UNDERGROUND DRAINAGE SCHEME



UNDER GROUND SEWERAGE SCHEME TO NAGERCOIL  MUNICIPALITY

Nagercoil  is a special  grade Municipality.   The Area of the town is 49.10 Sq.Km. Population of Nagercoil Municipality as per 2001 Census is 208149.

To provide UGSS to Nagercoil  Municipality, Administrative approval  was accorded vide G.O.M.S. No. 37/MAWS(MA3) Dept./dt. 30-3-2012  for Rs.7604.00 lakhs to install and  Rs.190.00  lakhs to maintain annually.

Nagercoil Municipality consists of 52wards. At present 35 wards are covered as Phase I, of which 18 wards are covered fully and 17 wards covered partially.  The Scheme is designed for the base year (2015) population of  127977 with an  intermediate  and Ultimate year of 2030 and 2045 with population as 153571 and 181399 respectively.

The Sewage Contribution is adopted as 115 lpcd.  The Sewage generated is 17.66 mld and 20.86 mld respectively for intermediate and ultimate stages.

The town is divided in to 9 Zones based on the topography of the  area .  It is proposed to implement sewage scheme  to the zone II which is the  core area of the Municipality.  The  Sewage  is to be Collected from all the streets by sewer lines of pipes ranging from 150 mm to 800 mm (SW/RCC) to a  total length of 118866 m with 4794 no. of Manholes,  and 1 no. of pumping station .

The Sewage is to be collected at Sewage Treatment Plant (EASP  technology) located at Valampurivilai in SF No. M7/9-2.. The Sewage Treatment Plant is designed for the Intermediate  stage i.e 17.66 mld. Total No. of HSC to be given is 21974.   The  date of commencement of work is 23-01-2013 and the  work is in progress.  The expected date of completion is 1/2015.

 

Underground Sewerage Schemes  :                                

Sl. No.

Name of scheme

Estimate cost  (Rupees in lakh)

Present stage

Probable date of completion

1.

UGSS to Nagercoil  Municipality in Kanyakumari District

7604

Collection system—16% of works completed

Sewage treatment plant – work to be started.

A petitioner has filed two applications before the National Green Tribunal , Southern  Zone ,Chennai to shift the sewage pumping station and sewage Treatment plant. National Green Tribunal Southern Zone ,Chennai ordered  to maintain status Quo and also directed the Executive Engineer to appear before the court on   12-08-2013.

The Executive Engineer, TWAD attended the tribunal on 12.8.2013 and explained the scheme details. The case was adjourned to 22.8.2013.

The Executive Engineer, TWAD attended the tribunal on 22.8.2013 and the case was adjourned to 16.9.2013.

Hearing held on 16.9.2013.

• Gist of interim instructions :

Ø All works (Collection System and STP) are to be stopped.

Ø Open trenches and partial Man holes are to be completed within 2 weeks.

Ø Clearance from State Environmental Impact Assessment Authority to be obtained before resumption.

• The case adjourned to 7.10.2013.                                     Action being taken to get the  Environmental clearance from SEIAA.

22.1.2015