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Updated: August 30, 2012 02:35 IST

Rs. 3000-crore stormwater project for new zones

Staff Reporter
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Work on stormwater drains is already in progress in the other seven zones including Anna Nagar. Photo: K. Pichumani
The Hindu Work on stormwater drains is already in progress in the other seven zones including Anna Nagar. Photo: K. Pichumani

1,055 km of drains to be constructed as part of scheme to check water-logging; project report by September 20

The Chennai Corporation is likely to construct a stormwater drain network, totalling nearly 1,055 km, in the eight added zones as part of the measures to prevent water-logging.

The network, which will be constructed at an estimated cost of Rs. 3000 crore, will cover four basins of Kosasthalaiyar, Adyar, Cooum and Kovalam. Kosasthalaiyar basin will be divided into watersheds covering zones such as Tiruvottiyur, Manali, Madhavaram and parts of Ambattur. Adyar basin will cover zones of Valasaravakkam and Alandur. Stormwater drain network in watersheds of Cooum basin will prevent water logging in parts of Ambattur zone and Valasaravakkam. New stormwater drain proposals in Kovalam basin will benefit Sholinganallur and Perungudi zones.

The consultant has completed work on final draft of the detailed project report. The civic body has asked residents’ associations of the eight added zones to suggest measures towards any changes in the draft. After taking the suggestions of residents into consideration, the civic body is likely to finalise the detailed project report by September 20. The consultant made a presentation on the project in the presence of senior officials and residents of Chennai Corporation on Tuesday. The list of water-logged stretches in the zones to be covered under the project will be finalised in a few days based on the suggestions.

The government will make a decision pertaining to funding options soon. Areas with severe water-logging are likely to receive priority in implementation of the project.

Construction of many stretches of the 505-km stormwater drains under Jawaharlal Nehru National Urban Renewal Mission (JNNURM) is under way in remaining seven zones of Tondiarpet, Royapuram, Thiru-Vi-Ka-Nagar, Anna Nagar, Teynampet, Kodambakkam and Adyar.

According to a study by the civic body, a chunk of the 2,752-km roads in the newly-added zones have water logging as the existing stormwater drains cover a length of 682.4 km only. The proposed design of new drains in the merged areas will integrate the existing drains.

Among the eight zones, Ambattur has the largest network of stormwater drains with a total length of 177.95 km. Zones such as Tiruvottiyur have very poor stormwater drain network.

Many of the erstwhile town panchayats such as Sholinganallur, Injambakkam, Semmencheri and Uthandi, which have been merged with the Chennai Corporation, had constructed not more than one km of stormwater drain before the merger.

The civic body will focus more on such areas.

Areas covered by erstwhile panchayats such as Neelangarai, Okkiyam Thoraipakkam, Sadayankuppam, Kadapakkam, Theeyamabkkam, Vadaperumbakkam, Surapattu, Kathirvadu and Puthagaram continue to have undeveloped stormwater network even after the merger.

The civic body is likely to use precast technology for the drain project.

More In: Chennai

I hope these trenches doesn't become a waste disposal pit! Would really love to see what
plan is in store to mitigate such problems.

If the planning is done well and executed well the this is certainly a welcome relief to
Chennaites.

from:  Sundeep
Posted on: Aug 30, 2012 at 13:50 IST

It is important to allocate funds under JNNURM scheme for maintanance of drains(de-silting, removing rubbish,etc.) once the project is completed(?). One who visits Coimbatore can observe this throughout the city. In some areas storm drains are used as open sewage gutters.

from:  vijayaraghavan
Posted on: Aug 30, 2012 at 10:29 IST

Why are we not using pre cast concrete U shaped ducts for laying the drain? it is faster and the material quality can be monitored before laying. With out an integrated plan for rubbish removal these drians will become the dumping ground for people. Then it is stagnant water mosquito breeding back to square one.

from:  Ayyappa
Posted on: Aug 30, 2012 at 10:26 IST

First Let the Chennai Corporation provides a road, sewage , dringing water etc these are needed on daily basics , the strom water drain needed once in a year whae it rains

I live in Ramapuram which is one of the newly added area to coropration and they have hiked the property taxes double , but no road, no water in daily basics & no sweage and the local councilar is telling your nagar people have not voted for me

from:  Gopinathan
Posted on: Aug 30, 2012 at 08:35 IST
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