit end the tunnel, the bed is only 26 m under the current ground level. The planned date to start tunnelling is January 2007. Construction time: 36 months. Construction cost: USD142 million. Given the above criteria and lack of stiff prerequisites from the client, the JV is opting for honey comb precast lining or bolted segments with a simple economical design. The number of segments per ring depends on the design. The JV wishes to commission the lining design to experienced firms who can save on the construction costs thanks to efficient design. Contact Mr. Srikanth C., Vice-President Business Development, SEW Constructions Ltd, 6-3-871, "Snehalatha", 1st Floor, Greenlands Road, Begumpet, Hyderabad 500016. Tel. +91 40 2340 2153 / 2340 3273 or 5551 2157, fax +91 40 2340 5016, e-mail csrikanth@eth.net, sewconhyd@eth.net or sewcon2001@yahoo.com. Visit http://sewconstructions.com/home.html and www.sabir-co.com 39/05.Hindustan Construction, in joint venture with Coastal Projects, has received a letter of award for INR7.35 billion for investigation, design, execution and construction of the second tunnel for the Pula Subbaiah Veligonda project, a 18.8 km 9.2 m-internal diameter tunnel for the water transmission system linking Srisailam Reservoir up to Guntur-Kurnool road to join into a feeder canal. The scheme will transfer water from the Krishna river to the Pakasam, Nellore and Cuddapah districts of the state. The contract also includes operation and maintenance of the tunnel for a period of two years after successful commissioning of the tunnel. The company's 60% share of order is INR4.41 billion. The project is to be completed in 60 calendar months. Visit www.hccindia.com 21/07.For the Veligonda I project, one Herrenknecht hard rock double shield machine will be used. The diameter of the cutter head is 7,960 mm, the cutter head power is 2,800 kW (8 x 350 kW), the total thrust is 14,418 kN and the cutter head torque is 8,470 kNm. The tunnel is followed by an open channel which would carry water to the downstream reservoir. The access to the tunnel is from the open channel. The TBM assembly area has been prepared at the transit point where the tunnel discharges water into the canal/open channel. The first batch of the machine part has arrived at the Port in Chennai and is awaiting customs clearance. The boring is expected to start from August onwards. Honey comb concrete segments will be installed, with four segments per ring. The segments will be produced nearby the project site by the JV of contractors, SEW Construction, Prasad Constructions Works and Sabir. The supplier of the segment plant and moulds is Herrenknecht. A conveyor belt, which is being designed by in-house and local experts, will be used for rock evacuation. The Veligonda project has two tunnels of 7 m and 9.2 m inner diameter. The second, 9.2 m ID tunnel parallel to the 7 m ID tunnel has been awarded recently to Hindustan Construction and Coastal Projects. Click in/42. Visit www.herrenknecht.com 23-24/07.

  Invitation for prequalification, deadline 21st June, 2005 for the 434 MW Rampur hydroelectric project. Package 1 is for civil works for 433.36 m of headrace tunnel on the left bank, river diversion works, a 43.2 m cut-and-cover section of the headrace tunnel, a 642.5 m-long construction adit and spill tunnel on the left bank, a 12,372 m headrace tunnel on the right bank, a 224 m-long diversion tunnel and D-shaped adit to the headrace tunnel and their plugs including provision of vehicular gates in one of the adits.Package 2 is for civil works for 2,188 m of headrace tunnel on the right bank, a surge shaft, pressure shafts, a valve house, a power house complex, a tailrace tunnel including its outfall structure, adits, river protection works and hydromechanical works. Invitations for bid will be made in August 2005. Contact Satluj Jal Vidyut Nigam Ltd. (SJVNL), Deputy General Manager (Contracts), Corporate Contract Department, D-15, Sector 1, Phase I, New Shimla 171009 Himachal Pradesh, India. Tel +91 1772672143, fax +91 1772671715, e-mail: contractsjvnl@yahoo.com or visit http://sjvn.nic.in/tenders/spn.htm 22/05.Patel Engineering in joint venture with Gammon India has bagged an order worth INR8.06 billion from Satluj Jal Vidyut Nigam Ltd for the 434 MW Rampur hydroelectric project. The project work involves construction of a 15 km-long headrace tunnel, a 140 m-deep surge shaft and power house on the right bank of Satluj river near Bael village in Kullu district. The project will be completed in the next 54 months. Visit www.pateleng.com and www.gammonindia.com 15/07.

The Delhi Metro Rail Corporation (DMRC) has been contracted by the Tamil Nadu government to prepare a detailed project for a metro rail system in Chennai (formerly Madras). The report, to be prepared at a cost of Rs33 million, will be completed in six months. A feasibility study was carried out by the DMRC, which recommended developing the Chennai metro along three corridors. Corridors I and II would be taken up in the first phase. The third corridor would come up later in the second phase. The first corridor will cover 31.54 km from Tiruvottiyur in the north to the airport along the arterial Anna Salai. Of this, about 8.4 km could be underground and the rest will be on elevated track. The second corridor will cover 13.54 km from Chennai Beach to Koyambedu, along EVR Periyar Salai. The third corridor will span 21.68 km from Tiruvanmiyur to Lattice Bridge Road, Ramakrishna Mutt Road, Luz Church Road, Theagaraya Road, Inner Ring Road and Ambattur Industrial Estate. The first phase of the Chennai project is estimated to cost Rs50.8 billion. It would be implemented between 2005 and 2010. Visit www.delhimetrorail.com 16/05.

The JV Gammon India Ltd/OJSC Mosmetrostroy secured the two contracts UAA-02 (EUR150 million) and UAA-03 (EUR163 million) for design and construction of underground stations along Anna Salai, or Mount Road as it is more popularly called, and associated tunnels for Chennai Metro Rail Limited (CMRL). Gammon will construct the seven underground stations at Government Estate, LIC building, Thousand Light, Gemini, Teynampet, Chamiers Road and Saidapet. Mosmetrostroy of Moscow will construct the twin-bored tunnels along a 6.4 km-long stretch. These contracts are part of the five tender packages (UAA-01 to UAA-05) floated by CMRL for design and construction of the 18 km-long Washermanpet-Airport corridor, of which 14.3 km between Washermanpet and Saidapet will be underground with 19 underground stations. Visit http://www.gammonindia.com/news/2011/Chennai_Metro.pdf. 09/11.CMRL awarded the tender for design and construction of track work in Viaduct, Tunnel, Underground and Depot in Corridor - I & II to a JV of Larsen & Toubro with Chennai and Alstom at a total cost of EUR72.14 million. Visit http://www.chennaimetrorail.gov.in/press_releases/pre13.pdf. 09/11.

Invitation to tender, deadline 03.02.2016, for the design and construction of the final works of the underground tunnels from the south end of May Day Park to the north end of AG-DMS for the Chennai Metro rail project. Duration of contract will be 9 Months from the date of issue of the letter of acceptance. Value of the contract is EUR666,146 (USD732,327). The pre-bidding conference is on 06.01.2016 at 11h00 in the Chennai Metro Rail Ltd  Conference Room, Koyambedu, Chennai, e-mail cgmugc.cmrl@tn.gov.in. Visit http://www.chennaimetrorail.gov.in/tenders/NIT_BW_UG_02T_UG.pdf. Contract number. BW-UG-02-Tunnels, Tender number. CMRL/02/2015/UAA02/BalanceWorks. 51/15.

Invitation to tender, deadline 03.02.2016, for the design and construction of the final works for underground stations at Government Estate, LIC Building and Thousand Lights for the Chennai Metro rail project. Duration of the contract is 22 Months from the date of the issue of the letter of acceptance. The value of the contract is EUR991,834.79 (USD1,091,020). The pre-bidding conference is on 06.01.2016 at 15h00 in the Chennai Metro Rail Ltd  Conference Room, Koyambedu, Chennai, e-mail cgmugc.cmrl@tn.gov.in. Visit http://www.chennaimetrorail.gov.in/tenders/NIT_BW_UG_02S_UG.pdf. Contract n. BW-UG-02-Station, Tender n. CMRL/02/2015/UAA02/BalanceWorks. 51/15.

Invitation to tender, deadline 04.02.2016, for the design and construction of works for the underground station boxes at Sir Thiyagaraya College and Korrukupet stations and associated tunnel works for the Chennai Metro rail project. Duration of the contract is 20 months from the date of the issue of the letter of acceptance. The value of the contract is EUR953,261.30 (USD1,048,300). The pre-bidding conference is on 05.01.2016 at 11h00 in the Chennai Metro Rail Ltd  Conference Room, Koyambedu, Chennai, e-mail cgmugc.cmrl@tn.gov.in. Visit  http://www.chennaimetrorail.gov.in/tenders/Corrigendum%20No.1_Phase%20I%20Extension-UAA-08.pdf and http://www.chennaimetrorail.gov.in/tenders/cmrl@tn.gov.in_20151130_161610.pdf. Contract n. PHASE-I EXTENSION/UAA-08. 51/15.

Invitation to tender, deadline 31.12.2015, for the design and construction of works along the underground track section from Saidapet to Washermenpet and Chennai Central to Chennai Egmore for a length of 20 km including turnouts on behalf of the Chennai Metro rail project. The duration of the contract is 12 Months. The value of the contract is  EUR 953,261.30 (USD1,048,300). Visit  http://www.chennaimetrorail.gov.in/tenders/Corrigendum.pdf, http://www.chennaimetrorail.gov.in/tenders/Corrigendum.pdf and http://chennaimetrorail.gov.in/tenders/NIT.pdf. Contract number CMRL/CON/TRACK/02/2015.

Tender number CMRL/CON/TRACK/02/2015. 51/15.

Afcons Infrastructure has been awarded the contract for the design and construction of the final works for the underground tunnels from the south end of May Day Park to the north end of AG-DMS for the Chennai Metro rail project. This 4.5 km section of the 32.10 km Wimco Nagar – Chennai Airport line starts at the May Day Park shaft, includes 3 stations at Government Estate, LIC, Thousand Lights and finally ends at the AG-DMS shaft. The original contractor of this package, a JV between Gammon-Mosmetrostroy, had abandoned tunneling work in May 2015 after completing only 1835m and 1700m of the 3616m long twin tunnels. Visit http://themetrorailguy.com/2016/05/26/afcons-awarded-contract-for-chennai-metros-may-day-park-ag-dms-section/ and http://www.chennaimetrorail.gov.in. Ref.n. BW-UG-02-Tunnels. 21/16.

Afcons Infrastructure secured the contract to construct the 2.4 km UAA08 tunnel for construction from Washermenpet station to Korrukupet in Chennai. This package includes the construction of 1500 m twin tunnels, 2 new stations at Sir Theagaraya College & Korrukupet and a ramp between Korukkupet and Tondiarpet. For further information please visit http://themetrorailguy.com/2016/06/11/afcons-wins-chennai-metros-washermenpet-korrukupet-underground-package/, www.afcons.com and http://www.chennaimetrorail.gov.in. 24/16.

Invitation to tender, deadline 08/03/21, for the construction of 5 underground stations at Thapalpetti, Moolakadai, Sembiyam, Perambur Market and Perambur Metro and Crossover at Sembiyam and works other than diaphragm wall of two underground stations at Madhavaram Milk Colony and Murari Hospital for the Madhavaram - Perambur section (Package UG-01) of the Chennai metro’s line 3. The new 26.7 km underground section between Madhavaram Milk Colony and Taramani Road Junction of  the Chennai’s new 45.81 km Line-3 - connecting Madhavaram and SIPCOT in the 118.9 km Chennai Metro Phase 2 project -  will be built through 5 civil packages, UG-01 to UG-05. Duration of the  contract is 1460 days. Pre-bid meeting will be held on 22/12/2020 at 11:00 hours in the CMRL Conference Room, followed by site visit. Contact Chennai Metro Rail Ltd, Chennai, tel  (+91) 44-2379 2000, Ext. 22347, fax (+91) 44-2379 2200, email gurunath.reddy@cmrl.in. For further information please click here. 

Ref.n. CMRL/CON/PHASE-II/CORR-3/CP01/UG01/2020. 46/20.

Invitation to tender, deadline 08/03/21, for the construction of 4 underground stations at Otteri, Pattalam, Perambur Barracks Road and Kellys and works other than diaphragm wall of two underground stations at Ayanavaram & Puraisaiwakkam High Road cum Crossover Box for the Ayanavaram to Kellys section (Package UG-02) of the Chennai metro’s line 3. The new 26.7 km underground section between Madhavaram Milk Colony and Taramani Road Junction of  the Chennai’s new 45.81 km Line-3 - connecting Madhavaram and SIPCOT in the 118.9 km Chennai Metro Phase 2 project -  will be built through 5 civil packages, UG-01 to UG-05. Duration of the contract is 1550 days. Pre-bid meeting will be held on 22/12/2020 at 15:00 hours in the CMRL Conference Room, followed by site visit. Contact Chennai Metro Rail Ltd, Chennai, tel  (+91) 44-2379 2000, Ext. 22347, fax (+91) 44-2379 2200, email gurunath.reddy@cmrl.in. Visit  

https://chennaimetrorail.org/wp-content/uploads/2020/11/NIT-CP_02_UG_02-JICA-ID-P272.pdf.   

Ref.n. CMRL/CON/PHASE-II/CORR-3/CP02/UG02/2020. 46/20.

Invitation to tender, deadline 08/03/21, for the construction of 5 underground stations at KMC, Sterling Road Junction, Nangambakkam, Gemini, Thousand Lights and Thousand Lights Crossover and works other than diaphragm wall of two underground stations at Royapettah Govt. Hospital & Chetpet Metro for the KMC - Royapettah section (Package UG-03) of the Chennai metro’s line 3. The new 26.7 km underground section between Madhavaram Milk Colony and Taramani Road Junction of  the Chennai’s new 45.81 km Line-3 - connecting Madhavaram and SIPCOT in the 118.9 km Chennai Metro Phase 2 project -  will be built through 5 civil packages, UG-01 to UG-05. Duration of the contract is 1725 days. Pre-bid meeting will be held on 22/12/2020 at 17:00 hours in the CMRL Conference Room, followed by site visit. Contact Chennai Metro Rail Ltd, Chennai, tel  (+91) 44-2379 2000, Ext. 22347, fax (+91) 44-2379 2200, email gurunath.reddy@cmrl.in. Visit  

https://chennaimetrorail.org/wp-content/uploads/2020/11/NIT-CP_03_UG_03-JICA-ID-P272.pdf .   

Ref.n. CMRL/CON/PHASE-II/CORR-3/CP03/UG03/2020. 46/20.

Invitation to tender, deadline 08/03/21, for the construction of 5 underground stations at Radhakrishanan Salai Jn, Thirumayilai Metro, Mandaiveli, Greenways Road (with part diaphragm wall), Adyar Juntion and two cross passage shafts and one emergency escape shaft for the Radhakrishnan - Adyar Junction  section (Package UG-04) of the Chennai metro’s line 3. The new 26.7 km underground section between Madhavaram Milk Colony and Taramani Road Junction of  the Chennai’s new 45.81 km Line-3 - connecting Madhavaram and SIPCOT in the 118.9 km Chennai Metro Phase 2 project -  will be built through 5 civil packages, UG-01 to UG-05. Duration of the contract is 1725 days. Pre-bid meeting will be held on 23/12/2020 at 11:00 hours in the CMRL Conference Room, followed by site visit. Contact Chennai Metro Rail Ltd, Chennai, tel  (+91) 44-2379 2000, Ext. 22347, fax (+91) 44-2379 2200, email gurunath.reddy@cmrl.in. Visit  

https://chennaimetrorail.org/wp-content/uploads/2020/11/NIT-CP_04_UG_04-JICA-ID-P272.pdf .   

Ref.n. CMRL/CON/PHASE-II/CORR-3/CP04/UG04/2020. 46/20.

Invitation to tender, deadline 08/03/21, for the construction of 3 underground stations at Adyar Depot, Indira Nagar and Taramani Road Junction and Ramp and works other than diaphragm wall of underground station Thiruvanmiyur Metro  for the Adyar Depot – Taramani Link Road Ramp  section (Package UG-05) of the Chennai metro’s line 3. The new 26.7 km underground section between Madhavaram Milk Colony and Taramani Road Junction of  the Chennai’s new 45.81 km Line-3 - connecting Madhavaram and SIPCOT in the 118.9 km Chennai Metro Phase 2 project -  will be built through 5 civil packages, UG-01 to UG-05. Duration of the contract is 1725 days. Pre-bid meeting will be held on 23/12/2020 at 15:00 hours in the CMRL Conference Room, followed by site visit. Contact Chennai Metro Rail Ltd, Chennai, tel  https://chennaimetrorail.org/wp-content/uploads/2020/11/NIT-CP_05_UG_05-JICA-ID-P272.pdf  .   

Ref.n. CMRL/CON/PHASE-II/CORR-3/CP05/UG05/2020. 46/20. 

Open invitation to tender, deadline 18/06/2021, for construction of 5 underground stations at Boat Club, Nandanam, Panagal Park, Kodambakkam, Kodambakkam flyover including underground cross over at Panagal Park Station and associated 4.8km twin tunnel, cut&cover, U section and ramp project start from  km 5+150 to end km 10+027 for the Chennai metro (Down line). For tender documents click here.  Duration of the contract is 48 months. The pre-bid both online and offline meeting shall be conducted at the CMRL admin building on 06/04/2021 at 15:00 Hrs. 

Contact Chennai Metro Rail Ltd, Chennai , tel 044-2379 2000, Extn: 22347, fax044-2379 2200, 

email gurunath.reddy@cmrl.in.  For further on the tender, please click here. Ref.n. CMRL/CON/PHASE-II/C4-UG-02/2021. 08/21. 

Open invitation to tender, deadline 18/06/2021, for construction of 4 underground stations at Light House, Kutchery Road, Alwarpet and Bharathidasan Road including underground stabling yard and cross over at Light House Station and associated 5.15km twin tunnel from  km0+001 to km5+150 for the Chennai metro (Down line). For tender documents click here.  Duration of the contract is 48 months.  The pre-bid both online and offline meeting shall be conducted at the CMRL admin building on 06/04/2021 at 11:00 Hrs. 

Contact Chennai Metro Rail Ltd, Chennai , tel 044-2379 2000, Extn: 22347, fax044-2379 2200, 

email gurunath.reddy@cmrl.in.  For further on the tender, please click here. Ref.n. CMRL/CON/PHASE-II/C4-UG-01/2021. 08/21. 

Postponed from 18/06/2021 to 02/08/2021 the deadline of the open invitation to tender for  construction of 5 underground stations at the Boat Club, Nandanam, Panagal Park, Kodambakkam, Kodambakkam flyover including underground cross over at Panagal Park Station and associated 4.8km twin tunnel, cut&cover, U section and ramp project start from  km 5+150 to end km 10+027 for the Chennai metro (Down line). Duration of the contract is 48 months. Contact Chennai Metro Rail Ltd, Chennai , tel 044-2379 2000, Extn: 22347, fax044-2379 2200, email gurunath.reddy@cmrl.in.  For further on the tender, please click here. Ref.n. CMRL/CON/PHASE-II/C4-UG-02/2021. 29/21.  

Postponed from 18/06/2021 to 02/08/2021 the deadline of the open invitation to tender for construction of 4 underground stations at Light House, Kutchery Road, Alwarpet and Bharathidasan Road including underground stabling yard and a cross over at Light House Station and associated 5.15km twin tunnel from  km0+001 to km5+150 for the Chennai metro (Down line). Duration of the contract is 48 months.  Contact Chennai Metro Rail Ltd, Chennai , tel 044-2379 2000, Extn: 22347, fax044-2379 2200, email gurunath.reddy@cmrl.in.  For further on the tender, please click here. Ref.n. CMRL/CON/PHASE-II/C4-UG-01/2021. 29/21.

Invitation to tender, deadline 27/10/2022, for the construction of underground stations at Kolathur Junction, Srinivasa Nagar, Villivakkam Suburban Station (Villivakkam) , Villivakkam Bus Terminus and Nathamuni (Villivakkam Mth Road) with Entry/Exit, Ventilation shafts, Plumbing, Architectural finishes, Signages etc including twin bored tunnels from the Kolathur junction retrieval shaft to the Nathamuni (Villivakkam Mth Road) launching shaft and ramps with U section in Corridor-5 of CMRL Phase-II Project. Contact Chennai Metro Rail Limited, Koyambedu, Chennai. Visit https://eprocure.gov.in/eprocure/. Ref.n. CMRL/CON/PHASE-II/CORR-5/CP06/UG06/RT01/2021. 41/22. 

M/s Larsen & Toubro Ltd from Chennai have secured the EUR261.81 million (INR23.5 bn) contract from Chennai Metro Rail Corporation Limited (CMRL) to construct nearly 12 km twin bored tunnels from Kellys station to Taramani Road Junction station. It also involves construction of diaphragm walls of station box and entry /exit structures of Chetpet Metro, Royapettah Govt. Hospital, Thiruvanmiyur Metro Stations and part diaphragm wall of Greenways Road Metro Station, including launching and retrieval shafts in these stations. This underground Metro Rail tunnel package is a part of Corridor 3 of CMRL Phase-II Metro Rail Project and is to be constructed in approximately 52 months by using 8 TBMs working simultaneously in various stretches of the project. Visit https://eprocure.gov.in/eprocure/app and https://www.larsentoubro.com/.  Ref.n. CMRL/CON/PHASE-II/CORR-3/CP31/TU02/2021. 27/21. 

NHPC has finalised a Rs9.2 billion contract agreement with Larsen & Toubro for major civil works for the 2,000 MW Subansiri Lower hydroelectric project, located in Lower Subansiri district of Arunachal Pradesh and Dhemaji district of Assam. The project envisages the construction of a eight 9.5 m-diameter horse shoe-shaped headrace tunnels, with lengths varying from 630 m to 1,145 m and totalling 7.1 km altogether; a 236 m x 16 m x 62 m surge chamber; eight 8 m-diameter pressure shafts with varying depths ranging from 195 m to 212 m and totalling 1,628 m; a 285 m x 61 m x 64 m surface power house; a 206 m x 35 m tailrace tunnel; and two D-shaped tunnels, 9 m-diameter x 450 m in length and 6 m-diameter x 275 m in length. Visit www.nhpcindia.com and www.larsentoubro.com 20/04.

  Electrowatt-Ekono of Switzerland, part of the Jaakko Pöyry Group, has been awarded a power consultancy service contract from NHPC for Stage II of the 4 x 200 MW Parbati hydroelectric plant. The contract includes tunnelling expert services, which will be provided by Electrowatt Infra. The Parbati scheme involves a 90 m-high dam on the Parbati river and a 31.4 km-long 6 m-diameter headrace tunnel. Visit www.poyry.com and www.nhpcindia.com 30/03.Larsen & Toubro, in association with Patel Engineering, has bagged a contract worth Rs4.39 billion from the National Hydroelectric Power Corporation (NHPC), for execution of Lot 1 of the 520 MW Parbati hydro electric project, Stage III in Kullu district. The consortium will construct works within 56 months a river diversion, a 43 m-high rockfill dam, an intake, desilting chambers, a 5.9 km-long 7.25 m-diameter headrace tunnel and other associated. Visit www.nhpcindia.com and www.lntenc.com 10/06.

Tenders invited by the government of Rajasthan for the design and construction of a 4.6 km-long tunnel with RCC lining in hills near Dewas for Udaipur City Mansi Wakal water supply project. Deadline for purchase of tender documents: 7th April, 2003. Deadline for submission: 21st April, 2003. Contact: Manoj Sharma, Project Director, Rajasthan Urban Development, AVS Building, Jawahar Circle, JLN Marg, Malviya Nagar, Jaipur 302017, India. Tel. +91 2721966, fax +91 2721919. Visit www.rajinfrastructure.gov.in/tenders/pdf/Main/LCB-TK(06)-18.2.2003.pdf 14/03.

Ircon International invites expressions of interest, deadline 10th January, 2003 for the design of a 12.5 km-long tunnel through Pir Panjal, minimum cross section of 50 sq m and maximum overburden of 1 km. The tunnel is located at the Banihal Pass and is planned on a 50 km new railway between Laole and Qazigund. Contact Ircon International, Palika Bhawan, Sector XIII, R. K. Puram, New Delhi 110066. Tel. +91 011 6889361, fax +91 011 6885165, e-mail info@irconnet.com 02/03.New planned rail link to Kashmir extending the rail link from Jammu to Udhampur includes a 12 km tunnel, 7 m-high x 10 m-wide to be driven in limestone, slate of 40-100 Mpa, with loose fill overburdens. Project currently in the design stage. Target for completion is end-2007. Building method not yet decided, but roadheaders anticipated or TBM if geology permits. Steel supports and final concrete lining. Cost about US$40 million financed by the government of India. Advice on ventilation and design issues to Rakesh Chopra, Northern Railway, New Delhi, tel. +91 11 23861780 or 26875757, fax +91 11 23860286, e-mail chopr_a@yahoo.com 08/03.The detail design consultancy (including tender documents) and construction supervision of a 11.5 km railway tunnel through Pir Panjal range of Himalayas in the State of Jammu & Kashmir has been awarded to a JV of Geoconsult ZT GmbH and Austria & Rites Ltd with Geoconsult as the lead partner. The value of the contract is approx. USD8 million. It is part of the national project of connecting the Kashmir Valley with the rest of the country through a railway line. Completion time is 38 months. Ircon is the main contractor for the Northern Railway under the Ministry of Railways. More from info@geoconsultindia.com 05/04.Call for tenders, deadline 15th April, 2005 for supply, installation, commissioning and monitoring of geotechnical instrumentation and 3D monitoring of tunnel works for construction of the Pir Panjal tunnel, approximate length 10,960 m, on the Laole-Qazigund section of the Udhampur-Srinagar-Baramulla new broad gauge railway line project. Tender documents can be obtained from Ircon International, Office of general manager/J&K-II, A2/7,Safdarjung Enclave, New Delhi 110 029 or visit www.irconinternational.com/PirPanjal_GlobalTender/Tech.%20Bid%20-%20Instrumentation%20-%20Vol-I.pdf 13/05.IRCON International has awarded to Hindustan Construction Company the construction of the 10.96 km Pir Panjal tunnel on the Laole-Qazigund section of Udhampur-Srinagar-Baramulla new broad gauge railway line. The project has been split up in two contracts, Zone VA and Zone VB (6.13 km and 4.83 km), valued at Rs2.18 billion and Rs1.7 billion respectively. The tunnel is a typical single-tube horseshoe type Indian Railways tunnel. It has an access tunnel of about 800 m and an access shaft of 55 m. The anticipated geology to be encountered is alternate bands of quartzite and limestone. Tunnelling equipment include road headers, hydraulic drilling jumbos and excavators. Support/lining methods as per NATM. Muck haulage with wheel loaders and low profile dumpers. The access tunnel and shaft are part of a separate Rs197.6 million contract started in June 2004, to be finished in December 2005. The planned detailed execution of the two tunnels started in August 2005 and will be finished by March 2009. The Pir Panjal tunnel forms part of an ambitious 120 km-long rail project across the Pir Panjal range. The railway line will connect the Kashmir valley with the rest of the country. Visit www.hccindia.com and www.irconinternational.com 42/05.Tender notice (KR/PD/J&K/Tender/DDC/Tunnels/Km 30-100/O), deadline 23rd October, 2007 for detailed design consultancy and construction supervision for tunnels, including open cutting and slope stabilization, at chainage 30 to 100 on the Katra-Dharam section of the Udhampur-Srinagar-Baramulla rail link. The document sale ends on 21st September. Contact Konkan Railway Corporation Ltd, Managing director, Corporate office, Belapur Bhawan, Plot No. 6, Sector 11, CBD Belapur, Navi Mumbai 400614, Maharashtra. Tel. +91 2227572015, fax +91 2227572420. Visit www.konkanrailway.com 38/07.Invitation for proposal (tender No. CCD-SJVNL-801(CS)-07), deadline 25th September, 2008 for construction stage geological investigation work including surface geological mapping of 47 tunnels and their portal locations; preparation of geological sections along tunnels based on the surface geological mapping and subsurface explorations and drilling data; recommended / suggested additional subsurface exploration by drilling / geophysical surveys in future, if necessary; geological face logging of tunnels during the excavation; and day-to-day suggestions / advice on geotechnical matters to site engineers in consultation with SJVNL design engineers.Konkan Railway Corporation Ltd (KRCL) is engaged in construction of a 90 km single broad gauge railway line between Katra (Vaishnodevi) and Laole, as part of the Udhampur-Srinagar-Baramula rail link project. The line is passing through a very difficult terrain of Himalayan geology. There are 47 tunnels where underground length is about 58 km. The two longest tunnels are 5.3 and 5.9 km to be driven from two ends only. To complete this job, KRCL is in the process of bringing latest and appropriate technology and engaging firms in the field of underground excavation. KRCL has appointed Satluj Jal Vidyut Nigam Ltd (SJVNL) as consultant to assist in geotechnical engineering, geological mapping of tunnels during the excavation, design for support systems (wherever required), concrete lining, tunnel portals and carrying out design and testing of shotcreting and concrete mix in alkali reactive aggregate at site for different type of strata.Visit www.tenders.gov.in/viewcrdoc.asp?tid=hp139901&wno=1&cno=1&td=TD and www.tenders.gov.in/viewtenddoc.asp?tid=hp139901&wno=1&td=TD or contact Satluj Jal Vidyut Nigam Ltd (SJVNL), Deputy general manager (DRB/Contracts), Corporate contracts department (Civil), D-15, Phase-I, Sector-I, New Shimla 171009. Tel. +91 1772672143, fax +91 1772671092, e-mail vk.pathak@sjvn.nic.in or contractsjvnl@yahoo.com 28/08.

Invitation to tender, deadline 06.08.2014, for providing supply, installation and monitoring services of tunnel instrumentation during construction of tunnel T48 (10.2 km-long) in Zone I of Dharam-Qazigund section of Udhampur-Srinagar-Baramulla New BG Railway Link Project: from km105.200 to km110.200, package T48-B. Duration of contract 60 months. Tender to be submitted to General Manager/Coordination/J&K, IRCON Int’l Ltd, New Delhi. Visit http://eprocure.gov.in/cppp/tendersfullview/id%3D897354. Ref.n. IRCON/JandK-Cell/JAT/14/1014/DQ/T48/Instrumentation/PkgB/282. 31/14.

Invitation to tender, deadline 06.08.2014, for providing supply and monitoring services for tunnel instrumentation during construction of tunnel T49 A&B (15 km-long) in Zone II and III of Dharam-Qazigund section of Udhampur-Srinagar-Baramulla New BG Railway Link Project: from km111 to km125, package T 49 A and B. Duration of contract 60 months. Tender to be submitted to General Manager/Coordination/J&K, IRCON Int’l Ltd, New Delhi. Visit http://eprocure.gov.in/cppp/tendersfullview/id%3D897355. Ref.n. IRCON/JandK-Cell/JAT/14/1014/DQ/T-49/Instrumentation/Pkg-AandB/281. 31/14.

Hindustan Construction Company (HCC) has been awarded the EUR235.58 million contract (Rs 1749.59 crore) by IRCON International Ltd to construct two tunnels and a bridge on Katra - Banihal Section of Udhampur - Srinagar - Baramulla New Broad Gauge Railway Line Project. The project will be completed in 30 months. The contract involves construction of two main tunnels (T13 & part of T14) totaling 12.8 km along with parallel safety tunnels, a 200 m bridge adjoining these two tunnels and a station yard at Basindadhar. Visit http://www.hccindia.com/hcc_admin/data_content/pdf_files/IRCON-order.pdf. 31/16.