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MAINTENANCE SCHEMES

 Operation and Maintenance of CWSS:

As per GO MS No 84 / MA &WS dt.10.03.94 the Combined Water Supply Schemes (CWSS) implemented in Tamil Nadu covering more than one Local Body are being maintained by TWAD Board.

Schemes under Maintenance of TWAD Board:

Number of Schemes under maintenance.  547 
Beneficiaries (Civic status-wise) 
Corporation Municipalities Town Panchayats Rural Habitations Industries / Commercial Organisations; Population
8 69 330 46501 532 42013947

 Maintenance pattern:

The schemes are maintained by 30 Divisions of TWAD Board spread over all districts of Tamil Nadu. TWAD Board maintains the infrastructure of Head Works ,Pumping Stations and Pumping Mains upto delivery of water to the Over Head Tanks of the Beneficiaries. Maintenance of Over Head Tanks and the local distribution system is taken care by the Local Body. The operating staff are engaged as per the norms fixed by the Board vide BP no 45 dt 29.05.2007. As ordered in the GO (D) NO:455 MA&WS (WS1) Department dt 05.11.2006 , TWAD Board has placed all the Maintenance Divisions and Sub-Divisions incharge of maintaining the CWSS under the Direct Administrative control of the respective District Collectors, retaining the technical control with TWAD Board.

Annual Maintenance Estimate is prepared and sanctioned every year. The major heads of these estimates are Salary of Operating & Supervisory staff, Electrical Energy cost and Royalty charges to other Departments, if applicable. Other minor heads are repairs & renewals, vehicle propulsion charges, cost of chemicals and Telephone charges.

The maintenance expenditure for these CWSS is met out from the water charges collected at a rate of Rs. 4.50 per kilo litre for Municipalities and erstwhile Urban Town Panchayats (now Town Panchayats) and at Rs. 3.00 per kilo litre for Village Panchayats and erstwhile Rural Town Panchayats (now Town Panchayats) fixed by the Government vide GO MS no 136 / MA & WS (WS4) Dept dt 03.10.2002. The tariff for Industries/Commercial Institutions vary from Rs10/KL to Rs.60/KL depending on the category of the beneficiary unit as per BP MsNo.115 dt 20.12.2006. These are subject to revision time to time.The proposal for revision of tariff structure is under consideration in Government.

 TARIFF STRUCTURE:

(As per GO (MS) No. 338 MA&WS (WS4)Department dt 18.10.2004.)

 For Rural Local Bodies : Rs. 3.00 / KL
 For Urban Local Bodies : Rs. 4.50 / KL
 For Industries / Commercial Organisations who have paid proportionate cost of CWSS : Rs. 15.00 / KL

(As per BP 115 dt 20.12.2006)

For Industries /Commercial Organisations who have NOT paid proportionate cost of CWSS

 Industries / Commercial Organisations : Rs. 60.00 /KL
 Hospitals : Rs. 50.00 / KL
 Educational Institutions : Rs. 30.00 / KL
 Orphanage & Homes : Rs 10.00 KL
DISTRICT WISE DETAILS OF CWSS MAINTAINED BY TWAD BOARD 
Sl.No. Name of District No.of CWSS Designed Qty in MLD Corporation Municipalities TP Rural Habns Private Beneficiaries Total No.of beneficiaries Population benefited
  CHIEF ENGINEER/VELLORE
1 Kanchipuram 19 29.53 0 3 5 163 14 185 846338
2 Tiruvallur 9 7.85 0 2 0 168 1 171 201933
3 Vellore 16 140.47 1 11 6 1111 1 1130 2129682
4 TVMalai 27 27.64 0 0 6 822 2 846 644341
5 Cuddalore 13 9.37 0 1 2 301 0 304 202987
6 Villupuram 7 16.09 0 1 4 155 0 160 563367
7 Dharmapuri 8 60.76 0 1 10 3567 1 3579 1729526
8 Krishnagiri 18 77.72 0 2 7 5109 4 5122 2026730
  TOTAL (NR) 117 369.43 1 21 40 11396 23 11481 8344904
  CHIEF ENGINEER/THANJAVUR
9 Trichy 26 110.81 1 3 9 1968 29 2010 1909285
10 Perambalur 5 13.20 0 1 1 316 1 319 331215
11 Ariyalur 7 25.13 0 1 1 954 0 956 718060
12 Pudukkottai 46 36.15 0 2 4 1348 6 1360 746292
13 Thanjavur 7 17.78 0 0 5 533 1 539 376034
14 Tiruvarur 4 19.56 0 2 1 401 0 404 407966
15 Nagapattinam 12 51.84 0 2 5 1548 7 1562 1177164
  TOTAL (ER) 107 274.47 1 11 26 7068 44 7150 5666016
  CHIEF ENGINEER/COIMBATORE
16 Coimbatore 9 285.90 1 0 34 1236 221 1492 4917456
17 Tiruppur 15 118.17 1 6 16 2610 6 2639 2055563
18 Salem 10 178.840 0 3 32 4490 15 4540 33,82,637
19 Erode 40 103.03 1 0 35 2692 35 2763 2096522
20 Karur 13 30.18 0 0 2 1444 2 1448 590843
21 Nilgris 1 1.774 0 0 0 114 0 114 39441
22 Namakkal 12 73.14 0 3 13 2277 17 2310 1546477
  TOTAL (WR) 100 791.03 3 12 130 14863 296 15306 14628939
  CHIEF ENGINEER/MADURAI
23 Madurai 8 69.26 1 3 8 2151 7 2170 1856496
24 Theni 24 49.58 0 2 12 345 5 364 834197
25 Dindigul 31 38.39 1 1 8 949 2 961 976986
26 Sivagangai 33 21.93 0 1 4 1154 2 1161 546020
27 Ramnad 51 78.577 0 4 7 3323 13 3347 1883883
28 Virudunagar 14 57.44 0 6 9 1388 1 1404 1524332
29 Thoothukudi 24 137.520 1 2 13 1390 131 1537 1386159
30 Tirunelveli 26 118.48 0 5 29 1939 8 1981 2848526
31 Kanyakumari 12 55.330 0 1 42 535 0 578 1517486
  TOTAL (SR) 223 626.5068 3 25 132 13174 169 13503 13374088
  GRANDTOTAL 547 2061.4398 8 69 330 46501 532 47440 42013947
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