Tender For Mtps-I - Tm - Unit-Iii - Overhauling Of Olctc System Pump (Lhs &Rhs), Inspection & Cleaning Of Condenser Cw Box, Steam Side, Hot Well & Olctc System Ball Collecting Screen, Overhauling Of 200 Mm Condenser Air Release Cum Vacuum Breaking Va
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Project Description
Tender for Mtps-I - Tm - Unit-Iii - Overhauling Of Olctc System Pump (Lhs &Rhs), Inspection & Cleaning Of Condenser Cw Box, Steam Side, Hot Well & Olctc System Ball Collecting Screen, Overhauling Of 200 Mm Condenser Air Release Cum Vacuum Breaking Valve And Condenser Cooling Water Box Drain Valves, Cw Box Air Vent Valves, And Hot Well Drain Lines, Valves, Cleaning And Painting Of Condenser Inlet & Outlet Pipelines And Condenser Cw Box Front & Rear Side (Lhs & Rhs) During Aoh Of 2026 27.
BOQ
| Sl. No. | Item Description |
| 1 | Decoupling the pump, disconnection of the pump from suction and discharge pipe flanges, drainingthe lub oil from the sump. |
| 2 | Dismantling of the Bearing Covers, Bearing Bracket, Dismantling of shaft sleeve and dismantling of the casing etc., |
| 3 | Dismantling the impeller Assembly from the Casing, Inspection and reconditioning the eroded portions of the casings if required, Inspection, Checking measurements and tolerances of the impeller, shaft, impeller wearing ring, casing ring and neck ring and replace all the above if necessary including machining of the wearing rings to the required size and assembling with the impeller suitably. |
| 4 | Reassembling and positioning of the rotor assembly and closing of casing cover, reassembling the sleeve, Bearing Bracket Bearings, Bearing Covers and assembling the coupling in shaft. |
| 5 | Checking and correcting the pump alignment with motor and connecting of pump flanges with renewed gaskets. Inspection of couplings, Coupling the pump with motor, connecting the pump from suction and discharge pipe flanges, and other such works required for efficient operation of the pump and commissioning. Cleaning & painting the complete pump assembly & Base structure, Painting inside the pump casings, and painting of the pump base concrete structure, with Oil Distemper.(Paint under Contractor’s Scope) |
| 6 | Opening of condenser water box manhole door, cleaning of water box and tubes and removing the entrapped debris (Shells) from the CW inlet pipe line bends.Opening of water box man hole door, arranging the safety ropes and safety equipment’s, cleaning the water box, removal of debris from the water box and tubes and closing of man hole doors with new gaskets. |
| 7 | Closing of front & Rear manhole doors of 16 Nos for Condenser LHS & RHS. Manhole doors after renewing all the manhole door rubber chords and Providing and removing condenser jack pipes during vacuum tightness test. |
| 8 | a) Opening of OLCTC System Ball collecting screen manhole doors LHS & RHS -2 Nos. and cleaning the debris and closing of manhole doors with renewal of gaskets. |
| 9 | Overhauling of 200mm condenser air release cum vacuum breaking valve and its isolation gate valves and gear mechanismCleaning and painting of CW Inlet & outlet pipe lines and CW Box of condenser(LHS & RHS) with double coat , Two Coat of side (LHS & RHS) painting of CW Inlet & outlet pipe lines of condenser in outer side (LHS & RHS) |
| 10 | Dismantling the isolation valve, air release cum vacuum breaking valve of size 200mm,Cleaning all the parts, lapping the seating surface like valve seat and gates, checking blue contact, changing the internals if necessary and reassembling the valves with new gland packing’s, “O” Rings etc. |
| 11 | Inspection and cleaning of Hot well and steam side of condenser (LHS& RHS)Opening/Closing the Condenser Steam side & Hot well manhole doors of 6 Nos., Cleaning inside the hot well to remove the dust and impurities, inspection the steam side area, cleaning of spray nozzle, cleaning the rubber chord seating groove and surface area of the manhole and closing after renewing all the manhole door rubber chords.( Rubber chord contractor scope) |
| 12 | Overhauling of condenser Cooling water Box drain valves/ air vent valve/ cooling water inlet , outlet valve. Dismantling the valve, cleaning all the parts, checking the seating surfaces of Gate/seat. Lapping the seating surfaces of gate/ seat for perfect blue matching. Reassembling the valve with new gland packing rings and bonnet gaskets without any leak. |
| 13 | Charges for Consumables and T&P’s item Sl.No:1 to 12 |
| 14 | cutting gas |
| 15 | Enamel paint |
| 16 | Rubber chord Drive End/Heater Drip Pump/ Model: NU 411 Please Enable Macros to View BoQ information |
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Upcoming · 5 daysBid Opening Date
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