THOOTHUKUDI CITY MUNICIPAL CORPORATION

DEVELOPMENT OF 24MLD WASTE WATER TREATMENT PLANT THROUGH

PPP ON DBFOT BASISCommissioner ,Thoothukudi City Municipal

CorporationDate: 7th March, 2014

TUTIC

ORIN

MAP OF TAMILNADU

TUTICORIN

Located in the extreme south-eastern corner of Tamil nadu and is a port city.

Port is the second largest in Tamilnadu and is strategically located in the East-West trade route .

Fastest growing Industrial town in India.

Commercial hub for industrial import and export.

PROFILE OF THE CITY

Upgraded as Corporation on 05-08-2008

Total area of Corporation is 90.66 Sq km

Population of the City as per 2011 Census is – 376439

24 MLD Waste Water Treatment Plant through PPP on DBFOT Basis at Thoothukudi,

Tamil Nadu.

5

PROJECT

PROJECT BACKGROUND

TMC is responsible for collection,

treatment and disposal of waste water for

the city.

At present facilities for water treatment is

almost non existent.

TMC decided to develop best in class STP.

contd….Main objective was to re use treated waste

water.

TMC approached Commissionerate of Municipal Administration(CMA) to help them undertake the project.

CMA through a Transaction Advisor (CRISIL Risk and Infrastructure Solution Ltd) structured this WWTP on DBFOT basis.

SALIENT FEATURES OF PROJECT

Concession period of 30 years (including 2

years of construction) to the developer.

TMC to provide land for construction and

supply sewage free of cost at the inlet .

No technology specifications included for

sewage treatment.

Developer would be free to sell the treated

water to industrial units with a tariff structure

of his choice during concession period.

Bidding parameter was fixed as Grant quoted

for the project.

Unique project of converting waste toasset.

No cash out flow from the Corporationkitty for Capex and Opex.

PROJECT FEASIBILITY

Ground water is saline within the city limits.

Drinking water supplied to the city from perennial river source located 40kms away.

Industries purchase water from private suppliers at Rs. 65-70/ KL.

Demand for industrial use of water is high.

Major Companies in Thoothukudi

Type of Industries

Tuticorin Thermal Power Station

Thermal Power plant

Southern Petrochemical Industries Corporation Ltd (SPIC)

Fertilizers and chemical

Sterile Industries Copper

Dharangadhara Chemicals Chemicals

Tuticorin Alkali Chemicals Chemicals

INDUSTRIAL PROFILE

Major Companies in Thoothukudi

Type of Industries

Madura Coats Cotton Yarn and Thread

Heavy Water Plant Heavy Water

Indh Bharat Thermal Power Plant

SIPCOT – Phase I 67 Various Industries

Date of sanction by Tamil Nadu -

GOMS No 47 Dated 20.03.2013

Name of the successful bidder -OEG & WABAG

Funding Pattern - DBFOT system

PROJECT STATUS

Signing of Main Concession Agreement -02-08-013

Project completion within 30 months -02-02-2016

Project Work commenced on –24-02-2014

DESIGN BASISINLET RAW SEWAGE AND OUTLET QUALITY

Sl.No Parameter Unit Raw sewage Treated

Wastewater

For reuse

1 Flow MLD 6

2 pH 6 – 7.5 6-8

3 BOD mg/l 180 – 300 -

4 COD mg/l 385 - 600 -

5 TSS mg/l 250 -

6 TDS mg/l 1626 < 100

7 Total Coliform Nos/100 ml 7000-10000 -

8 Total Phosphorus mg/l 8 -

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Project Title Waste Water Treatment Plant of 24 MLD capacity through PPP on DBFOT Basis

Client Thoothukudi City Municipal Corporation

Location Thoothukudi, Tamil Nadu

Contractor VA Tech Wabag Limited, India ; Operational Energy Group Pvt Ltd & South Ganga Waters Pvt Ltd.(Consortium)

Source of Fund Consortium

Date of Letter Of Acceptance (LOA) 19th June 2013

Construction Period 2 years

Operation & Maintenance period 28 years

Unique Proposition Negative Bid Grant of INR 1 MIO

PROJECT SUMMARY

Based on raw sewage characteristics and the demand matrix of local users

Advance Technology of involving MBR+RO systems selected as viable option

TECHNOLOGY

RO FEED TANK

TREATED WATER

FOR REUSE

PARSHA

LL

FLUME

CARTRIDGE

FILTER

RO

MEMBRANE

PERMEATE

STORAGE

TANK

CENTRIFUGE

SOLID CAKE/

BIO MANURE

FINE SCREEN

CHANNELDETRITOR MBR FINE

SCREEN

MEMBRANE

BIO

REACTOR

RAW

SEWAGE

SUMP

Chlorination

(Hypo)

PROCESS FLOW DIAGRAM

• MBR - Advance technology with less footprint

• MBR - High quality of treated wastewater

• MBR - Less manpower

WHY MBR AS A CHOSEN TECHNOLOGY

Chennai Municipal Administration

Thoothukudi City Municipal Corporation

SUCESSFUL BIDDER(WABAG & OEG Joint Venture)

WWTP

Product Water

Reject

Industries

Disposed meeting TNPCB

Norms

CRISIL (Advisory Member)

One Time 1MIO INR Negative grant in lieu of sewage

Payments By Industries

Build, Operate& MaintainAt Bidder’s Cost

Sell

Sewage

Water Reclamation

Plant

Business Flow

Currently Plant to be setup for 6 MLD in line with supply of sewage .

Provision to scale up capacity to 24 MLD

Sewage promised by TCMC.November -2015 (Year 1) 5 MLDNovember -2016 (Year 2) 5 MLDNovember -2017 (Year 3) 6 MLDNovember -2018 (Year 4 Onwards) 23.85 MLD

PHASING OF 6 MLD TO 24 MLD

CONCLUSION

Untreated sewage will not be disposed in to the sea.

Water pollution resulting from untreated sewage disposal will be controlled.

Industries will have access to reliable alternate source of water.

CONCLUSION