TTPS Mech II TM I Breakdown works in boiler feed water system stator water primary secondary pumps, hydrogen cooler booster pumps chemical dosing pumps and connected cooling water lines in units I II III for the period from 01 04 2026 to 31 03

Inspection of suction side mechanical-seal in 200KHI-S model Boiler feed pump and renewal of worn out parts -all associated works including alignment.

Inspection of suction side bearings in 200 KHI-S model Boiler feed pump and renewal of worn out parts -all associated works including alignment.

Inspection of discharge side mechanical-seal in 200KHI-S model Boiler feed pump and renewal of worn out parts.

Inspection of discharge side bearings in 200KHI-S model Boiler feed pump and renewal of worn out parts.

Inspection Boiler feed pump internals up to balancing disc/drum and renewal of worn out parts.

Inspection of both side journal bearings of boiler feed pump motor and renewal of journal bearing if required.

Replacing of overhauled 200KHI-S model Boiler feed pump in place of failed Boiler feed pump -all associated works including alignment

Inspection and renewal of bearings in 8UP 2MC model Boiler feed booster pump and renewal of worn out parts - all associated works including alignment

Cleaning of Suction strainer in Boiler feed booster pump including all associated works

Cleaning of filtering screen of duplex filter

Oil level checking and oil top up if required in Boiler feed pump for all the 9 pumps

Cleaning of BFP mechanical seal cooler tubes and water box including all associated works.

Inspection, renewal of worn out parts and overhauling of BFP's voith hydraulic coupling

Attending minor repair works in the portable oil centrifuge.

Replacing of punctured lub oil / working oil cooler by new / overhauled cooler in boiler feed pump including all allied works.

Overhauling the retrieved lub oil / working oil cooler including all allied works.

Complete overhauling including cavity filling and grinding and assembling of modular 8UP 2MC model boiler feed booster pump including all associated works.

Replacing the defective boiler feed booster pump (8UP 2MC ) model by overhauled modular boiler feed booster pump including all associated works.

Welding works on M.S/C.S pipes from 25 mm to 40mm dia.

Welding works on M.S/C.S pipes from 50 mm & 65mm dia.

Welding works on M.S/C.S 80/100 mm dia pipes.

Welding works on M.S/C.S pipes from 150 mm & 200mm dia.

Welding works on M.S/C.S pipes from 300 mm dia& above and patch up welding

Charges for renewal of gaskets in flange joints of cooling water/steam/feed water pipe lines and valves upto 300mm.

Charges for attending the Breakdown works in 100 mm air operated RC valves in Boiler feed pump.

Overhauling of GV 100 / 250 ATA III Gr. HO, GV 65 /250 ATA III Gr. MO/HO, GV 2.5”, 4" 2500 Class HO/MO valves Dismantling the valve, cleaning all the parts, checking the seating surfaces. Bearings. Lapping the gate and seat for perfect blue matching, Reassembling the valve with new self sealing ring and gland packings.( 100mm to 250mm Gate / Globe valves - AOV type and MOV)

Inspection of PCV - 16 & PCV - 17 steam valves motor / pneumatic operated actuators and renewal of worn out parts if required. Inspected the coupling of PCV 16 & PCV 17 steam valves at unit I deaerator – attending the defects and normalizing / opening the top cover of the actuator of PCV 16 & PCV 17 steam valves at unit III deaerator – inspection, renewal of diaphragm if required – reassembling the top cover and tightening.

Attending break down works in Stator water primary pumps - Inspection of bearings, Mechanical seals / gland packing and renewal of worn parts if required make: kirloskar

Attending break down works in Stator water secondary pumps - Inspection of bearings, Mechanical seals / gland packing and renewal of worn parts if required make: BEACON

Attending break down works in Hydrogen cooler booster pumps- Inspection of bearings, Mechanical seals/ gland packing and renewal of worn parts if required.

Attending break down works in chemical dosing pumps - Inspection of suction and discharge valves and attending the defects in Phosphate/ Hydrazine / Ferrous sulphate dosing pump.

Inspection of gear box assembly Dismantling the worm and worm wheel, bearing ,crank shaft, connecting rod, plunger etc., cleaning and inspection of internals , renewal of spares if necessary and assembling back, topping gear box oil.

Inspection of dosing tank and its connected pipe lines of phosphate, Hydrazine & Ferrous sulphate and attending the defects. Dismantling the tank top cover & connected pipe lines – complete cleaning – renewal flange gaskets and refitting.

Renewal of worn out S.S valve by new valve in Phosphate, Hydrazine and Ferrous Sulphate dosing pumps system. Dismantling the valve from the line – cleaning the threaded nipple / flanges – placing of new valve and tightening.

Cleaning the suction strainer of Phosphate/ Hydrazine / Ferrous sulphate dosing pumps in all the three units. Loosening and removing the strainer from the housing – cleaning and reassembling Total number of strainers in unit I, II & III.

Dismantling, cleaning, flushing and refitting Ferrous Sulphate Dosing flange joints pipe lines in Unit I, II & III

Replacing the worn-out S.S pipe lines by new pipe in chemical dosing pumps from 15NB to 32 NB S.S. pipes.

Replacing the worn-out S.S pipe lines by new pipe in chemical dosing pumps from 40NB & 50NB S.S Pipe.

Unit commissioning activities of feed water system during unit light up after a tripping. This work involves attending the unforeseen problems occur during unit light up in feed water system.

Charges for cleaning of Turbine area structures, grill structures from ‘0’ M to 13.5M pipe lines, auxiliaries and disposal of waste materials to disposal yard in unit II as and when required

BHARATHI ENTERPRISES (BID ID -1542720)