CNT/WSS/NCB/MWB/3433/2021-22

Amount

Bill.No.I. Operation and maintenance of Raw water pump house (LT/HT) at Sethiathope, Intake tower in Veeranam Lake, all installations and allied equipments to pump 190 MLD of Raw water from Veeranam lake to Water treatment plant at Vadakuthu, DG Set, Inspection Bungalow and staff quarters & Water treatment plant, Treated water pump house (LT/HT), DG set, all installations and allied equipments at Vadakuthu to deliver 180 MLD of treated water to Chennai city, Guest house, Bore wells located inside the plant and staff quarters & Borewells located between Gadilam and Paravanar rivers, Pump houses at NLC and Paravanar river by providing required numbers of qualified and experienced engineers for operation and maintenance of equipments and instrumentation and experienced and skilled personnels to carry out O & M works (Annexure I) including preventive maintenance works and minor repair works (Annexure II) and all insurance for the workmen as per the labour act and for machinery and Garden maintenance and its allied works etc.complete for five years.

1 st year

2 nd year

3 rd year

4 th year

5 th year

Bill.No.IA Supply, Delivery and replacement of spares for Raw Water Pump Houses at Sethiathope, Paravanar & NLC for five years.

a)SPARES FOR RAW WATER PUMP HOUSE & D.G.SET(1010KVA) at SETHIATHOPE

Motor bearing NDE 7320

Motor bearing DE NU 226

Pump bearing 7220 DE

TBH bearing 32017 SKF (TOP)

TBH bearing 6017 (BOTTOM) SKF

Generator differential relay

DG Panel‐Reverse power relay IRP1

DG Panel‐Under voltage relay

DG panel - Over voltage relay

DG Panel‐30/C+1 1E/F relay

DG Panel - Earth fault relay

Sensitive earth fault relay

Master trip relay

Start up battery for DG set 12 V 200 AH

B,C & D checks for 1500 KVA DG set

Master top relay

Motor protection relay

U/O Voltage relay

Neutral displacement relay

30/C + 1 E/F relay

E/F relay

Instantaneous E/F relay

CI DF sluice valve electrically operated 600 mm

CI DF non- return valve swing check type 600 mm

Micro controller based flow totaliser - cum- Flow indicator

Lightening arrestor 30 KV - 10 KV Class - II - Lampo

Vaccum contactor for 3.3 KV VCB

HT fuse for vaccum contactor

3.3 KV PT fuse

Vaccum contactor for FCMA soft starter LSC1-320-25 m

Auxillary contactors

Economy resistors

Timers

96 KVAR 3.3 KV capacitor (HT)

50 KVAR Capacitor (LT)

33 KV VCB, 630 A

3.3 KV, 800 A VCB for Capacitor Bank

Liquid Level Switch

Level Transmitter

Electrical Discharge rod

Neutral Grounding Resistor 3.3 KV, 400 A, 5.05 ohm

3.3 KV , 800 A, VCB Main Transformer Panel

3.3 KV , 800 A, VCB Service Transformer Panel

800 A ACB for LT Panel

250 A MCCB for LT Panel

3.3 KV, 400 A, VCB For FCMA Starter Panel

3.3 KV, 800 A, VCB Bus Coupler Panel

125 A MCCB for LT Panel

63 A MCCB for LT Panel

32 A MCCB for LT Panel

HT XLPE Cable 3 core 150 Sq.mm

CI D/F Sluice Valve 750 mm Manually Operated

12 V, 100 AH battery for Battery Bank

700 mm NRV for Surge Line

700 mm Butterfly Valve for Surge Line PN16

400 mm Butterfly Valve for Surge Line PN16

600 mm Dia Butterfly Valve for Recirculation Pipe, Electrically operated Valve Only PN 16

200 mm Dia CI D/F Sluice Valve for Surge Line Drain

(b)SPARES FOR RAW WATER PUMP HOUSE AT PARAVANAR

Motor Bearing DE 6319 C3

Motor Bearing NDE 6319 C3

Pump bearing 6309 C3

ACB 1000 A for Incoming Panel

MCCB 600 - 800 A,

Electromagnetic Contactor 650- 760 A

Electromagnetic Contactor 265 -300 A

Motor Protection relay

Timers

Single Phase Preventor

Surge Arrestor 11KV, 10 KA

25 KVAR Capacitor

LT UG Cable 3.5 core 300 Sq.mm

20 W LED Light & Fitting

120 W LED Focus Light

(c)SPARES FOR RAW WATER PUMP HOUSE AT NLC

Switch Fuse Unit - 200 A, Fuse 100A

Electromagnetic Contactor - 225 A

Electromagnetic Contactor - 185 A

Motor Protection Relay

Single Phase Preventor

Pump/ Seal Monitor

Timers

20 W LED Light & Fitting

120 W LED Focus Light

(d) SPARES FOR BOREWELLS

Electromagnetic Contactors 300 A

Electromagnetic Contactors 250 A

Timers (6-60sec)

Over-Load Relay Suitable for 85 HP Starter Control Panel

MCCB 250 A

Single Phase Preventor

Current Transformer, 200/5 A

Aerial Board Fuse - 200 A, 500 V

HRC Fuse 250 A

LT UG Cable 3.5 core 120 Sq.mm

20 W LED Light & Fitting

120 W LED Focus Light

Bill.I.B.White washing, Colour washing of all civil structures & Painting of old iron works and jungle clearing for Raw water pump house at Sethiathope

Clearing of jungle using JCB And Grass cutter in Raw water pump house yard etc.

Colour washing two coats of civil structures etc.

Painting of Old iron parts.

Bill.II.Supply, Delivery and providing required chemicals for treatment of water (180 MLD)

CHEMICALS FOR WATER TREAMENT PLANT (180 MLD)

Supply, delivery and providing the required chemicals such as Alum, Chlorine, and Ammonia etc. for treatment of water to the standard specified for the period of five years

1st Year

2nd Year

3rd Year

4th Year

5th Year

BILL IIA -Supply, Delivery and Replacement of spares for Filter House & Chemical Houses in 180 MLD Water Treatment Plant, Vadakuthu

CHLORINE & AMMONIA HOUSE - SPARES

Rewinding of Chlorine booster Motor 12.5 HP

MPCB for 12.5 HP Motor

25A Power Contactor

Chlorine booster Motor bearings for both ends

Chlorine booster Pump bearing for both ends

Chlorine booster Pump Impeller

Chlorine booster Pump Impeller nut

Chlorine booster Pump Shaft

Chlorine booster Pump Shaft sleeve

Chlorine booster Pump Lantern ring

Chlorine booster Pump Lovejoy Coupling

Sensor for leak detector

Rotameter glass tube

Flow control valve

Vaccum regulator box

Differential regulator box

Pressure reducing valve

Pressure relief valve

Vaccum relief valve

Chlorine control valves

Non-return valve

Pressure Indicator

Injector device

Injector check valve

Diaphragm valve

Ball valve

Copper tube connector

Rewinding of Ammonia booster Motor 5 HP

Ammonia booster Motor bearings for both ends

Ammonia booster Pump bearings for both ends

Ammonia booster Pump Impeller

Ammonia booster Pump Impeller nut

Ammonia booster Pump Shaft

Ammonia booster Pump Shaft sleeve

65 NB Gate Valve

Pressure Switch

CHEMICAL HOUSE - SPARES

Power contactor for Alum agitator

OLR for Alum agitator

Alum agitator Motor Bearings for both ends

Alum agitator Gearbox Worm shaft

Alum agitator Gear box spur gear

Alum agitator Gear box Worm shaft bearings for both ends

Alum agitator Gearbox Spum gear bearings for both ends

Alum agitator Shaft coupling bearings for both ends

PP Ball Valve 50mm

HOLDING TANK PUMP HOUSE

Rewinding of Wash water recycle Motor 25 HP

MPCB for 25 HP Motor

OLR for 25 HP Motor

40 A Power Contactor

30A Power Contactor

Wash water recycle Motor bearings

Wash water recycle Pump bearings

Wash water recycle Pump Impeller

Wash water recycle Pump shaft

Wash water recycle Pump Shaft sleeve (SS)

Wash water recycle Pump Lovejoy Coupling

Rewinding of Holding tank Blower Motor 20 HP

MPCB for 20 HP Motor

OLR for 20 HP Motor

30A Power Contactor

25A Power Contactor

Holding Tank Blower Motor bearings

Holding Tank Blower bearings

Holding Tank Blower Filter element

Holding Tank Blower V-Belt

FILTER HOUSE

Repair & reconditioning of 15 Nos of Filter bed as per specification

Removing the existing old filter media (Sand and pebbles) upto the depth of 2.3 mtr and dispose the same to the lower level of the treatment plant by vehicles etc. complete Excavation Work & Disposal Work (1x 15x 98.82)

Thorough scrapping of old plastered surface (1 X 15 X 289.48)

Cleaning and washing the filter beds, Airline and water line pipes beds, with soap, soda and soda lime with brush etc. complete (1 X 15 X 289.48)

Paving the surface of the filter beds with plain ceramic tiles of size 200mm x200mm x 6mm over a base layer of cement layer of 1:3 20 mm thick and pointed with same colour cement. (1 X 15 X 289.48)

Replacement of RCC channel's slabs in the filter beds using cement concrete 1:2:4 and 12-20 mm stone jelly for reinforced concrete works excluding centering and shuttering and cost of steel reinforcement but including laying in position, compacting, curing and finishing etc. complete (1 X 15 X 1.25)

Steel 12mm dia supplying, fabricating and laying in position MS rounds of RTS rods for RCC works including cost of reinforcement, binding wire cutting bending cranking and tying in position with binding wire assembly etc. complete (1 X 15 X 299)

Providing form work with centering for soffits of reinforced CC slabs or plain surfaces including strutting upto 3m heights for RCC channel's slabs in the filter beds etc. complete (1 X 15 X 192)

Replacement of filter media pebbles of size 40-50 mm dia in filter beds etc. complete (1 X 15 X 8.74)

Replacement of filter media pebbles of size 25-40 mm dia in filter beds etc. complete (1 X 15 X 4.37)

Replacement of filter media pebbles of size 12-25 mm dia in filter beds etc. complete (1 X 15 X 6.55)

Replacement of filter media pebbles of size 2-6 mm dia in filter beds etc. complete (1 X 15 X 6.55)

Washing of pebbles manually (1 X 15 X 26.21)

Replacement by laying of 50mm dia PVC pipe, including carting, jointing,excavation and refilling (Air line and water line pipes in filter beds for back washing) etc. complete (1 X 15 X 144)

Material cost of 50mm dia PVC pipe (1 X 15 X 144)

Replacement of PVC Air line and water line nozzles in filter beds for back washing etc. complete (1 X 15 X 600)

Repair and reconditioning of Butterfly valves of 300mm dia 3 Nos. for outlet (1 X 15 X 3)

Repair and reconditioning of Butterfly valves of size 400 mm dia 2 Nos. for inlet and Filter beds (1 X 15 X 2)

Rewinding of 25 HP Motor for Air Blower

MPCB for 25 HP Motor

OLR for 25 HP Motor

40 A Power Contactor

30A Power Contactor

Filter air Blower Motor bearings

Air Blower bearings

Pressure Gauge

Filter air Blower Filter element

Filter air Blower V-Belt

MPCB for 50 HP Motor

OLR for 50 HP Motor

63A Power Contactor

50A Power Contactor

Wash water Motor bearings

Rewinding of 50 HP Motor for Wash water motor

Wash water Pump bearing B115

Wash water Pump Impeller

Wash water Pump Impeller nut

Wash water Pump Shaft

Wash water Pump Shaft sleeve

Rewinding of Service water Motor 15 HP

MPCB for 15 HP Motor

32A Power Contactor

Rewinding of Sludge Reirculation motor 12.5 HP

OLR for 15 HP Motor

Service water Motor bearings

Service water Pump bearings

Service water Pump Impeller

Service water Pump Impeller nut

Service water Pump Shaft

Service water Pump Shaft sleeve

Rewinding of Sludge recirculation Motor 12.5 HP

MPCB for 12.5 HP Motor

OLR for 12.5 HP Motor

32A Power Contactor B106

Sludge recirculation Motor bearings

Sludge recirculation Pump bearings

Sludge recirculation Pump Impeller

Sludge recirculation Pump Shaft

Sludge recirculation Pump Shaft sleeve (SS)

Limit switch with lengthy leads for Filter bed Actuators

Switch mechanism for Filter bed Actuators

0.27 KW, 144 RPM Motor (K30 F10A) Stator assembly for Actuators

0.17 KW, 24 RPM Motor (K30 F10E) Stator assembly for Actuators

0.09 Kw, 12 RPM Motor (K60 F10E) Stator assembly for Actuators

Gear operator for 400 NB Butterfuly valve

Gear operator for 300 NB Butterfly valve

Bearing for 400 NB Butterfly valve Gear operator

Bearing for 300 NB Butterfly valve Gear operator

Spindle rod & nut for 150 mm dia SV

Spindle rod & nut for 250mm dia SV

Bearing for 150 NB Butterfly valve Gear operator

Spindle rod & nut for 200 mm dia SV

CLARIFIER SPARES

Worm shaft/ Worm Wheel bearing

Plummer block bearing for outer drive clarifier

Chain for outer drive wheel

Sprocket for outer drive

Sprocket for inner drive

Traction Wheel

Rubber Scrapper

VALVES

350mm Sluice valve for Wash water pumps.

250mm Sluice valve for Holding tank pumps.

300mm Sluice valve for Wash water pumps.

200mm Sluice valve

150mm Sluice valve

80mm Sluice valve

65mm Sluice valve

50mm Sluice valve

300mm Non Return Valve

65mm Non return valve

50mm Non return valve

150mm Non reture valve

2 TON EOT (spare)

150 SQ MM Al Cable , 3.5 core, 200 mtrs

BILL II B- Supply, Delivery and Replacement of spares for HT Pump House and D.G. Set (1500 KVA) in 180 MLD Water Treatment Plant, Vadakuthu

HT Pump House and D.G. Set (1500 KVA) - SPARES

Motor bearing DE NU 321

Motor bearing NDE 7320 BEP

Pump bearing 7220 E

TBH bearing 32017 SKF

TBH bearing 601722 SKF

DG Panel - differential relay IR 11 - 3 ER

DG Panel - Reverse power relay IRP1,

DG Panel - Under voltage relay

DG panel - Over voltage relay

DG Panel - 30/C + 11 E/F relay

DG Panel - Earth fault relay

Sensitive earth fault relay

Master trip relay

Start up battery for DG set 12 V 360 AH

B,C & D checks for 1500 KVA DG set

Master top relay

Motor protection relay

Under voltage relay

U/O Voltage relay

Neutral displacement relay

30/C + 1 E/F relay

E/F relay

Instantaneous E/F relay

CI DF sluice valve electrically operated 600 mm

CIDF non- return valve swing check type 600 mm

CI D/F Sluice Value 750mm Manually Operated

125 KVAR 3.3 KV capacitor (HT)

SCAN 50 ultrasonic level measuring unit

Micro controller based flow totaliser - cum- Flow indicator

Alarm annunciator micro alarm (AO Windows + 90 - 270 V)

Optional RS 485 - Communication with MICROBS RTU slave protocol

Indicator - IND 2000 (40 - 200 i/p + 2 Rly. + 90 - 270 V AC/ DC)

Lightening arrestor 30 KV - 10 KV Class - II - Lampo

12 KV 800 A 25 KA VCB (open execution)

Vaccum contactor for 3.3 KV 600 A 25 KA (open execution)

12 KV 630 A 25 KA VCB (open execution)

Vaccum interruptor for 3.3 KV/ 12 KV VCB

Vaccum interruptor for 3.3 KV VC

HT fuse for vaccum contactor

Vaccum contactor for FCMA soft starter LSC1-490-3.3 KV

3.3 KV PT fuse

Auxillary contactors

Economy resistors

Timers

Bill No. -II C- Painting, White washing, colour washing & jungle clearing for Water Treatment Plant and Treated water pump house at Vadakuthu

Clearing of jungle using JCB And Grass cutter in WTP pump house yard etc.

Colour washing two coats of civil structures etc.

Painting of Old iron parts.

VA TECH WABAG LIMITED

Vishvaraj Environment Private Limited