Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited-UPRVUNL has published Preventive/Breakdown Maintenance Of H . P . Valves Preventive/Breakdown Maintenance Of H . P . Valves And Actuators Including Replacement OfH . P . Drip / Drain Line Pipes Of All The Three Units Of3X210 M . W . , Atps , Anpara. Submission Date for this Tender is 10-06-2020. Actuator Tenders in anpara Uttar Pradesh. Bidders can get complete Tender details and download the document.
| Name of Work: Preventive/Breakdown maintenance of HP valves and actuators including replacement of H.P. drip/drain line pipes of all the three units of 3X210 MW, ‘A’TPS, Anpara. | |||||
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| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | Servicing of feed line gate control valves NRV size NB- 300mm NP-250 Kg./ cm² valves covered are E-1, E-2, BF-29, 30,33,34,37&BF-38. | 2 | Nos | |
| 2 | 2 | Servicing of low load line gate & control valves size NB-200mm NP-250Kg/ cm² valves covered are BF-31, 32,35,36,39 & BF-40 | 2 | Nos | |
| 3 | 3 | Servicing of Pneumatically operated S/H, R/H attemperation control valves & RH Spray block valves. | 15 | Nos | |
| 4 | 4 | Servicing of main Isolating valve BF-61 at the inlet of SH spray station, size: Nb- 150mm, NP-250Kg / cm² | 2 | Nos | |
| 5 | 5 | Servicing of main isolating valve of main steam line (L&R) M.S.-29 & M.S.-30,Nb-250mm, NP-250Kg/ cm² | 1 | Nos | |
| 6 | 6 | Servicing bypass valves of main steam valves, MS-29A, and MS-30A, Nb-25mm, NP-250Kg/ cm² | 2 | Nos | |
| 7 | 7 | Servicing of bypass valves of feed station, low load line valve and main isolation valve of inlet to SH-Nb-25mm, NP-250Kg/cm². | 2 | Nos | |
| 8 | 8 | Servicing of boiler drum safety valves and safety valve on main steam line on right hand side of boiler at 52meter elevation | 2 | Nos | |
| 9 | 9 | Servicing of electromagnetic relief valve (implies safety valve). | 1 | Nos | |
| 10 | 10 | Servicing of safety valves installed on hot reheat and cold reheat line at about 50meter elevation. | 1 | Nos | |
| 11 | 11 | Servicing of safety valve on soot blower line at 52mtr elevation | 1 | Nos | |
| 12 | 12 | Servicing of high-pressure valve & NRV’s at different elevation from ‘0’meter level to 54 meter level, in dozing hall nominal bore may vary from Ø10mm to Ø100mm. | 2800 | mm | |
| 13 | 13 | Replacement of H.P.Valves/NRV of sizes-Nb-10 / 15 / 25mm (H/ O, M/O) at different floors from ‘0’meter level to 54meter level, Dozing hall and at Dearator floor by cutting of damaged valve and welding of new valve after its revisioning. | 10 | Nos | |
| 14 | 14 | Servicing/replacement of hydra motor valves of oil station at AB / CD / EF elevation | 10 | Nos | |
| 15 | 15 | Servicing of oil line valves and NRV’s of oil station at AB / CD / EF elevation of boiler | 1200 | mm | |
| 16 | 16 | Servicing/overhauling of pneumatic operated dia150mm/dia 250mm valves on Aux. PRDS line and Dearator. | 4 | Nos | |
| 17 | 17 | Servicing /overhauling of electrically drive steam valve dia 100mm to 250mm on Aux. PRDS line | 6 | Nos | |
| 18 | 18 | Servicing/overhauling of electrically driven Nb- 400mm gate valve at Dearator | 1 | Nos | |
| 19 | 19 | Servicing/overhauling of electrically drove Nb- 50mm valves on Aux. PRDS line. | 2 | Nos | |
| 20 | 20 | Servicing/overhauling of pneumatic operated control valve size 50 to 100mm | 2 | Nos | |
| 21 | 21 | Servicing/overhauling of hand operated valve/NRV’s of size 150 to 250mm | 6 | Nos | |
| 22 | 22 | Servicing /overhauling of hand operated valves /NRV’s of size 300/350 mm. | 2 | Nos | |
| 23 | 23 | Servicing and revisioning of steam valves & NRV’s of Aux. PRDS line and Dearator. Rate to be quoted per mm basis. | 2000 | mm | |
| 24 | 24 | Changing flange gaskets of valves & flange at different elevation of boiler. Rate should be quoted on per MM basis | 3000 | mm | |
| 25 | 25 | Replacement of gland packing with new one from valves leaking from glands. Rate should be quoted on per MM basis. | 4000 | mm | |
| 26 | 26 | Replacement of various safety valves of critical piping such as Boiler Drum, Super Heater, CRH, HRH , etc | 1 | Nos | |
| 27 | 27 | Replacement of 150 mm Motorized Valve (PRDS(BIG), BF-61 and similar Valves) | 1 | Nos | |
| 28 | 28 | Replacement of 100 mm Motorized Valve (PRDS (small) and similar Valve ) | 1 | Nos | |
| 29 | 29 | Attending leakages of pipeline & headers etc. of main boiler, Dearator and aux. PRDS of 3x210 MW by cutting grinding and H.P. welding of damaged portion putting new spools/bends if required. | 200 | cm | |
| 30 | 30 | Servicing/overhauling of pneumatically operated actuators of valve. Size dia 40 to 100mm. | 12 | Nos | |
| 31 | 31 | Servicing/overhauling of pneumatically operated actuators of valves size dia 202 to 300mm | 2 | Nos | |
| 32 | 32 | Fabrication of H.P. drip/drain line bends out of available pipe by cutting, grinding & H.P. welding. | 2 | Nos | |
| 33 | 33 | Servicing / Replacement/overhauling of safety valve of Aux. PRDS. | 2 | Nos | |
| 34 | 34 | Servicing/Replacement/overhauling of safety valves of Dearator/CBD Tank/Pegging Line. | 2 | Nos | |
| 35 | 35 | Blanking of hot reheat and cold reheat NRV by blanking device & normalizing the same | 12 | Nos | |
| 36 | 36 | Replacement of H.P. valves /NRV of the following sixes at Dearator floor by cutting of damaged valves/NRV by welding with New/repaired valve/NRV after its revision. | |||
| 37 | 36.1 | a) 100 MM valve / NRV | 2 | Nos | |
| 38 | 36.2 | b) 150 MM valve / NRV | 2 | Nos | |
| 39 | 36.3 | c) 200 MM valve /NRV | 3 | Nos | |
| 40 | 36.4 | d) 250 MM valve/NRV | 2 | Nos | |
| 41 | 37 | Replacement of H.P.valve (H/O, M/O, Pneumatic)/NRV of the following sizes at Dearator floor of flange end Type by opening Nut and Bolts of flange and installation of new /repaired valves/NRV on it properly after replacement of gasket and servicing of valve. size 200 / 250mm valve / NRV | 2 | Nos | |
| 42 | 38 | Replacement of start up vents (R /H & S / H) at 54-mtr elevation | 2 | Nos | |
| 43 | 39 | Replacement of high Pressure valves (motor operated / hand operated/Pneumatic) of critical piping of Boiler of size:Nb-40mm to 65mm | 4 | Nos | |
| 44 | 40 | Replacement of Electrical / Pneumatic actuators of valve size up to Nb-300mm at different elevations; | 2 | Nos | |
| 45 | 41 | Replacement of H.P. drain/drip pipes of size Nb-200mm, Thickness- 6mm, Material- Carbon Steel. | |||
| 46 | 41.1 | Replacement up to three joints shall be considered as one job. | 1 | Job | |
| 47 | 41.2 | Rate per joints beyond above | 25 | Nos | |
| 48 | 42 | Replacement of H.P. drain/drip pipes of size Nb-150mm, Thickness- 8mm, Material- Carbon Steel. | |||
| 49 | 42.1 | Replacement up to three joints shall be considered as one job | 1 | Job | |
| 50 | 42.2 | Rate per joints beyond above | 25 | Nos |
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