Tamil Nadu Water Investment Company Limited

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Urban water supply, Industrial water and Sewerage projects

India's future growth is clearly pegged to the quality life in the urban areas. Today there is a growing need for development and revamping of urban water supply and sewerage systems. Principally, the focus would be to reduce the inefficiencies (both technical and managerial), thereby bringing the high quality service at an optimal cost to the consumer. The project will provide increased coverage and improved delivery of water supply and sewerage services to the urban areas.

Projects Handled by TWIC:

1. Tirupur water Supply and Sewerage Project, Tirupur

2. Master Plan for Provision of Storm water Drainage for the city of Pune

Client: Pune Municipal Corporation (PMC)

TWIC has engaged as consultant by Pune Municipal Corporation to review the Storm water Master Plan for the city of Pune. This assignments includes,

  • Examining the Draft Master Plan for further improvement
  • Final Review of the Master Plan to ensure that all comments are incorporated in the Final Document
  • Designing of Storm water Drains – Hydraulic and Structural
  • Compilation of Detailed Project Report including Project Management framework
  • Prioritization of works to be taken for execution

The area coverage for the design of the Storm Water Drain is 243.50sq.km and the cost of the Project is INR 4998.6 million

3. Water supply and Waste Water Management Project at Nanded, Maharashtra

4. Dedicated Water Supply in Coimbatore

Client: Coimbatore city Municipal Corporation, Coimbatore

Corporation of Coimbatore has decided to set dedicated water supply scheme with pillar reservoir as a source. Most reliable source of water supply – i.e. Pillur Reservoir water is considered for this project; so as to ensure long term sustainability of the scheme for the design period. The water supply at the rate of 135 litres / capita / day has been considered for this project.

TWIC has been appointed for preparation of Bid documents and Evaluation of Technical bids for the work of Dedicated Water Supply Scheme, Pillur Phase II, taken up under JNNURM Scheme by the Coimbatore city Municipal Corporation, Coimbatore.

Salient Features

  • Ultimate population in the year 2036 – 16.44 Lakhs
  • Cost of installation : INR 1130.7 Million
  • Annual maintenance : INR 110.8 Million

The area coverage for the design of the Storm Water Drain is 243.50sq.km and the cost of the Project is INR 4998.6 million

Details of the Project

  • Raw water conveying main from existing Tunnel exit to Treatment Plant
  • 125 MLD Water Treatment Plant at Velliankadu
  • Conveying Pumping main for clear water from Treatment plant to existing Kattan Hill Tunnel
  • Gravity main for clear water from Kattan Hill Tunnel exit to MSR at Ramakrishnapuram
  • 30 Lakhs litre capacity Clear water Master Service Reservoir at Ramakrishnapuram

5. Underground Sewerage Scheme – Sewage Treatment Plant, Corporation of Madurai

5. Underground Sewerage Scheme – Sewage Treatment Plant, Corporation of Madurai

Client: Madurai City Municipal Corporation

TWIC has done the evaluation of bid documents (Technical Proposal & Financial Proposal) for construction of Sewage Treatment Plant of 125MLD and 45.7MLD with a new technology Cyclic Activated Sludge Process for Madurai City

Project Cost: INR 3600 Million

6. Underground Sewerage Scheme – Collection System, Corporation of Madurai

6. Underground Sewerage Scheme – Collection System, Corporation of Madurai

Client: Madurai City Municipal Corporation

TWIC has done the evaluation of bid documents (Technical Proposal & Financial Proposal) for collection system of Underground Sewerage Scheme, Corporation of Madurai

Project Cost: INR 1200 Million

7. Construction of Water Treatment Plant, Corporation of Madurai

7. Construction of Water Treatment Plant, Corporation of Madurai

Client: Madurai City Municipal Corporation

Corporation of Madurai proposed to upgrade the existing Water Treatment Plant from 71.6MLD to 118.6 MLD for Madurai City.

TWIC was mandated for Supervisory Consultancy Assignment for quality control and technical assistance in the installation of Tube Settlers and Dual Media Filters for enhancing the capacity of Water Treatment Plant from 71.6 MLD to 118.6 MLD at Pannaipatty for Madurai water supply.

Project Cost: INR 300 Million

8. Dedicated Water Supply Scheme to Salem Corporation

8. Dedicated Water Supply Scheme to Salem Corporation

Client: Commissioner of Municipal Administration, Salem

TWIC has done the Detailed Project Report and Preparation of Tender document containing design basis, technical specifications, and bill of quantities, commercial terms and conditions.
Capacity of the Plant: 200MLD for the ultimate year 2040

Project Cost: INR 2830 Million

The Project Components are:

  • River Water Intake
  • WTP 155 MLD expandable to 200 MLD
  • Clear Water pumping main – 1300 mm MS 14000 m and
  • Pumping Stations – 3 Nos
  • Feeder main feeding to 56 reseviors – 1100 to 150 mm 64000 m
  • New service reservoirs – 21 Nos
  • Rehabilitation of existing distribution system

9. Combined Water Supply Improvement Scheme to Vellore Corporation

9. Combined Water Supply Improvement Scheme to Vellore Corporation

Client: Tamilnadu Urban Infrastructure Financial Services Limited

To Review the DPR prepared by TWAD Board, TWIC was a consultant for Proof Checking and Vet the cost estimate of the project.

Detail of the Project:

270 MLD Combined Water Supply Scheme for Vellore Corporation, 7 Municipalities, 5 Town Panchayats, and 64 Rural Habitations in Vellore district with River Cauvery as a source

Project Cost: INR 18000 Million

10. Construction of Sewage Treatment Plant to Salem Corporation, Salem

10. Construction of Sewage Treatment Plant to Salem Corporation, Salem

Client: Tamilnadu Urban Infrastructure Financial Services Limited

TWIC has done the evaluation of bid documents (Technical Proposal &qmp; Financial Proposal) for Salem Corporation to construct three numbers Sewage Treatment Plant (STP) of capacity 6 MLD, 13 MLD and 44 MLD

Project Cost: INR 450 Million

11. Water Supply to Nelliyalam, Municipality of Nelliyalam

11. Water Supply to Nelliyalam, Municipality of Nelliyalam

Client: Tamilnadu Urban Infrastructure Financial Services Limited

TWIC has prepared a justified long term investment plan to improve the existing water supply system expansion of water supply system to distribute equitable water supply in the each part of the city including preparation of rezoning distribution maps, detailed project reports and bid documents for Nelliyalam Municipality.

Project Cost: INR 150 Million

12. Alandur under Ground Sewerage Scheme

12. Alandur under Ground Sewerage Scheme

Client: Alandur Municipal Corporation, Alandur

TWIC was transaction adviser for selection & Operation including Preparation of Bid documents and evaluation for the Under Ground Sewer Collection System to Alandur Municipality.

Project Cost: INR 30 Million

13. Dedicated Water Supply Scheme to Erode Corporation

13. Dedicated Water Supply Scheme to Erode Corporation

Client: Commissioner of Municipal Administration, Govt of Tamilnadu

Preparation of Detailed Project Report for dedicated water supply scheme of capacity 160 MLD to Erode Municipal Corporation

The Project Components are:

  • River Water Intake
  • WTP 160 MLD
  • Clear Water pumping main
  • Pumping Stations
  • Feeder mains
  • New service reservoirs
  • Rehabilitation of existing distribution system

Project Cost: INR 1500 Million

14. Combined Water Supply Improvement Scheme to Mellur, Thirumangalam Municipalities and other Local Bodies

14. Combined Water Supply Improvement Scheme to Mellur, Thirumangalam Municipalities and other Local Bodies

Client: Tamilnadu Urban Infrastructure Financial Services Limited

To Review the DPR prepared by TWAD, TWIC was a consultant for Proof Checking and Vet the cost estimate of the project.

Detail of the Project:

84 MLD Combined Water Supply Scheme for Melur and other 2 Municipalities, 6 Town Panchayats, and 1430 Rural Habitations in Madurai district with and Singampunari Town Panchayat in Sivaganga District

Project Cost: INR 7840 Million

15. Combined Water Supply Improvement Scheme to Attur other Narasingapuram Union

15. Combined Water Supply Improvement Scheme to Attur other Narasingapuram Union

Client: Tamilnadu Urban Infrastructure Financial Services Limited

To Review the DPR prepared by TWAD, TWIC was a consultant for Proof Checking and Vet the cost estimate of the project.

Detail of the Project:

Combined Water Supply Scheme to Attur and Narasingapuram Municipalities, 20 Town Panchayats, and 1345 Rural Habitations in 12 units of Salem District.

Project Cost: INR 2400 Million

16. Hogenekkal Water Supply and Fluorisis Mitigation Project in Dharmapuri and Krishnagiri District.

16. Hogenekkal Water Supply and Fluorisis Mitigation Project in Dharmapuri and Krishnagiri District.

Client: Tamilnadu Urban Infrastructure Financial Services Limited

To Review the DPR prepared by TWAD, TWIC was a consultant for Proof Checking and Vet the cost estimate of the project.

Detail of the Project:

DPR for HWSFMP includes Dharmapuri & Krishnagiri Districts covering 3 Municipalities, 17 Town Panchayats, and Rural Habitations in 18 Panchayat Unions in both the Towns

Project Cost: INR 19000 Million

17. Preparation of DPR for water supply Improvement in distribution system for 26 Municipalities.

18. Alternative Water Supply to SIPCOT Industrial Park, Sriperumbudur & Irungattukottai

18. Alternative Water Supply to SIPCOT Industrial Park, Sriperumbudur & Irungattukottai

SIPCOT is a Government of Tamilnadu enterprise, responsible for development of industrial infrastructure in Tamilnadu. Sriperumbudur and Irungattukottai are two of the main industrial hubs, located approx. 30km west of Chennai. There is no organized water supply to industries located in this region. SIPCOT depends on water from the Chembarambakkam lake, which in turn is monsoon fed/inflows from Andhra Pradesh. In order to ensure reliable and quality supply to industries an alternate program was required to be implemented.

The project proposed to use treated sewage water available at Koyembedu Sewage Treatment Plant as the source. The scope of work includes tertiary treatment, RO plant of capacity of 10 MLD at Koyembedu STP with a provision for modular expansion to 20 MLD. Pipeline of 20 MLD for transmission from the plant to the existing SIPCOT reservoir at Chembarambakkam for onward distribution to the industries was also envisaged. The estimated project cost was INR 100O Million.

TWIC was engaged by SIPCOT to undertake the following:

  • Preparation of Technical feasibility
  • Pilot testing/technology assessment
  • Submission of preliminary technical and feasibility report

19. Desalination

19. Desalination

1. Chennai Desalination Project

Chennai city with a population of 75 Lakhs has water demand of approximately 1500 MLD. Chennai is dependent on rainwater and surface water resources to meet this demand. In order to supplement the available resources, Government of Tamil Nadu in the year 2004 decided to implement a mega water project based on desalination. The capacity of the desalination project was envisaged at 300 MLD along with associated piping of 50km and a power project of 100 MW

TWIC was engaged by Government of Tamil Nadu to carry out the pre-feasibility study of the project. TWIC developed and prepared the report, which addressed the following issues:

  • Selection of project sites
  • Technology assessment
  • Preliminary technical and commercial evaluation.

These reports formed the basis for implementation of the desalination projects in Chennai

2. Development of Captive Desalination and Power Plant

Client: Infrastructure Leasing & Financial Services Limited (IL&FS)

IL&FS engaged the services of TWIC to undertake the following:

  • Development of the concept
  • Site survey and feasibility
  • Technology assessment
  • Technical & commercial feasibility
  • Development of contractual documentation to facilitate financing

The final report was submitted and approved by Tata Steel. Since the main project is getting delayed, implementation of the desalination and power project would be taken up once approval is obtained by Tata Steel.

20. International Projects

20. International Projects

1. Technical services to IL&FS for an opportunity to acquire a controlling equity stake in Maynilad Water Services Inc, Philippines

Client: Infrastructure Leasing & Financial Services Limited (IL&FS)

TWIC has been associated with due diligence of a major water supply project in Manila. TWIC provided technical services to IL&FS for an opportunity to acquire a controlling equity stake in Maynilad Water Services Inc, which operates a 2000 MLD water treatment and distribution system in Manila West, Philippines.

A Consortium led by IL&FS was one of the four international consortia qualified to bid for the controlling equity stake. TWIC as part of the consortia carried out extensive technical, financial and legal due diligence on the exercise. Outputs were shared through cross functional team reviews and the key outputs were as under:

  • Focus on physical loss reduction (high physical losses in the existing system)
  • Capital expenditure program to achieve service levels and physical loss reduction
  • Program Management (automation, project management)
  • De-bottlenecking and Streamlining the Existing System
  • Commercial loss reduction (focus on reducing errors and losses and on new technology in metering and collection)
  • Large Account Focus (50% of the revenues were from commercial and industrial consumers)

2. Technical and commercial due diligence services for Water & Wastewater Treatment to China Water Holdings Pvt Ltd, China

Client: Standard Charted IL & FS Asia Infrastructure Growth Fund Company Pvt Ltd

TWIC was associated with Standard Charted IL&FS Asia Infrastructure to provide Technical Due Diligence (TDD) services for the potential acquisition of 12 Wastewater Treatment Plants (WWTPs) and 2 Water Treatment Plants (WTPs) in China
 
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