Tender For Mechanical Maintenance Work Of Furnace Bottom Ash And Dry Fly Ash Disposal System Of 5X200mw, Btps, Obra. - Servicing Of Clinker Grinder With Their Drive Mechanism. 2 Replacement/Servicing Of Bearing Of Clinker Grinder. 3 Servicing Of Beari, Obra-Uttar Pradesh

TDR : 47592114

Tender Notice
Corrigendum Details
BOQ

Expired

Obra , Uttar Pradesh

Tender Brief : Corrigendum : Tender For Mechanical Maintenance Work Of Furnace Bottom Ash And Dry Fly Ash Disposal System Of 5X200mw, Btps, Obra. - Servicing Of Clinker Grinder With Their Drive Mechanism. 2 Replacement/Servicing Of Bearing Of Clinker Grinder. 3 Servicing Of Beari

Document Fees
₹ 1180 /-

EMD
₹ 17000.0 /-

Tender Value
₹ 14.11 Lakhs /-

Submission Date
27-02-2025

Competition Type
Indian

Bidding Type
Tender

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Sr No	Corrigendum Date	Corrigendum	Type	New Submission Date
1	21-02-2025	Date corrigendum 1	Date	27-02-2025

Name of Work: Mechanical maintenance work of Furnace Bottom Ash and Dry Fly Ash Disposal system of 5X200MW, BTPS, Obra.

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	Servicing of vacuum pump.
108	Alignment of motor & vacuum pump with belt replacement if required.
109	Store handling material from CSD-II to site store.
110	Fabrication & erection of bend of following size:
111	a) Size 4”
112	b) Size 6”
113	c) Size 8”
114	d) Size 10”
115	Replacement of damage bearing of vacuum pump.
116	Replacement of shaft sleeve of vacuum pump.
117	Replacement of body of hydro mixer 10”.
118	Replacement of body fad 12” x 6” mach.
119	Replacement of hopper 12” x 4.6”.
120	Replacement of sharp sheet of ash intake valve of 3rd to 6th row.
121	Replacement of ash intake valve of 1st to 2nd row.
122	Replacement of ash intake 3rd to 6th row.
123	Alignment of misaligned disposal line fitting 8”/10”.
124	Replacement/alignment of solenoid valve of 2.5”/4”/6” power cylinder.
125	Repairing of tail pipe by patch welding.
126	Repairing of C.I. bends and lateral size 8”/10”.
127	Servicing/repair/overhauling of solenoid valve of 2.5” power cylinder.
128	Servicing/repair/overhauling of solenoid valve of 4”/6” power cylinder.
129	Replacement ofMS Plate of economizer hopper and air preheater hoppers plateforms with 10 mn to 16 mm thick
130	Replacenment/cutting & welding of Y-piece of DFA system .
131	Fabrication and erection of platform on bottom Ash disposal pipe line
132	Fabrication of different types of sleeve and Shaft
133	Shaft sleeve of Clinker grinder ( Material-SS-304)
134	Shaft sleeve of Vacuum pump (Material- SS-410)
135	Shaft of Fluidizing Blower
136	Balancing of Impeller of Vacuum Pump

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Tender For Mechanical Maintenance Work Of Furnace Bottom Ash And Dry Fly Ash Disposal System Of 5X200mw, Btps, Obra. - Servicing Of Clinker Grinder With Their Drive Mechanism. 2 Replacement/Servicing Of Bearing Of Clinker Grinder. 3 Servicing Of Beari, Obra-Uttar Pradesh

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Tender For Mechanical Maintenance Work Of Furnace Bottom Ash And Dry Fly Ash Disposal System Of 5X200mw, Btps, Obra. - Servicing Of Clinker Grinder With Their Drive Mechanism. 2 Replacement/Servicing Of Bearing Of Clinker Grinder. 3 Servicing Of Beari, Obra-Uttar Pradesh

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