1.

Conveying and laying of 1000mm dia DI Force main from LB Road Pumping station  to Perungudi STP along the western Bank of Buckingam Canal.

CNT/SEW/CCRCPMWB/  1632/05

31.05.05

24.06.05

03.08.05

1) M/s.V.Rangasamy & Co.

Rs 70,39,215.18

(-) 17.68 %

2) M/s Ravi Associates

Rs 65,92,507.32

(-) 22.90 %

3) M/s N.R  & Co

Rs 76,56,445.00

(-) 10.46 %

4) M/sP.Nagadevan  & Co.

Rs 88,92,430.20

(+) 3.99 %

5) M/s..K.K. Kumar Construction

Rs 70,77,195.69

(-) 17.23 %

M/s Ravi Associates

Rs 65,92,507.32

(-) 22.90 %

2.

Providing 250 Nos of Sewer Divers for working in the 161 Depots of CMWSSB for removal of sewer obstructions  in sewer system silt removal from Manholes and allied works for one Year.

CNT/SEW/MWB/              1589 - A / 2005

12.05.05

03.06.05

03.08.05

1) M/s Home Makers Private Ltd,

Rs 1,91,62,500.00

(+) 35.20 %

2) Th. D.Kumar ,

Rs 1,31,64,637.50

(-) 7.11 %

3)Th R.Radha Krishnan,

Rs 1,96,18,750.00

(+) 38.42 %

4) M/s..K.K. Kumar Construction

Rs 1,99,83,750.00

(+) 41.00  %

5)M/s  Sri Rajeswari Constructions,

Rs 2,01,66,250.00

(+) 42.29  %

6) M/sP.Nagadevan  & Co.

Rs 1,83,41,250.00

(+) 29.41 %

Th. D.Kumar ,

Rs 1,31,64,637.50

(-) 7.11

3.

Laying of water mains in Thiru-Vi-Ka Industrial Estate / SIDCO, Guindy, Depot 140, Area - IX.

CNT/WSS/MWB/1626/2005

16.05.05

03.06.05

04.08.05

1) M/s M.Loganathan & Co,

Rs. 6,61,195.00

(-) 23.78 %

2)Th R.N.Pattu Rajan,

Rs4,78,310.25

(-) 44.86 %

3) M/s C.S.Construction

Rs. 5,76,955.88

(-) 33.49 %

4)Th.R.Radhakrishnan Rs6,56,823.75

(-) 24.28 %

5)Th.V.Chokalingam,

Rs. 5,57,828.53

(-) 35.70 %

Th R.N.Pattu Rajan,

Rs4,78,310.25

(-) 44.86 %

4.

Operation and Maintenance of 300 MLD Capacity Water Treatment Plant at Redhills including supply of all chemicals for 3 Years.

- Extension of Contract Period for another two years with effect from 13.8.2005

CNT/WSS/MWB/           1323 -B/2001.

    ---

   ---

12.08.05

M/s VA Tech Wabag Ltd,

Rs. 3,33,57,450.78      for the extended period of 2 Years with effect from 13.8.05

M/s VA Tech Wabag Ltd,

Rs. 3,33,57,450.78      for the extended period of 2 Years with effect from 13.8.05

(including escalation rate of 4 % per Annum instead of 6 % per annum on the originally quoted price).

5.

Supply, Delivery and erection of 30  MT Capacity Electronic weigh bridge with Steel cum RCC Platform @ Kilpauk Water works In    RO - I

CNT/WSS/MWB/1628/2005

18.05.05

15.06.05

16.08.05

1) Th AL. Singaram & Co

Rs  9,77,271.00

Non- Responsive

2)M/s Sebastin & co

Rs. 8,29,523.64

(-) 5.84  %

3) M/s  Giri Brothers private Ltd.

Rs,14,07,247.40

(+) 59.73  %

4) M/s Essae digitronics P Ltd

Rs 4,75,30,268.45

(+) 5295.04  %

M/s Sebastin & co

Rs. 8,29,523.64

(-) 5.84  %

6.

Refurbishment of Magaral and Madhavaram Boosters in RO - II

CNT/WSS/DRO/1638/2005

24.06.05

15.07.05

18.08.05

1)M/s Almech Engg P Ltd,

Rs33,21,625.00

( -)  21.18 %

2) M/s Hydro Electicals Systems,

Rs 38,44,300.00

(-) 8.78 %

3)M/s V.Rangasamy & Co

Rs 38,53,870.00

(-) 8.55 %

M/s Almech Engg P Ltd,

Rs33,21,625.00

( -)  21.18 %

7.

Providing Water supply facilities - Providing distribution system and the public fountains to the proposed TNSCB Tenements @ Semmenchery.

CNT/WSS/DEP/1639/2005

24.06.05

15.07.05

18.08.05

1) M/s Sri Ambal Enterprises,

Rs 25,46,980.54

(-) 25.80 %

2)M/s Sri Rajeswari Constructions,

Rs 24,30,282.54

(-) 29.20 %

3 ) M/s.V.Rangasamy & Co,

Rs 23,61,134.23

(-) 31.22 %

4) M/sC.S.Construction,

Rs 25,46,690.38

(-) 25.81 %

5) V.Chinnadurai & Co

Rs 23,92,668.00

(-) 30.30 %

M/s.V.Rangasamy & Co,

Rs 23,61,134.23

(-) 31.22 %

8.

Supply, delivery and laying of 110 mm dia PVC pipes & Specials, construction of sump, Erection of pump set, and electrical equipments for augmentation of Ground Water from Agricultural wells @ Gandhi Nagar Pullarambakkam.

 CNT/WSS/MWB/1641/2005

07.07.05

29.07.05

18.08.05

1) M/s M.S.Constructions,

Rs 43,96,575.00

(-) 35.08 %

2) M/s SPS Constructions,

Rs 49,11,500.14

(-) 27.48 %

3)M/s Sri Rajeswari Constructions,

Rs 49,01,840.30

(-) 27.62 %

4)M/s Ever Bright Engg Company,

Rs 52,88,255.50

(-) 21.91  %

5)Th D.Kumar

Rs 48,06,922.00

(-) 29.02  %

6) M/s Almech Engg       ( P)Ltd,

Rs 49,66,310.00

(-) 26.67 %

M/s M.S.Constructions,

Rs 43,96,575.00

(-) 35.08 %

9.

Construction Of Office Building Depot 38, at Ekangipuram pumping station Campus in  Area - III

CNT/WSS/MWB/           1605 - A /2005

18.05.05

10.06.05

23.08.05

1) Th P.N.Desikan,

Rs 7,91,151.00

(+) 5.02  %

2) M/s V.Cinnadurai & Co.

Rs 9,38,015.00

(+) 26.24 %

Th P.N.Desikan,

Rs 7,91,151.00

(+) 5.02  %

10.

Providing sewerage facilities - Construction of treated effluent pumping station @ Semmenchery .

CNT/SEW/DEP/1648/2005

13.07.05

05.08.05

24.08.05

1) M/s V.Rangasamy & Co,

Rs 12,72,273.40

(-) 18.08  %

2) M/s  Sri Rajeswari Constructions

Rs 15,14,270.25

(-) 2.50 %

3) M/s Almech Engrs       ( P) Ltd,

Rs 14,04,610.46

(-) 9.56 %

M/s V.Rangasamy & Co,

Rs 12,72,273.40

(-) 18.08  %

11.

Providing sewerage facilities - Laying 250mm dia DI force main from proposed treated  effluent pumping station @ Semmenchery to Buckingam Canal.

CNT/WSS/MWB/1650/2005

13.07.05

05.08.05

30.08.05

1) Th C.Bhasker,

Rs 5,24,924.05

(-) 29.32  %

2) M/s  Sri Rajeswari Constructions

Rs 4,94,018.46

(-) 33.48 %

3) M/s M.Loganathan & Co

Rs 5,79,370.00

(-) 21.99 %

4) M/s V.Rangasamy & Co,

Rs 5,26,319.00

(-) 29.13 %

5) M/s  Sri Ambal Enterprises,

Rs 4,61,279.72

(-) 37.89 %

6) M/s SPS Constructions,

Rs 4,96,270.00

(-) 33.18  %

7) M/s Ever Bright Engg Company,

Rs 7,20,658.00

(-) 2.96 %

8) Th N.Ehirajan

Rs 5,44,845.00

(-) 26.64  %

9) M/s C & T Constructions,

Rs 11,04,030.00

(+) 48.66 %

M/s Sri Ambal Enterprises,

Rs 4,61,279.72

(-) 37.89 %