Chinese signature on new Yamuna bridge

Discussion in 'Economy & Infrastructure' started by sandeepdg, Jul 10, 2011.

  1. sandeepdg

    sandeepdg Senior Member Senior Member

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    Indian Companies Back Out Of Project, Chinese Firm To Build Main Pylon Of Signature Bridge
    Richi Verma TNN

    New Delhi: The Delhi government’s showpiece project promises to capture both eyeballs and footfalls. At a height of 154m, the main pylon of the much-delayed Signature Bridge at Wazirabad will be twice the height of the Qutub Minar and could be one of the city’s biggest tourist attractions when it is completed almost two-and half-years down the line. All this, thanks to China, whose firms stepped up to the challenge, when Indian companies expressed their inability to construct the main pylon of the bridge.

    A Chinese company, Jiangsu Zhongtai Steel Structure Co Ltd, a sub-contractor of Bridge Contractor Gammon-Constutora-Tensacciai JV, has been given the task of fabricating the 15,000 tonne steel pylon and deck girders. The pylon will be brought to India in pieces and the firm will also be responsible for assembling and erecting the pylon and deck at site.

    Special grade steel, also sourced from China, will be used to construct the pylon. “In India, we normally get grade S250 steel but this project requires S355 and S460 grade steel which is of European standards. The structure requires steel plates that are 150mm thick while, normally, we use upto 80mm steel plates in India,” explained the official. The Delhi Tourism and Transportation Development Corporation (DTTDC) says fabrication and erection of the pylon and deck girders will be completed within the next 18 months.

    “Once the Chinese firm completes about 2,000 tonnes of fabrication, they will start shipping it to India and the assembly process will begin,’’ said officials.“The main pillar will have 18 cables on the western side and four back-stay cables on the eastern side. A beacon will be placed at the top of the pylon and will be visible to 50 per cent of Delhites at night,’’ said BB Wadhwa, executive engineer, DTTDC.

    The main pylon of the bridge boasts a unique bowshaped, inclined design that is sure to leave a lasting impression on tourists. The Signature Bridge will connect NH-1 on the western bank of the Yamuna to Wazirabad Road on its eastern bank. It will have two subways, footpaths and cycle tracks, besides the bridge. There will be space for a dual, four-lane carriageway (14m each) with a 1.2-metre-wide central verge; space for anchoring cables, maintenance walkway and crash barriers on either side of the central verge. The main span will be 251m and the approach span on either side will be of 36m. There is also provision for cloverleaves to cater to increased traffic volumes in the future.

    Not surprisingly, getting the requisite clearances for this project was a mammoth task. DTTDC officials said that they first got conceptual approval from the DDA technical committee and then got a green signal from DUAC. “We also obtained environmental clearances. A hydraulic model study was done by the Central Water & Power research station in Pune. IIT Roorkee did a seismology study as Delhi falls in an earthquake-prone zone. A wind tunnel study for the main pylon was also done in a special laboratory in Germany to examine wind effect on the pylon,’’ said an official.

    DTTDC has also roped in M/S Lloyds, a third-party company from UK, to check the quality of the fabrication work that is being carried out in China. A gigantic crawler crane, sourced from abroad and capable of lifting upto 1200 tonnes, will be pressed into service.

    The idea of a new bridge to go across the River Yamuna at Wazirabad has been a subject of discussion for several years. The inauguration of the Signature Bridge was initially planned to coincide with the Commonwealth Games but the project became mired in controversy and clearance delays leaving the government no option but to delink the project from CWG.

    The main aim of the Signature Bridge is to replace the existing two lane barrage cum bridge at Wazirabad and to improve connectivity to North East areas in trans-Yamuna Delhi while also acting as interstate corridor between the Northern states and Uttar Pradesh. The total project cost is Rs 1,131 crores.

    CAPITAL SHOWPIECE

    Cable-stayed bridge will link NH-1 near existing T-point at Wazirabad on Yamuna’s west bank and Marginal Bund Road at Khajuri Khas on eastern bank. This will connect north Delhi with east Delhi
    Main pylon (pillar protruding from the deck) of Signature Bridge will be 154m, twice the height of Qutub Minar
    18 main cables on one side and four back-stay cables on other will support deck from the main pylon
    Lights will be placed atop pylon and will be visible across the city at night

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  3. satish007

    satish007 Senior Member Senior Member

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    Chinese are good at infrastructure and Indian good at IT. Indian are smart because they hire a UK company to do QA. so they will get reasonable price and good quality bridge.
     
  4. satish007

    satish007 Senior Member Senior Member

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    actually,Chinese good at dirty / hard work,Gammon India will make big money, you guys will seen a lot of Chinese in PLA uniform soon, they are just rural laborers.
     
  5. sandeepdg

    sandeepdg Senior Member Senior Member

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    I have already seen a lot Chinese workers in India and they are never in a PLA uniform !! What has the PLA gotta do with building a bridge ?? Really outrageous comment, man ......
     
  6. sandeepdg

    sandeepdg Senior Member Senior Member

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    By the way, what I don't understand is that we are building an aircraft carrier which requires highly specialized steel, but here in this bridge, no Indian company could supply the European grade steel that was needed for the main pylon !

    So is AC grade steel different form the steel required for this pylon ? Would be glad if some one can share there thoughts on this issue...
     
  7. Dinku

    Dinku Regular Member

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    Good China come.

    Good constructing. Chinese worker working hard. Time money to Chinese.

    One time job good people. Not long stay many project, then no good.
     
  8. Armand2REP

    Armand2REP CHINI EXPERT Veteran Member

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    India has to hire Lloyds to check China's work. :laugh:
     
  9. Dinku

    Dinku Regular Member

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    In Africa, Chinese work. No hire Llyods. Work good. Chinese labour and boss bad. Not understand Africa. Chinese God Money. Everything time. Food time, sleep time, work time. No change time. No easy time.

    Like machine doll!
     
    Last edited: Jul 11, 2011
  10. sandeepdg

    sandeepdg Senior Member Senior Member

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    Well, somebody has to check that the quality parameters are adhered to, with the kind incidents that have happened in the not so recent past in some projects in India.
     
  11. satish007

    satish007 Senior Member Senior Member

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    AC grade steel is not for sale in US(best steel is for submarine). few country can proudce. India must have them, but it must be too expensive to use in bridge.
    for pylon steel,DTTC has figured out good idea, get good and reasonable steel from China and get Lloyds to make sure the quality.
     
    Last edited: Jul 11, 2011
  12. satish007

    satish007 Senior Member Senior Member

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    Don't laugh, REP, you have even stayed in China. should know how bad Chinese are. you have to be a good selector to get good goods. Most Indian are gentlemen, they seldom cheat and have not enough experience to deal with tricky Chinese.
     
    Last edited: Jul 11, 2011
  13. agentperry

    agentperry Senior Member Senior Member

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    i would like to contradict you. the international perception is that indians are cheat and chinese are greddy. i hope you are not following the old hindi moie dialogues and screenshots as the info-base
     
  14. satish007

    satish007 Senior Member Senior Member

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    sad, Both of us have so bad behaviour. but at least, my Avator(Sikhs) never cheat, HK banks like to hire them for security, but correct, international think Chinese are greedy, keep want more and more. BTW, when Indian start to cheat? they do not scare have bad lucky next world after dead?
     
  15. amoy

    amoy Senior Member Senior Member

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    I used to think for Chinese firms access was denied to infra projects in India. Anyway labor and 'steel' is excessive in China so going abroad is a good move.
     
  16. Dinku

    Dinku Regular Member

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    China not greedy really.

    They money love, and then more money love.

    working very hard.

    Time important. eat not time, no food. work.
     

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