Mtps I Tm Unit Ii Overhauling Of Valves In Feed Water Main Condensate And Extraction Steam Lines During Annual Overhauling 2021 22

Tender Notice

28160060
Mtps I Tm Unit Ii Overhauling Of Valves In Feed Water Main Condensate And Extraction Steam Lines During Annual Overhauling 2021 22
Indian
Tamil Nadu
11-06-2021
17-06-2021
18-06-2021

Tender Details

Mtps I Tm Unit Ii Overhauling Of Valves In Feed Water Main Condensate And Extraction Steam Lines During Annual Overhauling 2021 22

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INR 6300.00 /-
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Tendernotice_1.pdf Tender Document-MTPS I TM Unit II Overhauling of Valves in Feed Water Main Condensate and Extraction Steam lines during Annual Overhauling 2021 22 953.33
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BOQ Items

Name of Work: MTPS-I - TM - Unit- II- Overhauling of Valves in Feed Water, Main Condensate and Extraction Steam lines during Annual Overhauling 2021-22
Sl. No. Item Description Item Code / Make Quantity Units
1 1 Overhauling of GV 250 /250 ATA III Gr. MO with Bypass Valve: Dismantling the valve, cleaning all the parts, checking the actuator bearings, seating surfaces. Lapping the gate and seat for perfect blue matching, reassembling the valve with new self sealing ring and gland packing. Checking and cleaning the actuator thrust base bearing and lubrication to the bearings. item1 3 Nos
2 2 Overhauling of GV 10"/1500 Class HO and PNRV 250 / 250 ATA , SCNRV 300 /150 Class, GV/GLV 10 “/150 class, 12 “/150, 300 class. Dismantling the valve, cleaning all the parts, Checking the seating surfaces. Lapping the gate/seat & flap/disc for perfect blue matching. Reassembling the valves with new self sealing ring and bonnet gaskets and gland packing rings. item2 6 Nos
3 3 Overhauling of GV 300/250 ATA III gr. MO/HO valve with Bypass valve Dismantling the valve, cleaning all the parts, checking the seating surfaces and Lapping the gate and seat for perfect blue matching, Reassembling the valve with new self sealing ring and gland packings. Checking and cleaning the actuator thrust base bearing and lubrication to the bearings. item3 3 Nos
4 4 Overhauling Of GV 100/250 ATA IX Gr M.O, GLV 4” Class +2500 M.O. Dismantling the valve, cleaning all the parts, checking the seating surfaces and actuator bearings. Lapping the gate and seat for perfect blue matching, Reassembling the valve with new self-sealing ring and gland packings. item4 4 Nos
5 5 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. item5 12 Nos
6 6 Overhauling of GV 200 / 250 ATA M.O, GV 200 / 600 Class M.O ,SCNRV 400,600mm/ 150 Class GV 500,600mm/ 150 Class.Dismantling the valve/NRV cleaning all the parts checking the seating surfaces and actuator bearings, Lapping the gate / seat / flap for perfect blue matching, Reassembling the valve with new self sealing ring / bonnet gasket and gland packings. item6 3 Nos
7 7 Overhauling of GV, GLV 200 / 40 ATA, HO/MO, SCNRV 250 / 300/ 40 ATA, Control valve 6" x 6" / 300 class, GV 250 / 40 ATA H.O, 2.5”, 4” / 150, 300 class. Dismantling the valve, cleaning all the parts, checking the seating surfaces and actuator bearings. Lapping the gate / seat / flap for perfect blue matching, Re-assembling the valve with new bonnet gaskets and gland packings. item7 8 Nos
8 8 Overhauling of GV 300/ 16 ATA MO, GV 300/40 ATA HO, GLV 200/ 40 ATA MO, Control valve 10 ” x 10" / 300 classDismantling the valve, cleaning all the parts of the valve, checking the seating surfaces and actuator bearings. Lapping the gate / seat / disc / flap for perfect blue matching. Reassembling the valve with new bonnet gaskets and gland packings. item8 7 Nos
9 9 Overhauling of NRV 100/250 ATA , GLV 100 / 40 , 16 ATA, GLV 4” / 600, 300 class HO / MO , SCNRV 150/ 40, 16 ATA, SRV 2.5 ”X4 ” / 300 Class ,GV 350/125 class & GV 300/125 class, GV150/64 ATA HO, SCNRV 350/125 Class. Dismantling the valve, cleaning all the parts, checking the seating surfaces, bearing, yoke bush etc., Lapping the gate/ seat/ disc/flap for perfect blue matching. Reassembling the valve with new gland packing rings and bonnet gaskets without any leak. Checking the Actuator thrust base bearing and apply lubrication. item9 4 Nos
10 10 Overhauling of GV / GLV 2" class 800, 1500, 2500 HO/MO valves Dismantling the valve, cleaning all the parts, Lapping the gate, disc with seat, for perfect blue matching. Reassembling the valve with new bonnet gasket and gland packings item10 28 Nos
11 11 Overhauling of GV/ GLV 1" class 800/1500/2500 HO/MO.Dismantling the valve, checking the seating surfaces. Cleaning all the parts. Lapping the disc with seat for perfect blue matching. Reassembling the valves with new gland packings and bonnet gaskets. item11 40 Nos
12 12 Changing of CRH (Left and Right) line flange and dummy flange gaskets.a) Providing the scaffolding arrangements. Disassembling the CRH line flange studs and dummy flange bolts. Removing the spacer flange for inspection. item12 1 No
13 13 b) Cleaning the spacer flange at both sides and mating surface of the line flange, Dummy flange. Providing the gaskets and positioning the spacer flange, Reassembling the CRH line flange and dummy flange by tightening the studs / bolts without any leak. item13 1 No
14 14 Overhauling of control valve size 4”x2.5”/1500 class:Dismantling the valve, cleaning all the parts, checking the seating surfaces Reassembling the valve with new Tech seal Bonnet, Tech seal for body, Stack, Gauge and gland packing. Checking and cleaning the Pneumatic actuator and lubrication to the bearings, fixing the actuator on the valve. item14 3 Nos
15 15 Cleaning and painting:- Cleaning and painting of Main Condensate lines from hotwell to Gland Cooler-I. (Bus Green-Paint Under contractor scope) item15 100 M2
16 16 Champion Make Style – 54 Super Metallic Compressed Asbestos fiber Jointing sheet confirm to IS 2712/1998, Grade W/1, Size 2000 x 1500 x 4mm for CRH (L&R) Flanges & Dummy flanges and ES -4, MC-36 & 37 valves bonnet item16 19 Kg (1Sheet)
17 17 Cost of Enamel paint as per the PWD rate of works page No.51 Sl.No.144/2020-21.@ 223.20/litre for( 2 Lit approx.)/10m2=(223.20x2)/10 item17 100 M2
18 18 Consumables and T& P Charges item18 1 LS
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