Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited Tender
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Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited - UPRVUNL Tender
Solid Waste Management
Eprocure
Opening Date1 Apr 2022
Closing Date6 May 2022
Tender Amount₹ 64,14,000
Costs
EMD
₹ 65,000Document Cost
₹ 1,180Tender Fee
Refer Documents
Description
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Contact
Tender Id
2022_RVUNL_683313_1Bid Award Id
ViewTender No
T-01/BMD-I/BTPS/2022-23Tender Authority
Uttar Pradesh Rajya Vidyut Utpadan Nigam Limited ViewPurchaser Address
-Website
http://https://uprvunl.org/uprvunl
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Documents
BOQ Items
Cleaning and sweeping of railing of ESP top cover and cleaning of double geared motors of emitting electrode rapping mechanism (EERM). Installed capacity in each unit EERM-56 nos., thus total-112 nos. In both the units.
680
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Cleaning and sweeping of platform between pass A&B and pass C&D and cleaning of double geared motors of Collecting electrode rapping mechanism (CERM) and gas distribution rapping mechanism (GDRM). Installed capacity in each unit of CERM-28 nos. and GDRM-04 nos. total-32 nos., thus total-64 nos. In both the units.
680
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Checking of oil level and attending oil leakage in all double geared motors, CERM, GDRM & EERM in both units.
560
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-
Cleaning and sweeping of all stairs, railings and platforms from '0' to '40' M up to ESP top of both units.
80
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Cleaning and sweeping of outside casing walls between pass A&B and C&D from CERM level to ESP top walls and also in front of ball mills from '0' to '40' M of ESP top walls of both units.
6
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-
Inspection & tightening of nuts & bolts of CERM, GDRM & EERM if found in loose condition.
80
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-
Cleaning of ash dust from ESP top roof of one pass. One job involves cleaning of collected ash dust from top roof, cleaning of jhallas from beams and columns of ESP pass. Disposal of ash collected from top floor of ESP during cleaning of roof of ESP.
50
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-
Scope of work Part-B:
Reclamation/ Repairing of old & used worn out flight bar of Submerged Scraper Conveyor of Furnace Bottom Ash Disposal System in unit no. 4 & 5, 2x500 MW, BTPS, Anpara.
200
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-
Complete servicing of Ash Gate hydraulic cylinder with connected oil actuator and oil supply lines.
4
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-
Cutting of elongated chain link, refitting of chain links and successful trial Run of SSC.
55
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-
Dismantling and replacement /reversing and refitting of flight bar with new / workable/repaired flight bar & successful trial run of SSC.
300
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-
Straightening of bent &distorted flight bars with the help of heating torch and hydraulic jack.
200
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-
Remounting of SSC chain in case of dislocation of chain from sprocket Head end snub shaft /bottom/top trough /tail end rollers and its successful trial run.
90
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-
Repairing & re-strengthening by welding on different sizes of pipes, ash Hopper casing, SSC body etc. double coat (run) with suitable welding.
150
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-
Replacement/servicing of bearing of clinker grinder after removing Bearing housing &cleaning of grease &re-grease.
4
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-
Replacement/servicing of bearing of Head end shaft assembly and alignment if required & successful trial run.
2
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-
Replacement/servicing of bearing of head end snub shaft/bottom trough shaft//tail end shaft, alignment of rollers and successful trial run.
2
-
-
Complete servicing of hydraulic chain tensioning unit including cleaning oil replacement of reservoir, seals replacement on hydraulic rams of Chain tensioner, servicing of pressure relieve valves etc. and its successful trial run.
4
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-
Replacement of Hydraulic cylinder of chain tensioning unit . It includes a) Disconnection of oil supply pipe line.
b) Replacement of defective cylinder with new/repaired one.
c) Connection of oil supply lines & successful trial run.
4
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-
Repairing/replacement of damaged oil pipe lines of hydraulic chain tensioning unit/ ash gate actuator by cutting it with grinder preparation of 'V' for welding & welding with suitable electrode.
2
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-
Replacement of defective oil hose pipe of hydraulic chain tensioning unit/ ash gate actuator, clinker grinder/SSC hydraulic motor etc.
2
-
-
Overhauling of Head shaft assembly /replacement of defective parts with new /old healthy parts.
2
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-
Complete servicing /replacement of damaged parts of top trough stub shaft assy. Including cover plate.
32
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-
Alignment of old chain/replacement of chain of SSC with new one It includes:
(a) Removal of all flight bars.
(b) Dismantling of all the chain connectors.
(c)Taking out all the chain links.
(d) Replacement by new /old repaired chain after alignment of chain links.
(e) Fitting of chain connectors & flight bars on the replaced chain& its successful trial run.
320
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-
Servicing/Replacement of hydraulic pump of clinker grinder and its successful. trial run.
4
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-
Fabrication/Repairing of thrust washer of stub shaft roller assembly
32
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-
Servicing/Repairing/Replacement of spidex insert / coupling of SSC, Clinker Grinder/Ash Gate.
4
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-
Servicing/Replacement of oil pump of hopper ash gate & its successful trial run.
3
-
-
Servicing/Replacement of oil pump of SSC & its successful trial run.
4
-
-
Cleaning of seal trough of boiler.
7
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-
Evacuation of SSC body in case of breakdown by taking out all the ash/ clinker manually.
18
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-
Cleaning of inner & outer filters power pack system.
4
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-
Servicing of hydraulic motor of clinker grinder & its successful trial run.
1
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-
Replacement of oil seals of hydraulic motor of SSC & its successful trial run.
1
-
-
Repairing of damaged cast able refractory after chipping the damaged portion in furnace bottom ash hopper.
5
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-
Repairing of rollers of top trough shaft, tail end shaft, idler shaft assy.
8
-
-
Repairing /servicing /replacement of quenching nozzle body.
4
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-
Closing & opening of ash discharge gate of furnace bottom ash hopper manually.
8
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-
Repairing /servicing of sight peep holes.
2
-
-
Cleaning/ Flushing of bottom ash hopper spray drain collecting pipe.
2
-
-
Servicing of valves of water line of FBAD system.
1800
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-
Repair. of top trough shaft by welding and machining to finished surface.
4
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-
Replacement of hydraulic motor of SSC. It includes (a) Transportation of new/repaired hyd. Motor from central/site to the job site.
(b) Removal of old hyd. Motor of SSC after dismantling the bearing with housing.
(c) Mounting of new hydraulic. Of SSC.
d) Taking down the old hyd. Motor to the ground floor.
(e) Filling of oil in the hyd. Motor.
(f) shifting of old hyd. Motor to the site /central store.
(g)Evacuation of ash from scrapper conveyor from its main hole & its successful trial run.
1
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-
Removal of chocking of furnace bottom ash hopper.
6
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-
Repairing/servicing/ replacement of rollers of snub/idler shaft of bottom trough & tail end shaft. It includes -
(a) Removal of shaft from the SSC.
(b) Removal of rollers from the shaft
© Build up of worn out portion with the help of welding with suitable electrode.
(d) Grinding/machining of the rollers to achieve smooth surface.
(e) Refitting of the rollers on the shaft.
(f) Refitting of the shaft on the SSC body.
1
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-
Repairing /fabrication &erection of grating at the discharge of ash/clinker from the SSC to the clinker grinder.
4
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-
Flushing of cooling pipe line for oil cooler and bush bearing of stub Shaft assly.
2
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-
Repairing/fabrication &erection of liner plate near head end shaft /return idler shaft. It includes:
(a) Cutting damaged liner plate.
(b) Fabrication of liner plate of the required size.
© Fixing of liner plate by welding with suitable electrode &its successful trial run.
4
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-
Patch work on worn out portion of furnace bottom ash hopper, discharge chute of SSC body over the clinker grinder and clinker grinder chute.
8
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-
Fixing of new tiles/Ms plate in place of worn out tiles over the mother plate of SSC. It includes
(a) Provide scaffolding where ever required for removal of worn tiles.
(b) Removal of tiles & its fixing material from the mother plate.
© Grinding of mother plate for smooth surface.
(d) Cutting of the tiles in the required shape with the help of diamond cutting machine
(e) Fixing of new tiles and leveling them after applying fixing material over the mother plate & successful trial run of SSC.
20
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-
Repairing /servicing/replacement of bearing housing & its assembly of top trough stub shaft assy. It includes (a) Removal of bearing housing assy. And its dismantling.
(b) Build up of worn out portion with the help of suitable electrode.
© Grinding/machining of the bearing housing assembly to achieve smooth surface and profile.
(d) Refitting of bearing housing assy. with stub shaft and it successful trial run.
6
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-
Repairing of drain collecting pipe assy. of furnace bottom ash hopper.
1
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-
Servicing/Replacement of Hydraulic Motor (Model: CA 50) of Clinker grinder.
1
-
-
Replacement of old, used and worn out snub/tail end/idler shaft of SSC. It includes:
(a) Dismantling of bearing pedestal/flange and bearing from either end of the shaft (b) Removal of rollers from either of the shaft after taking the shaft from its place.
© Fixing of rollers with key at either end of new/repaired shaft.
(d) Fixing of bearing and bearing pedestal/flange after alignment of the shaft at it a original place and successful trial run.
2
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-
Replacement of old and clogged seeping water line to various aux. of FBAD system.
200
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-
Cleaning of pipe line
30
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-
Fabrication of the flange with the help of MS plate(40 mm NB)
12
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-
Welding works of joining pipe to pipe for lying of pipe line per joint. (1) 50mm NB
10
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-
(2) 40 mm NB
12
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-
(3) 25 mm NB
16
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-
(4) 15 mm NB
30
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-
Fabrication of bends with the help of cutting of pipe into desired section & its welding,
(1) 50 mm NB
32
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-
( 2) 40 mm NB
8
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-
Erection of valves in the pipe line after revisioning of the valves
(1) 40 mm NB
6
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(2) 25 mm NB
16
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-
Fabrication of pipe support by welding the angle / channel and other Steel sections and its grouting as & when required.
12
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-
Laying alignment of pipe line of size 150/100mm for different location
220
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-
Painting of outer surface of pipe line with coat of primer and two coat of paint with approved color and quality of synthetic enamel. Paint after surface preparation.
60
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-
Replacement /Repairing of Chain protection angle at bottom of both side wall of Top trough.
2
-
-
Replacement of the valves of water lines of FBAD system .It includes (a) Unscrewing of bolts of flange for removal of the valves. (b) Taking out the valves from the flange (c) Fixing of the new valves with new gasket & tightening of the bolts.
(d) Charging of water at full pressure and checking for any leakage and rectification if any.
25
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-
Replacement of water let nozzle of chain cleaning line.
4
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-
Repairing/Fabrication &erection of eroded flap at the discharge of ash/clinker from the SSC to the clinker grinder.
2
-
-
Repairing of guide wheel protection box .
2
-
-
Servicing of furnace bottom ash hopper gate with roller assembly.
3
-
-
Servicing of spur gear of clinker grinder & its successful trial run.
1
-
-
Complete overhauling of clinker grinder. It includes
a) Checking of wear plates.
b) Checking /replacement of shroud and comb liners.
c) Checking/replacement/servicing of all the bearings & repacking of bearings after greasing.
d) Removal of walker seals and rings.
e) Replacement of worn out parts with new/old & healthy parts & its successful trial run.
4
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-
Provide scaffolding inside the complete bottom ash hopper for different works in FBAD system.
1
-
-
Removal of clinker grinder with complete hydraulic motor assly. from its position for maintenance works and replacing the same on its position after completion of work.
3
-
-
Removal of SSC complete assy. from its position for maintenance. Works & replacing the same on its original position there after servicing of travelling wheels of the SSC body.
1
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-
Fabrication and erection of steel structures to facilitate the various maintenance works of furnace bottom ash disposal system.
1
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-
Fabrication and erection of chute and body of clinker grinder of FBAD System.
1
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-
Fabrication and erection of furnace bottom ash hopper (inner & outer) Chute and refitting in same position.
1
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-
Repairing of Drive and Driven shaft of clinker grinder. It includes
a) Dismantling of all the four teeth segment from the roll drum of the Drive/driven shaft by unscrewing the bolts.
b) Taking out the roll drum from the drive/driven shaft.
c) Undercutting (2mm) of the eroded portion of the drive / driven shaft.
d) Welding over the undercut portion with the help of CGS-680) or Equivalent welding electrode.
e) Machining of the welded portion for smoothed surface finish.
f) Fixing of the roll drum and grinder teeth segment over the repaired shaft.
1
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-
Replacement of new/repaired furnace bottom ash hopper gate of FBAD System. It includes:
(a) Shifting of furnace bottom ash hopper gate from central store to work site with the help of truck/trailer/ hydra.
(b) Dismantling of all the hydraulic lines i.e. pressure, drain, and interconnecting used for the actuation of the gate.
(c) Dismantling of hydraulic cylinder used for the actuation of the gate.
(d) Providing the proper scaffolding for removal of lower chute and Ash hopper gate.
(e) Removal of spray drain collecting box assy.
(f) Unscrewing of the chute from the gate and gate from ash hopper.
(g) Safe lowering of lower chute and gate with the help of chain block and hook-chook.
(h) Checking of all the fixing plate for its healthiness and replacement if any.
(i) Fixing of ash hopper gate to hopper using proper fasteners and stitch welding.
(j) Fixing of lower chute to the ash hopper gate and spray drain collecting box assy.
(k) Restoration of all the hydraulic oil lines i.e. pressure, drain, and interconnecting used for the actuation of the gate.
(l) Checking for the full travel of the gate in either gate.
(m) Shifting of the old ash gate to safe place as directed.
1
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-
Repairing of old & used worn-out teeth and collar of clinker grinder teeth segment of clinker grinder of 2X500MW, BTPS, Anpara.
4
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-
Dismantling, Servicing, Fabrication/Repairing of damaged parts, assembling of Hydraulically operated Bottom Ash Hopper Discharge gate of 2x500MW, BTPS, Anpara.
1
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-
Reclamation/Repairing of various critical old and used ,worn out shafts i. e. Head End Shaft, Tail End Shaft and Snub/Idler shafts(with key and key way also) of Submerged Scrapper Conveyor of Furnace Bottom Ash Disposal System of 2x500MW, BTPS
-
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(A)Head End Shaft
1
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(B)Tail End Shaft
1
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-
(C)Snub / Idler Shaft
1
-
-
Reclamation/Repairing of old, used and worn out chain drive sprockets of Submerged Scrapper Conveyor of Furnace Bottom Ash Disposal System of 2x500MW, BTPS, Anpara.
2
-
-
Dismantling, servicing, fabrication of damaged parts, Assembling of Hydraulic pump of SSC of furnace Bottom Disposal system.
2
-
-
Dismantling, Servicing, Fabrication of damaged parts, Assembling of hydraulic pump of Clinker Grinder of furnace bottom ash disposal system.
SCOPE OF WORK FOR ITEM NO.72 & 73
Hydraulic pump of submerged scrapper conveyor & clinker grinder are as :-
I. Loading, Transportation of the damaged hydraulically operated pump of ssc /clinker grinder from Boiler site.
II. Complete dismantling of hydraulic pump by removal of connecting sockets, cover assembly torque limiter, port plate, face plate, hanger plate, piston hold down ball & sockets, pistons shoe & retainer assembly, seals “O” rings, piston, shoe, barrel & sleeve assembly & splined key, shaft.
III. Cleaning of all the greasy & oily components of the pump by applying kerosene, petrol and removal of rust from the rusty portion of the pump components by applying rustolene.
IV. Reclamation/repairing of the worn out port plate, by doing brazing.
V. Machining of reclaimed/repaired port plate by doing facing, lapping, cutting, to the required finish to match the original dimension for ensuring proper fitment.
VI. Reclamation /Repairing of the worn out face plate by doing brazing, soldering etc.
VII. Machining of reclaimed/repaired face plate to the required finish by doing facing, lapping cutting, to match the original dimension for ensuring proper fitment.
VIII. Reclamation/repairing of worn out pistons. Hold down ball and sockets by brazing, lapping with grinding etc.
IX. Machining of reclaimed/repaired pistons, hold down ball & sockets & other components to the required finish to match the original dimension for ensuring proper fitment.
X. Reclamation/Repairing of worn out center shaft, key by welding with suitable welding electrode and after that doing machining for proper finish.
XI. Assembling of all the pistons on Hanger plate with down ball & sockets, doing their alignment ensuring smooth movement/ rotation.
XII. Repairing/reclamation of the damaged part of the casing of the pump.
XIII. Dismantling of all the components of the pressure compensator by removing all the bolts, nozzle, spool compensator, torque limiter, spring, adapter, seat compensator, washer, “O”-ring etc.
XIV. Cleaning of all the greasy & oily components of the pressure compensator by applying kerosene oil & petrol.
XV. Reclamation/repairing of worn out parts of pressure compensator.
XVI. Machining of reclaimed /repaired parts of the pressure compensator to the required finish to match the original dimension for ensuring proper fitment.
XVII. Assembling of all the components of the pressure compensator.
XVIII. Replacement of all the O-ring which shall be borne by the contractor.
XIX. Replacement of all the washers, seals which shall be borne by the contactor.
XX. Assembling of all components & other parts of hydraulic pump of SSC/CG with pressure compensator & after that checking it’s free movement & operation.
XXI. Loading, transportation of hydraulic pump of SSC/clinker grinder from firm’s workshop to boiler site.
XXII. Fitting & testing of the pump after proper alignment.
2
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Dismantling, servicing, fabrication of damaged parts & assembling of hydraulic motor of Clinker Grinder (CA-50) for furnace bottom ash disposal system.
SCOPE OF WORK:
Hydraulic Motor of submerged scrapper conveyor (M.A.-141) &Clinker Grinder(C.A.-50) are as :-
I. Loading, Transportation of the damaged hydraulically operated motor of ssc /clinker grinder from Boiler site to firm’s workshop & unloading.
II. Complete dismantling of hydraulic motor by removal of connecting sockets, cover assembly torque arm shaft coupling cylinder block hollow shafts, cam ring cam roller, guide plates’ valve plate, piston, piston shoe & retainer assembly, seals O-ring, shaft end housing port end housing, connection.
III. Cleaning of all the greasy & oily components of the motor by applying kerosene, petrol and removal of rust from the rusty portion of the hydraulic motor components by applying rustolene.
IV. Reclamation/repairing of the worn out guide plate, by doing brazing.
V. Machining of reclaimed/repaired guide plate by doing facing, lapping, cutting , to the required finish to match the original dimension for ensuring proper fitment.
VI. Reclamation /Repairing of the worn out valve plate by doing brazing, soldering etc.
VII. Machining of reclaimed/repaired valve plate to the required finish by doing facing, lapping, and cutting, to match the original dimension for ensuring proper fitment.
VIII. Reclamation/repairing of worn out pistons. Hold down ball and sockets by brazing, lapping with grinding etc.
IX. Machining of reclaimed/repaired pistons, hold down ball & sockets & other components to the required finish to match the original dimension for ensuring proper fitment.
X. Reclamation/Repairing of worn out hollow of cylinder block by welding with suitable welding electrode and after that doing machining for proper finish.
XI. Reclamation/repairing of worn out cam ring & cam roller by doing brazing, polishing, lapping with grinding etc.
XII. Assembling of all the pistons, guide plate with hold down ball & sockets, doing their alignment ensuring smooth movement/ rotation.
XIII. Repairing/reclamation of the damaged part of the casing of the hydraulic motor.
XIV. Reclamation/repairing of worn out connection block by welding with suitable welding electrode and after that doing, machining for proper finish.
XV. Assembling of cam ring & cam roller and doing their alignment ensuring smooth movement/ rotation.
XVI. Replacement of all the O-ring, washers & seals which shall be borne by the contractor.
XVII. Reclamation/repairing worn out parts of shaft end housing & port end housing.
XVIII. Machining of reclaimed/repaired parts of the shaft end housing & port end housing to the required finish to match the original dimension for ensuring proper fitment.
XIX. Assembling of all components & other parts of hydraulic motor with cam ring & cam roller & pistons after that checking it’s free movement & operation.
XX. Loading, transportation of hydraulic motor of ssc & clinker grinder from firm’s workshop to boiler site.
XXI. Fitting & testing of the motor after proper alignment.
1
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