Advocate Commissioner to take stock of storm water drain construction
Taking cognisance of the manner in which the Integrated Storm Water Drains (ISWD) are being constructed in Chennai, with sewage also being let into it, the Madras High Court has appointed an Advocate Commissioner to inspect the places and submit a report as to whether the constructions was as per the claims made by the Greater Chennai Corporation (GCC).
By : migrator
Update: 2019-10-03 22:38 GMT
Chennai
A division bench comprising Justice S Manikumar and Justice Subramonium Prasad appointed advocate Balan Haridoss as the Advocate Commissioner, directing him to file a preliminary report within one month, specifically pinpointing the places where sewerage/drainage water is let into the storm water drain and file a report to that effect.
The plea is set to be taken up for further hearing on October 18. The bench was passing interim orders on a plea seeking to abstain the Corporation from laying cement over the earth while constructing the drains, as it would not allow rainwater to percolate into the soil.
The bench in its order also recorded the submission of the Superintending Engineer, Storm Water Drain Department, GCC, about the construction of ISWD being carried out for a length of 405 km in Adyar and Cooum basin with funding from World Bank.
The work, which is part of Tamil Nadu Sustainable Urban Development Project, also involves construction of flood protection wall and canal bed-lining for Ambattur SIDCO Canal, Nolambur Canal, Padikuppam Canal and Nandambakkam Canal, for a length of 9.10 km.
The submission also stated that in the construction of ISWD, provision has been made for construction of silt catch pit with rainwater harvesting (RWH) structure, at every 30 metre interval for increasing the recharge of ground water. Further, at 80 locations, RWH wells of 4 feet diameter and 15 feet deep, are provided in the open spaces of the lands available, belonging to GCC. The storm water drain is linked to these RWH wells for collection of rainwater to augment ground water recharge, it added.
Project consultants have made provisions for construction of Canal Bed-lining with wet mix macadam Plain Cement Concrete in the ratio of 1:2:4, and Reinforced Cement Concrete M30 Raft Slab. This will act as foundation for the flood protection, retaining wall on either side of the canal and as canal bed lining to ensure free flow of rainwater, the submission said.
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