Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited-UPRVUNL has published Tender For Annual Breakdown Maintenance Of, Esp, Bah, Dfa And Pump Section Of Ash Handling Plant Of 5X200mw,B Tps, Obra. Submission Date for this Tender is 31-03-2023. Miscellaneous Fasteners Tenders in obra Uttar Pradesh. Bidders can get complete Tender details and download the document.
Sl. No. | Item Description |
1 | Servicing of clinker grinder with their drive mechanism. |
2 | Replacement/servicing of bearing of clinker grinder. |
3 | Servicing of bearing housing of clinker grinder. |
4 | Replacement/servicing of driven/ driving sprocket. (15/45 teeth) |
5 | Servicing of fluid coupling of clinker grinder. |
6 | Servicing/overhauling of gear box type sumo ALLROYD/Premium make 30:1 of bottom ash hopper. |
7 | Alignment of clinker grinder motor. |
8 | Replacement of defective gear box/fluid coupling of clinker grinder. |
9 | Fabrication & replacement of overflow tank of BAH. |
10 | Servicing /repairing of jetting nozzle body. |
11 | Cleaning of jet Pulsion pump to remove chocking. |
12 | Servicing/replacement of Jet Pulsion Pump. |
13 | Servicing/replacement of pneumatic Power Cylinder for Clinker grinder. |
14 | Cleaning of chocking overflow line of BAH. |
15 | Cleaning of flushing nozzle of BAH. |
16 | Servicing/overhauling of bottom ash hopper feed gate with roller assembly. |
17 | Fabrication of feed gate BAH. |
18 | Removal of chocking of seal trough. |
19 | Refixing/replacement of wire mesh in BAH. |
20 | To isolate BAH during shutdown of boiler. |
21 | Welding to attend leakage. |
22 | Replacement of Jet Pulson Pump nozzle. |
23 | Fabrication & installation of feed sump. |
24 | Removal of clinker stuck up/deposited inside the furnace bottom ash hopper by pocking during the running of Unit. |
25 | Chocking removal of feed sump. |
26 | Removal chocking of bottom ash transport line. |
27 | Turing of MS pipe 8”. |
28 | Replacement of MS pipe 8”. |
29 | To take out foreign material like wire mesh/iron pes./pipes etc. from BAH. |
30 | Servicing/cleaning of air converted tank & connected pipe. |
31 | Refractory work in BAH. |
32 | Replacement of gland packing at any one end of roller of. Clinker grinder. |
33 | Replacement of complete Jet Pulsion Pump assembly. |
34 | Replacement/adjustment of chain of clinker grinder. |
35 | Closing & opening of discharge gate of BAH. |
36 | Replacement of eye bolts of access door of BAH. |
37 | Replacement of clinker grinder by new or shifting from other Unit and commissioning of the same. |
38 | Fabrication & erection of bend 4” to 8”. |
39 | Servicing of low pressure line valves |
40 | Replacement of wornout/damaged pipe of following sizes. |
41 | a) 1” |
42 | b) 2” |
43 | c) 3” |
44 | d) 4” |
45 | e) 6” |
46 | f) 8” |
47 | Removal of chocking of economizer hopper sluicing tank and all connected pipe line. |
48 | Patching of eroded plate by MS plate of 5 mm to 12 mm. |
49 | Replacement/alignment/servicing/overhauling of solenoid valve. |
50 | Replacement/servicing of nozzle of economizer sluicing tank. |
51 | Complete cleaning of economizer hoppers during Shut down of Unit. |
52 | Replacement of pocking hole cover of economizer hopper. |
53 | Replacement/servicing of Pneumatic Power Cylinder 8” dezurik valve of Botttom Ash discharge pipe line. |
54 | Servicing/overhauling/replacement of 8” dezurik valve. |
55 | Repairing/replacement of worn out parts of coupling 8” dia of Bottom Ash Disposal Line. |
56 | Replacement/servicing of air check valve. |
57 | Replacement/servicing of of TRESG valve 10”. |
58 | Replacement/servicing of TRESG valve 8”. |
59 | Replacement/servicing of Butterfly valve: |
60 | a) Size 2 ½” |
61 | b) Size 6” |
62 | c) Size 8” |
63 | d) Size 10” |
64 | Replacement/servicing of Power Cylinder: |
65 | a) Size 2.5” |
66 | b) Size 4” |
67 | c) Size 6” |
68 | Replacement / servicing of different size valves: |
69 | a) Size 4” |
70 | b) Size 6” |
71 | c) Size 8” |
72 | d) Size 10” |
73 | e) Size 12” |
74 | Replacement of Disc/Seat 1st & 2nd row of ESP Hopper. |
75 | Replacement of Disc/Seat 3rd & 6th row & APH Hopper. |
76 | Replacement of fluidizing blower “V”- belt. |
77 | Servicing of fluidizing blower. |
78 | Alignment of fluidizing blower motor. |
79 | Poking of ESP, APH hoppers. |
80 | Choking removal &removal foreign material in APH/ESP hopper. |
81 | Replacement of connector/gasket 8”/10”. |
82 | Replacement of different size bend: |
83 | a) Size 6” |
84 | b) Size 8” |
85 | c) Size 10” |
86 | Replacement of different size lateral 8”/10”. |
87 | Patch work by welding in different area of fly ash system up to one squire fit. |
88 | Cutting and replacement spool pipe pieces of different size 6’/8’/10’. |
89 | Servicing/cleaning of air washer nozzle. |
90 | Servicing/cleaning of hydro mixer nozzle. |
91 | Removal of chocking vacuum line. |
92 | Removal of choking ACT & its connected pipe line. |
93 | Reinforcement of ACT cylindrical portion as well as conical portion. |
94 | Replacement of tail pipe (adopter). |
95 | Replacement of hydro mixer nozzle. |
96 | Replacement of air washer nozzle. |
97 | Fabrication & erection 12” MS lateral portion in discharge sideof ACT tank pipe dia 250 mm to 300 mm. |
98 | Replacement/Servicing of vacuum barker system. |
99 | Replacement of wear plate of ACT. |
100 | Fabrication of wear plate of ACT. |
101 | Replacement of MS/CI pipe: |
102 | a) Size 4” |
103 | b) Size 6” |
104 | c) Size 8” |
105 | d) Size 10” |
106 | Replacement of different hopper discharge W/O adaptor. |
107 | Replacement of ash intec valve 1st & 2nd row of diffuser. |
108 | Servicing of vacuum pump. |
109 | Alignment of motor & vacuum pump with belt replacement if required. |
110 | Store handling material from CSD-II to site store. |
111 | Fabrication & erection of bend of following size: |
112 | a) Size 4” |
113 | b) Size 6” |
114 | c) Size 8” |
115 | d) Size 10” |
116 | Replacement of damage bearing of vacuum pump. |
117 | Replacement of shaft sleeve of vacuum pump. |
118 | Replacement of body of hydro mixer 10”. |
119 | Replacement of body fad 12” x 6” mach. |
120 | Replacement of hopper 12” x 4.6”. |
121 | Replacement of sharp sheet of ash intake valve of 3rd to 6th row. |
122 | Replacement of ash intake valve of 1st to 2nd row. |
123 | Replacement of ash intake 3rd to 6th row. |
124 | Alignment of misaligned disposal line fitting 8”/10”. |
125 | Replacement/alignment of solenoid valve of 2.5”/4”/6” power cylinder. |
126 | Repairing of tail pipe by patch welding. |
127 | Repairing of C.I. bends and lateral size 8”/10”. |
128 | Servicing/repair/overhauling of solenoid valve of 2.5” power cylinder. |
129 | Servicing/repair/overhauling of solenoid valve of 4”/6” power cylinder. |
130 | Replacement ofMS Plate of economizer hopper and air preheater hoppers plateforms with 10 mn to 16 mm thick |
131 | Fabrication and erection of platform on bottom Ash disposal pipe line |
132 | Cleaning of complete structure, electrodes, insulator bushing and shock bars of one field and connected two Nos. hoppers of ESP by wire brush, compresses air opening hopper side & top manhole. |
133 | Cleaning of complete two Nos. Hoppers of one field of ESP. |
134 | Replacement of damaged motor gear of rapping system. |
135 | Repairing of damaged rapping gear box. |
136 | Servicing of rapping gear box coupling bearing block. |
137 | Straightening of bend collecting electrodes. |
138 | Removal & fixing the collecting electrodes. |
139 | Repairing of bend collecting electrodes in ESP in fixed condition. |
140 | Removal of damaged emitting electrodes and fixing. |
141 | Servicing/repair/replacement of rapping hammer. |
142 | Repair/replacement of bend shock bar. |
143 | Straightening of rapping shaft. |
144 | Repair/fixing and welding of ash deflector plate. |
145 | Two coat of continuous run of welding on ESP ash hopper, ESP roof, other places in ESP. |
146 | Fabrication and erection of new deflector plates in ash hopper. |
147 | Inspection and checking of fields and removal of minor defects. |
148 | Replacement of asbestos rope of ESP top manholes, side manholes and ESP hopper manholes. |
149 | i) ESP top manholes |
150 | ii) ESP side manholes |
151 | iii) ESP hopper manholes. |
152 | Fixing of collecting electrodes with new clamp by welding. |
153 | Straightening of bend stay guide bar of collecting structure. |
154 | Replacement of damaged shaft insulator by new one. |
155 | Replacement of the damaged support insulator by new or replacement of sealing asbestos rope of size 20 mm & 10/8 mm. |
156 | Repair of support insulator screen pipe of ESP. |
157 | Replacement of plain bearing by new one if required. |
158 | Repair/replacement of shock bar guides, front, rear and support hook by welding and grinding wherever required. |
159 | Repair/replacement of coupling of reduction gear box of emitting/collecting rapping system. |
160 | Repairing or emitting frame by patch welding. |
161 | Replacement of damaged bracing pipe at ESP inlet. |
162 | Replacement/repair or vertical stay of emitting frame of ESP. |
163 | Repairing of man hole by replacing the damaged plate portion with new one. |
164 | Replacenment/cutting & welding of Y-piece of DFA system . |
165 | Attending leakages of flue gas duct from ESP inlet gate to ESP outlet gate. |
166 | Repairing of ESP inlet duct to ESP outlet duct welding of new plates inside the duct. |
167 | Fabrication & replacement of expansion joints bellows/baffle plate. |
168 | Servicing of gear box type HI 180 permium make with ratio 1.35:1 P2 of ash slurry pump. |
169 | Servicing of pembril make type & size PST-500 variable speed fluid coupling of ASP. |
170 | Removing of foreign material hard clinkers from inside of ash slurry pumps. |
171 | Servicing of NRV’s of different size installed in ash slurry pump house. |
172 | Removal ofpulley & shaft sleeve of ash slurry pump motor. |
173 | Installation of shaft sleeve & repaired/new pulley on the shaft of ash slurry pump motor. |
174 | Complete Servicing of ash slurry pumps including replacement of its worn out parts. |
175 | Complete Servicing of seal water pumps including replacement of its worn out parts. |
176 | De silting of outlet pipe of seal water of ash slurry/dewatering pump. |
177 | Complete Servicing of dewatering pump. |
178 | Replacement of damaged /broken “V” belt of ash slurry pumps. |
179 | Removal & refting of “v” belts of ash slurry pump & motor when ash slurry pump/motor is replaced or removed from the foundation & re-alignment of the same. |
180 | Adjustment of ash slurry pump speed by increasing/decreasing the PCD (scoope) as per site requirement. |
181 | Replacement of damaged/worn out suction flange, delivery flange, distance piece of ash slurry pumps. |
182 | Servicing of air release line including associated air release valve of discharge pipe line of ash slurry pump. |
183 | Removal of worn out/damaged valves of size more than 80 Nb from ash disposal pipe line/seal water pipe line &make dummy both sides dummy plates. |
184 | Installation of new/reapaired valves of size more than 80 mm NB from ash disposal pipe line/seal water pipe line after removal of dummy plate from both end. |
185 | Replacement of damaged valves/NRVs/seal water flow indicater of size 25 mm/40mm/50mm/65mm/80mm,100mm &150mm Nb. |
186 | Servicing/replacement of valves of size 300mm/350mm Nb. |
187 | Replacement of damaged flange of distance piece/delivery flange/suction flange. |
188 | Replacement of damaged oil seal at pulley side of ash slurry pump. |
189 | Replacement of ash slurry pump pulley by new/repaired pulley. |
190 | Connection of seal water pipe with inlet of seal water of ash slurry pumps/dewatering pump. |
191 | Providing full stiffener inside the grouted distance piece at suction of ash slurry pumps. |
192 | Transportation of complete ash slurry pump from pump foundation to overhauling foundation for servicing of ash slurry pump. |
193 | Transportation of complete ash slurry pump from overhauling foundation to pump foundation after servicing of ash slurry pump. |
194 | Welding & patching of pipe in ash slurry pump house to 400mm x 300mm. |
195 | Turning of suction flange, delivery flange & distance piece of ash slurry pump. |
196 | Alignment of seal water pump whenever motor is removed. |
197 | Cleaning of water tubes of fluid coupling oil cooler of ash slurry pump. |
198 | Revisioning & checking of fluid coupling oil cooler of ASP. |
199 | Cleaning of cooling line of fluid coupling oil cooler. |
200 | Dewatering and cleaning of ash water SUMP compartment. |
201 | Servicing of pneumatic power cylinder of 14”/12” ash flow valve. |
202 | Fabrication of 300/350 mm Nb bends for ash slurry pump/as per site requirement with full stiffener. |
203 | Fabrication of MS flange of size 25 mm Nb to 350 mm Nb. |
204 | Welding of new/repaired flanges of size 25 mm Nbto 250 mm Nb on seal water pipe line its accessories and dewatering pump jetting arrangement of ash pit as per requirement. |
205 | Fabrication of distance piece of ash slurry pump with full stiffener from 300/350 mm Nb MS. |
206 | Fabrication of delivery flange of ash slurry pump with full stiffener from 300/350 Nb MS pipe. |
207 | To provide half stiffener on ash slurry disposal pipe line inside ash slurry pump house. |
208 | Fabrication of suction flange of ash slurry pump with full stiffener from 350 mm Nb MS pipe. |
209 | Replacement of wornout/damaged both side flanged pipe size 300/350 mm Nb inside ash slurry pump house . |
210 | Cutting of old flange from worn out/damaged pipe of size 300/350 mm Nb. |
211 | Replacement of 300/350 mmNb bend inside ash slurry pump house & cross over system of ash disposal pipe line. |
212 | Replacement of wornout/damaged pipe of size 15 mm Nb to 350 mm Nb in ash slurry pump house. |
213 | Turning of MS suction &discharge line of ASP. |
214 | Cleaning of chocking of suction & discharge line of ASP. |
215 | Servicing of chain pulley block of following capacities |
216 | a) Chain pulley block of 5 MT capacities. |
217 | b) Chain pulley block of 10 MT capacities. |
218 | Cleaning of Ash Slurry Sump. |
219 | Servicing of HP ash water pump. |
220 | Replacement of HP ash water pump bearing. |
221 | Replacement of tube connector bearing/enclosing tubes/top or inter shaft of HP pump. |
222 | Servicing of LP ash water pump. |
223 | Replacement of tube connector bearing/enclosing tubes/top or inter shaft of LP pump. |
224 | Replacement of LP ash water pump bearing. |
225 | Blue matching of foundation of followings pumps after taking out pump assembly from sump. |
226 | a) HP ash water pump. |
227 | b) LP ash water pump. |
228 | Replacement of top shaft/line shaft sleeve ofHP. |
229 | Decoupling or coupling of HP pump with motor of HP. |
230 | Alignment of pump and motor of HP pump. |
231 | Servicing of bearing housing of HP pump. |
232 | Replacement of gland follower/stuffing box/tension nut of HP pump. |
233 | Replacement of column pipe its flange gasket or packing gland at top/line shaft/top shaft guide bearing of HP pump. |
234 | Checking of eccentricity of shaft after repairing connecting the same of the following: |
235 | a) HP top/pump shaft |
236 | b) HP inter/line shaft |
237 | c) LP top/pump shaft |
238 | d) LP inter/line shaft |
239 | Servicing of HP line gate/glow valves and NRVs. |
240 | Replacement of HP line gate/glow valves and NRVs. |
241 | Fabrication of 450 to 900 bends of following size by cutting and welding. |
242 | a) 4” dia |
243 | b) 6” dia |
244 | c) 8” dia |
245 | d) 12” dia |
246 | Servicing of gear operated inlet valve of Ash water sump |
247 | Servicing of overhead/hand operated crane (5 MT) installed at the height 10 mtr. |
248 | Fabrication and erection of Reducer of following dia. By cutting and welding. The length of reducer shall be between .5 m To 1.0 m as per requirement. |
249 | a- 8"x6" |
250 | b- 12"x10" |
251 | Repairing/ Rebuild and machining of worn out / damaged /eroded assembly parts of different type pumps and Clinker Grinder |
252 | Onesectorofoutercasingwithneck(Outer side and inner side) of ash slurry pump |
253 | Other sector of outer casing without neck ( outer side and Inner side) of Ash Slurry Pump |
254 | Wear plate ‘B’ sideof Ash Slurry Pump at Collar side |
255 | Wear plate ‘B’ sideof Ash Slurry Pump at without collar side |
256 | Wear plate ‘S’ sideof Ash Slurry Pump at Collar side |
257 | Wear plate ‘S’ sideof Ash Slurry Pump at without collar side |
258 | Gland Housingof Ash Slurry Pump at collar side |
259 | Gland Housingof Ash Slurry Pump at without collar side ( Inner side) |
260 | Suction Side cover of Ash Slurry Pump at Impeller side (Inner side) |
261 | Suction Side cover of Ash Slurry Pump at Doom nut side ( outer side) |
262 | Bracket Side cover of Ash Slurry Pump at Impeller side (Inner side) |
263 | Bracket Side cover of Ash Slurry Pump at Gland Housing side ( outer side) |
264 | Suction Flange of Ash Slurry Pump at Collar side |
265 | Suction Flange of Ash Slurry Pump at without collar side |
266 | Shaft of Ash Slurry Pump |
267 | Shaft of Clinker Grinder |
268 | Casing/Body of Vacuum Pump |
269 | Shaft with Impeller of Fluidizing Blower |
270 | Thrust bearing Hub of HP Ash Water Pump |
271 | Thrust bearing Hub of LP Ash Water Pump |
272 | Bearing housing with mounting cover of HP/LP Ash water Pump. |
273 | Lower coupling half (Balancer) of HP/LP Ash Water Pump. |
274 | Fabrication of Worm Gear byre-casting, tooth cutting and Machining of Worm Gear of Clinker Grinder Gear Box |
275 | Repairing and Machining of different types of valve. |
276 | Gate / glove valve /NRV-150 mm |
277 | Gate / glove valve /NRV-200/250 mm |
278 | Fabrication of different types of sleeve and Shaft |
279 | Shaft sleeve of Ash slurry pump( Material-SS-304) |
280 | Shaft sleeve of HP Ash Water pump ( Material-SS-316) |
281 | Shaft sleeve of LP Ash Water pump( Material.-SS-316) |
282 | Shaft sleeve of Clinker grinder ( Material-SS-304) |
283 | Shaft sleeve of Vacuum pump (Material- SS-410) |
284 | Top/ Inter shaft of HP Ash Water Pump |
285 | Top/ Inter shaft of LP Ash Water Pump |
286 | Shaft of Fluidizing Blower |
287 | Balancing of different types of Impeller |
288 | Impeller of Ash Slurry pump |
289 | Impeller of Vacuum Pump |
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