Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited-UPRVUNL has published Overhauling Work Of Bottom Ash Hopper System And Dfa System Of Unit No. 09, Btps, Obra - 1 Removal Of Chocking Of Seal Trough. 2 Straightening Out Side Seal Trough Plates By Welding / Patching With Plates. 3 Removal Of Iron Pieces, Garbage, O. Submission Date for this Tender is 22-08-2022. Rough Finishing Tools Tenders in Sonbhadra Uttar Pradesh. Bidders can get complete Tender details and download the document.
Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
1 | 11-Aug-2022 | Extension in dates | Date | 22-08-2022 |
Sl. No. | Item Description |
1 | Removal of chocking of seal trough. |
2 | Straightening out side seal trough plates by welding/patching with plates. |
3 | Removal of iron pieces, garbage, oil deposits, refractory pieces etc from BAH by its shifting away. Cleaning of complete hopper by water jet. |
4 | Replacement of MS pipe 8”/6”/4” |
5 | Servicing/overhauling of clinker grinder with their drive mechanism. |
6 | Replacement/servicing of driven/ driving sprocket. (15/45 teeth) |
7 | Servicing/replacement of fluid coupling of clinker grinder. |
8 | Servicing/overhauling of clinker grinder gear box of bottom ash hopper. |
9 | Alignment of clinker grinder motor. |
10 | Overhauling/replacement of Jet Pulsion Pump. |
11 | Overhauling/replacement of pneumatic Power Cylinder for Clinker grinder. |
12 | Cleaning of flushing nozzle of BAH. |
13 | Servicing/overhauling of bottom ash hopper feed gate with roller assembly. |
14 | Welding to attend leakage of bottom hopper side plate, ECO hopper, APH hopper etc. |
15 | Turing of MS pipe 8”. |
16 | Servicing/cleaning of air converted tank & connected pipe. |
17 | Replacement/adjustment of chain of clinker grinder. |
18 | Closing & opening of discharge gate of BAH. |
19 | Fabrication & erection of bend 4” to 8”. |
20 | Servicing/Replacement of LP water line valves (Gate/Globe) of following sizes: |
21 | 1” |
22 | 2” |
23 | 3” |
24 | 4” |
25 | 6” |
26 | 8” |
27 | Replacement of worn-out/damaged pipe of following sizes. |
28 | 1” |
29 | 2” |
30 | 3” |
31 | Removal of chocking of economizer hopper sluicing tank and all connected pipeline. |
32 | Patching of eroded plate in flushing device of ECO hopperby MS plate of 5 mm to 12 mm. |
33 | Replacement/servicing of nozzle of economizer sluicing tank. |
34 | Complete cleaning of economizer hoppers. |
35 | Replacement/servicing of Pneumatic Power Cylinder 8” knife gate valve of Bottom Ash discharge pipe line. |
36 | Servicing/overhauling/replacement of 8” knife gate valve. |
37 | Replacement/servicing of air check valve. |
38 | Replacement/repairing of TRESG valve 10”. |
39 | Replacement/ repairing of TRESG valve 8”. |
40 | Replacement/servicing of Butterfly valve: |
41 | Size 2 ” |
42 | Size 6” |
43 | Size 8” |
44 | Replacement/servicing of different size valves: |
45 | Size 10” |
46 | Size 12” |
47 | Replacement of Disc/Seat 1st & 2nd row of ESP Hopper. |
48 | Servicing/replacement of Disc/Seat 3rd& 6th row & APH Hopper. |
49 | Replacement of fluidizing blower “V”- belt. |
50 | Overhauling/replacement of fluidizing blower. |
51 | Alignment of fluidizing blower motor. |
52 | Replacement of connector/gasket 8”/10”. |
53 | Replacement of different size bend: |
54 | Size 8” |
55 | Size 10” |
56 | Replacement/repairing of different size lateral 8”/10”. |
57 | Patch work by welding in different area of fly ash system up to one squire fit. |
58 | Cutting and replacement spool pipe pieces of different size 6’/8’/10’. |
59 | Servicing/cleaning of air washer nozzle. |
60 | Servicing/cleaning of hydro mixer nozzle. |
61 | Removal of chocking vacuum line. |
62 | Removal of choking ACT & its connected pipe line. |
63 | Strengthening of ACT cylindrical as well as conical portion installed at 24 m height of vacuum tower. |
64 | Replacement of tail pipe (adopter). |
65 | Replacement of air washer nozzle. |
66 | Fabrication & erection 12” MS lateral portion in discharge sideof ACT tank at about 20 m height of vacuum tower. |
67 | Replacement/Servicing of vacuum breaker system. |
68 | Fabrication & replacement of wear plate of ACT. |
69 | Replacement of CI pipe: |
70 | Size 8” |
71 | Size 10” |
72 | Repairing/replacement of different hopper discharge W/O adaptor. |
73 | Replacement/repairing of ash intake valve 1st & 2nd row of diffuser. |
74 | Servicing/replacement of vacuum pump. |
75 | Alignment of motor & vacuum pump with belt replacement if required. |
76 | Rectification/replacement of damaged pipe, plate, stairs etc. of collecting tower. |
77 | Replacement/repairing of body of hydro mixer 10”. |
78 | Replacement/repairing of body fad 12” x 6” mach. |
79 | Replacement/repairing of air washer tank at ACT tower. |
80 | Fabrication & replacement of flushing header nozzle. |
81 | Fabrication & erection of seal box of bottom hopper overflow line. |
82 | Fabrication & replacement of BAH feed gate housing by MS plate. |
83 | Refractory works in Bottom ash hopper. |
84 | Providing shuttering to carryout the refractory work. |
85 | Fabrication & erection of Anchor of BAH. |
86 | Scaffolding work in Bottom ash hopper. |
87 | Isolation of Bottom ash hopper. |
88 | Cleaning of ash slurry sump pit and HP/LP sump pit including disposal of ash/garbage near gate no. 07 including disposal of ash/garbage. |
89 | Replacement of 14” MS pipe. |
90 | Fabrication & Erection of MS lateral/Bend of size 10"/12"/14”. |
91 | Replacement/Servicing of 14” Knife gate valve |
92 | Replacement/cutting & welding of Y-piece of DFA system. |
93 | Enamel painting work on complete collecting tower, ash slurry pump,HP/LP pump, seal water pump including connected pipe lines of unit No. 09. |
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