Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited-UPRVUNL has published Outine Preventive / Breakdown Maintenance Of Esp Bottom Ash Evacuation System & H.P. / L.P. Water Pipe Lines And Transition Pipes Of Esp / Fg Duct / Aph Hoppers And General Up Keep Of Dry Fly Ash Extraction Plant Including Its Silo Area, Fabri. Submission Date for this Tender is 02-04-2022. Ash Handling Machine Tenders in anpara Uttar Pradesh. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Part-A(Routine maintenance) |
| 2 | Routine maintenance, hammering and choking removal of ESP, APH, FG duct, chimney bottom ash evacuation system of unit No. 4 & 5 of 2x500 M.W. BTPS, Anpara. |
| 3 | Complete evacuation of fully / partially filled APH/FG Duct/Chimney/ESP hoppers of Unit No. 4 & 5 during start up of unit / due to break down of rotary feders / due to break down of Auto/manual rapping system (EERM/ CERM) of ESP. |
| 4 | General upkeep of the DFA extraction plant (located within plant premises) of Unit No. 4 & 5 of 2X500 M.W., ‘B’ TPS, Anpara. |
| 5 | General upkeep of the silo area of DFA Extraction Plant (located out side of plant premises) & Complete cleaning of outer surface of hoppers, walls, equipments of ESP & DFA system and pipe lines in ESP of 2X500 M.W. ‘B" TPS, Anpara. |
| 6 | Part-B(Break down maintenance) |
| 7 | Replacement /revisioning of bearing/rotor/DE & NDE bush / DE shaft/end cover of rotary air lock valve. |
| 8 | Replacement of damaged blade of rotor of rotary air lock valve. |
| 9 | Repairing of damaged/squeezed blades of rotor of rotary air lock valve by gas heating & pressing to bring them back in their original shape/angle. |
| 10 | Replacement of rotary air lock valve by new / repaired one. |
| 11 | Repairing of rotary vane shaft by welding with SS electrode (SS-304) and matching. |
| 12 | Repairing of end cover of rotary air lock valve by filling of material with cast iron electrode in the eroded portion and machining of end cover. |
| 13 | Repairing of cracked cast iron body/flange of rotary air lock valve by welding with CI electrode and machining /grinding of the same. |
| 14 | Servicing of Gear Box of rotary air lock valve including replacement of damaged part if any. |
| 15 | Replacement of Gear Box of rotary air lock valve by new/serviced/repaired gear box. |
| 16 | Attending leakage from ash pan by providing patch and welding with MS electrode. |
| 17 | Minor repairing of large/medium/small flushing apparatus ofESP/APH/FG duct/chimney hoppers. |
| 18 | Replacement / servicing of nozzle tips of flushing pan. |
| 19 | Repairing of deflected / damaged grating of sluiceways / drains of ESP area by cutting and welding / heating with gas and hammering. |
| 20 | Big size : 1300 mm X 1000 mm |
| 21 | Small size : 1000 mm X 1000 mm |
| 22 | Cleaning of ash trenches of ESP area along with tightening of nut & bolts of liners of sluiceways. |
| 23 | Repairing / attending leakages of miscellaneous pipes /discharge pipes, equipment by patch welding with MS electrode. |
| 24 | Repairing of nozzle pipe / nozzle holder assembly of flushing pan. |
| 25 | Repairing of Expansion bellows by hammering, grinding and welding. |
| 26 | Cleaning of trenches of economizer/ APH / FG duct hoppers. |
| 27 | Cleaning of chimney duct hopper trenches and its surrounding area. |
| 28 | Cleaning of main sluiceways of ESP area located at south of ESP. |
| 29 | Replacement / repairing of following wear plates of large/ medium / small size flushing pans : |
| 30 | Base wear plate |
| 31 | Side wear plate |
| 32 | Vertical wear plate |
| 33 | Replacement of gasket / jointing sheet of plate valve installed in transition pipe of large/medium/small size flushing pan. |
| 34 | Replacement of flange gaskets of LP water line / header in ESP area. |
| 35 | Checking & inspection thoroughly inside and outside, cleaning of large size flushing pan after dismantling and refitting of the same. |
| 36 | Checking & inspection thoroughly inside and outside, cleaning of medium and small size flushing pan after dismantling and refitting of the same. |
| 37 | Servicing / replacement of butter fly valves of following sizes: |
| 38 | 50 mm NB |
| 39 | 65 / 80 mm NB |
| 40 | 150 mm NB |
| 41 | Servicing / replacement of gate valves installed in service water line of following sizes: |
| 42 | 25 mm NB |
| 43 | 50 mm NB |
| 44 | 80 mm NB |
| 45 | Servicing/Replacement of plate valves of following sizes : |
| 46 | 300 mm NB |
| 47 | 200 mm NB |
| 48 | Recouping of flanges / bends /T-bends/ reducers of different size from old / damaged pipe, flushing pans etc. by cutting & smoothening of their rough surface. |
| 49 | Fabrication of M.S. flanges of different sizes from M.S. plate by gas cutting, chipping, grinding & drilling etc. |
| 50 | Fabrication and erection / repairing of steel structure of different steel sections. |
| 51 | Providing tapping of different size M.S. /C.S. water pipe. |
| 52 | Replacement of worn out/damaged MS pipes of following sizes : |
| 53 | 12 mm to 125 mm NB |
| 54 | 150 mm to 450 mm NB |
| 55 | De-silting/cleaning of various water pipes of following sizes : |
| 56 | 12/15 mm NB |
| 57 | 20/25 mm NB |
| 58 | 40/50 mm NB |
| 59 | 65 mm NB |
| 60 | 80 mm NB to 150mm NB |
| 61 | Dismantling of pipe/valves, supports etc of various sizes by gas cutting and transportation from site to site store/scrap yard. |
| 62 | Providing of valve / flanges /bends /reducers /"T"-bends in existing / replaced pipe line as per scope of work. |
| 63 | Replacement of damaged gaskets of different sizes of flanges of bottom ash evacuation system of ESP, APH, FG duct & chimney as well as of HP/LP water line. |
| 64 | Replacement of filter cloth and cleaning of fluidizing pads of ESP hoppers |
| 65 | Fabrication & installation of pipe support / clamp of pipe line |
| 66 | Fabrication & replacement of 300 mm NB transition pipesof hoppers of 1st to 3rd row of ESP. |
| 67 | Fabrication & replacementof 200 mm NB transition pipesof hoppers of 4th to 7th row of ESP and FG duct /APH /chimney. |
| 68 | Fabrication & replacement of 200 mm NB transition pipes of hoppers of FG duct /APH /chimney. |
| 69 | Painting with one coat of red oxide primer & two coats of reputed make synthetic enamel paint of approved colour on pipe and steel structure. |
| 70 | Part-C(Fabrication work of ESP) |
| 71 | Fabrication of bellow type expansion joints for 1st to 3rd row of ESP hoppers of Unit No. 4&5. |
| 72 | Fabrication of bellow type expansion joints for 4th to 7th row of ESP hoppers and for APH/FG duct hoppers of Unit No. 4&5. |
| 73 | Erection of bellow type expansion joints for 1st to 3rd row of ESP hoppers of Unit No. 4&5. |
| 74 | Erection of bellow type expansion joints for 4th to 7th row of ESP hoppers and for APH/FG duct hoppers of Unit No. 4&5. |
| 75 | Fabrication of M.S. pipe bends, reducers & "T"-bends of different sizes. |
| 76 | Fabrication of Large Size Flushing Apparatus including its 250 mm NB discharge bends for 1st to 3rd Row of ESP hoppers of unit # 4 & 5. |
| 77 | Fabrication of small/ medium size Flushing Apparatus of APH/FG duct hoppers including its 150 mm NB discharge bends of unit No. 4 & 5. |
| 78 | Major repairing of large size flushing apparatus of ESP hoppers. |
| 79 | Major repairing of medium size flushing apparatus of ESP hoppers |
| 80 | Major repairing of small size flushing apparatus of APH/FG duct/Chimney hoppers |
| 81 | Erection of Large Size fabricated/major repaired Flushing Apparatus for 1st to 3rd Row of ESP hoppers of unit # 4 & 5. |
| 82 | Erection of small/medium size Flushing Apparatus of APH / FG duct/ESP hoppers of unit No. 4 & 5. |
| 83 | Painting of large size flushing apparatus. |
| 84 | Painting of Small/ Medium size flushing apparatus. |
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