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Experts suggest Vrishabhavathi Valley remodelling

Staff Reporter

Several bottlenecks identified in major drain


  • Points prone to inundation specified
  • Drain has to be widened at these spots
  • New retaining walls have to be built
  • Shifting of water supply and drainage lines suggested

    BANGALORE: Following the Chief Minister, N. Dharam Singh's direction to start work on remodelling the Vrishabhavathi Valley at the earliest, the project consultants made a presentation of the detailed project report at the Bangalore Mahanagara Palike (BMP) head office on Thursday.

    Stup Consultants has been entrusted with the task of preparing a detailed project report and feasibility report, evaluating tenders and supervising work on remodelling all the four major valleys — Koramangala, Challaghatta, Hebbal and Vrishabhavathi, which are natural conduits for rainwater.

    As per the presentation, several bottlenecks have been identified all along the Vrishabhavathi Valley. The valley, which goes through several city wards, steeply narrows down in some places making the major storm water drain inadequate to carry the huge quantum of water flowing right from Sankey Tank.

    Giving details of the presentation, the BMP Engineer-in-Chief, Ramegowda, told The Hindu on Thursday that the consultants have identified "multiple-span culverts" in several spots. "These supporting pillars obstruct the flow of water. The consultants have suggested remodelling of the entire drain network," he said.

    While suggesting that such obstructions should be cleared, the consultants have also pointed out that utilities such as water supply and underground drainage lines should be shifted, Mr. Ramegowda said.

    The consultants have identified vulnerable points, prone to inundation, all along the valley. These include Shankrappa Garden, Gubbanna Industrial Layout, Prakashnagar, Bapujinagar, Srinagar and Padmanabhanagar. They have suggested that the drain should be widened in these areas and new retaining walls built.

    Although the BMP invited tenders in April for all the five packages of remodelling the Vrishabhavathi valley, only three packages have been finalised because there is no response for the other two, Mr. Ramegowda said.

    Tenders for packages

    Pointing out that re-tenders for these packages will be invited soon, he said the lowest bidders for these three packages had been short-listed (National Project Construction Corporation for the first two packages and East Coast Construction Company for the third one) and sent to the Standing Committee.

    Approval

    "Once the committee approves it, the tenders will have to be approved by the BMP Council and the State Government. All this will take over two months and we will start work soon after," he said and added that work could be carried out even during rains. The Deputy Mayor, N. Shantakumari; the BMP Commissioner, K. Jothiramalingam; the Rajajinagar MLA, N.L. Narendra Babu; and corporators representing areas through which the valley flows attended the presentation.

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