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Updated: September 3, 2013 00:21 IST

HMR digs up a Nizam-era surprise

V. Geetanath
Comment (3)   ·   print   ·   T  T  

A Metro Rail team came across a storm water drain from the Nizam era, at a depth of 10-feet, while laying the foundation for piers

Metro Rail construction teams are by now used to hitting huge hard rocks, utility pipelines and cables while laying foundations for piers and pillars.

However, they were in for a surprise few days ago when while digging on the Public Gardens – Telugu University line and the M.J. Market stretch, they encountered a decades-old Nizam era storm water drain. The drain, which was 10-feet deep, was not detected during the soil testing phase and came to the fore only when the excavation was taken deep for laying the foundation of the Metro Rail piers.

The storm water drain was functional and water was gushing through it at considerable velocity towards Chaderghat and Musi River. Officials, however, admitted that it was difficult to ascertain the origin of the drain.

“It’s a beautiful construction. Generally, we do not expect any pipeline at such depths. No one knew about it,” said Hyderabad Metro Rail managing director N.V.S. Reddy.

He pointed out that neither the GHMC nor the Water Board (HMWSSB) had any maps or drawings to show the existence of such a drain. The water might be flowing in from near the tracks adjacent to the Nampally railway station, which gets flooded during heavy rain, Mr. Reddy reckons.

The drain was also built in such a manner that the water flow was contained within the series of curves and could have been connected to underground storm drains with links to Lakdikapul and Masab Tank, officials said.

The challenge for the engineers of HMR and the concessionaire L&T Metro Rail Hyderabad (L&TMRH) would be to now build piers foundations in such a manner that they either circumvent the storm water drains altogether, by building an parallel pipeline of three metre-diameter or more.

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That drain is still functional because no one knows it exists..
otherwise our govt would have screwed it up long time ago. Please don't
touch the ones that are functional. Just think about the beauty of
engineering those days. Those are built decades ago and still working,
while what is built these days just clogs down or is not functioning
well.

from:  Kumar
Posted on: Sep 5, 2013 at 13:17 IST

"The challenge for the engineers of HMR and the concessionaire L&T Metro Rail
Hyderabad (L&TMRH) would be to now build piers foundations in such a manner that
they either circumvent the storm water drains altogether, by building an parallel
pipeline of three metre-diameter or more."

Really? Please don't touch a structure that is already working perfectly when you
don't know the orgin of the drain water. You people would just ruin it.

from:  Ajan
Posted on: Sep 3, 2013 at 13:32 IST

Hail the care & technology in those days....these days 90% of the drains are closed due to encroachments by realtors leading to WATER STAGNATION in pearl city.
TOLICHOWKI is another area which frequently suffers from this problem, due to closure of a nala(drain). Govt will do nothing.

from:  Aditya
Posted on: Sep 3, 2013 at 08:21 IST
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