Central Coalfields Limited Tender
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Costs
EMD
₹ 22,100Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
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Contact
Tender Id
2025_CCL_327412_6Tender No
GM(D)/SO(EnM)/DA/24-25/63Tender Authority
Central Coalfields Limited ViewPurchaser Address
-Website
http://http://www.centralcoalfields.in
GEM & Bid Advisory Services
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BOQ Items
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D.E & NDE main bearings removing by pulling with the help of puller & jacks.
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Drum roll shaft damaged and worn-out bearing seat repairing by full round steel metal filling by welding method & roundness grinding & shaping as required and polishing by failing & amri paper with the help of flexible grinding machine at site.
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D.E & N.D.E side C.I casting Inner & outer bearing housing cum cover new making with casting & machining, drilling, dust seal grooving making, tapping.
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D.E & N.D.E side C.I casting Inner & Outer bearing dust seal new making with casting & machining, groove cutting.
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Sleeve, check nut & lock washer new provide for bearing N0-22234E1KC3 & shaft.
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Secondary crusher drum roll re-alignment & shifting & both side bearings fitting and setting in shaft at site with the help of hydraulic jacks
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Both side bearings, dust seal seat, drum roll shaft cleaning greasing of bearings with housing.
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Re-assembling, setting & commissioning of secondary crusher drum roll both side all accessories & attachment & trail run testing & proper checking.
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C.I Casting pair of PX-140 size tyre coupling set new making with casting, machining, grooving, boring, key way cutting for motor & gear box of secondary crusher drum roll drive including provide PX-140 tyre.
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Key new making for motor & gear box coupling.
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Old & damaged coupling set opening from secondary crusher drum roll drive motor & gear box & new set fitting & setting work done at site.
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Part – B Primary Crusher Drum Roll Assembly of BWF(zero value)
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Crusher Drum roll assembly L.H & R.H Bearing Housing, bearing covers, body housing complete dismantling with the help of hydraulic jacks & also crusher drum roll manually lifting & tilting for above attachment dismantling, opening.
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Crusher drum roll lifting body hydraulic jacks, all four nos center pins, bolts removing with the help of gas cutting, heating & hammering.
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Crusher drum roll lifting body & crusher drum roll getting out from crusher body with the help of Crain & put into floor ( Crain provide departmentally )
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Crusher drum roll damaged spliend shaft assembly with flange dismantling from crusher roll with the help of hydraulic jack, gas heating, pulling & removing (L.H & R.H)
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Drilling in drum & broken bolt removing for flange tightening.
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Tapping in drum roll for spliend shaft flange bolting.
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16mm x 140mm H.T Bolts with s/w for flange bolting.
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R.H spliend shaft flange holes O/S boring, new spliend shaft fixing with the help of hydraulic press machine & also four point locking & full round inside & outside four layer steel welding, machining, alignment, bearing size, drilling, tapping
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Roller Bearing 24034 BS.MB.C3 new provide for crusher drum roll assembly.
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Press plate new making & size with seat increasing, boring, drilling for press of 24034EMDI bearings of R.H & L.H
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H.T Bolt 8mm x 30mm for press plate.
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Badly damaged & worn-out bearing housing and body housing back side dust seal seat, bearing color, diameter increasing by welding method full round as required & machining, polishing, alignment setting R.H & L.H
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Bearing cover alignment checking & repairing as required.
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Spliend shaft with flange assembly complete fitting, setting & fixing with the help of hydraulic press jack with bolting & also four point steel jointing welding for extra locking of R.H & L.H.
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Crusher drum roll & lifting body re-assembling in crusher body with the help of Crain (Crain provide departmentally)
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Lifting body of crusher roll re-setting with main body & all four point pins re-fitting, hammering, welding, locking, hydraulic jacks fitting.
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Crusher drum roll assembly R.H & L.H main bearing, bearing hosing, cover, body housing, press plates, bolts re-fitting, assembling, setting with the help of hydraulic jacks, screw jacks & drum roll manually lifting for proper fitting its all attachment & proper alignment, measurement at site.
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Part – C K-800 Gear for Assembly for primary crusher drum roll drive of BWF(zero value)
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K-800 gear box complete assembly dismantling with the help of pullers & hydraulic jacks part by part.
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Gear box all pinions, bearings, bodies, covers complete cleaning & washing for complete checking.
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EN-36 metal Input tail pinion shaft new making as per required and measurement for K-800 Gear Box
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EN-36 metal 2nd motion shaft bevel pinoin new making as per required and measurement match with tail pinoin for K-800 Gear box
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Lower & Upper body 2nd motion shaft damaged bearing seat repairing by C.I buildup and shaping by hand grinding machine as required.
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Gear Box input shaft bearing cover new making with cast steel casting, machining, drilling, tapping, grooving, sizing.
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Gear Box 2nd & 3rd motion shaft bearing cover new making with cast steel casting, machining, drilling, tapping, grooving, sizing.
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Input shaft oil seal new provide
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Output shaft oil seal new provide
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Gear box repair kit like as ‘O’ ring, gasket packing, lock, body threads cleaning, surface polishing, bolts, nuts.
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Complete gear box assembly all pinions re-fitting, assembling, tightening, bearing setting, pinions matching & commissioning, trail testing.
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Cast Steel casting pair of Jaw Coupling set new making for Gear Box & attached Motor assembly.
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Spider Rubber new provide for above Jaw coupling set of SMD-9
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Part – D Conveyor chain drive shaft assembly including dismantling & assembling work done at site.(zero value)
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Drive shaft complete assembly including bearing housing, bearing cover, bearings, shaft dismantling from machine at site in part-part for repairing & rectification work.
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Drive shaft both ends badly damaged & worn-out bearing seat full round multi layer welding & machining as per std size of 23936 Double raw roller bearing size.
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Drive shaft both end damaged & worn-out false place/bearing stopper full round multi layer welding & machining as required.
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Drive shaft dust seal plate inbuilt with drive shaft badly damaged & worn-out seat re- buildup multi layer full round & machining, dust sealing colors increasing as required.
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Double Raw Roller Bearing No-23936S.MB.C3 new provides.
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Drive shaft bearing housing new M.S casting as per required measurement & casting, machining, bearing seat making, flange making, dust seal making with drilling, tapping, bearing step (Stopper) making.
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Drive shaft complete assembly including bearing housing, bearing cover, assembling, setting with proper alignment, adjustment, commissioning work done at machine site.
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Part – E Conveyor chain Tail End shaft assembly of BWF(zero value)
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Dismantling of all components from tail end assembly with complete rust & dust cleaning, checking.
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Tail End both side damaged & worn-out bearing seat welding & machining in std size.
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Tail End both side damaged & worn-out dust seal seat welding & machining in std size.
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Tail End Hollow shaft damaged & worn-out sprocket seat repairing by welding & machining as per sprocket shaft size & sprocket fitting by hydraulic press machine & alignment setting on lathe machine & after alignment full round triple layer welding by special jointing steel electrodes
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Bearing press ring & press plate new making as per required measurement.
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Tail End shaft Gun metal bush bearing new making & fixing in housing with locking.
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Badly damaged & worn-out bearing housing back side dust seal seat, bearing color, diameter increasing by welding method full round as per required & machining, polishing, alignment setting L.H & R.H
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Re- assembling of tail end shaft assembly with all components & accessories.
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Part – F KST-IV-30 Model Conveyor chain drive Gear Box assembly of BWF(zero value)
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KST-IV-30 gear box complete assembly dismantling with the help of pullers & hydraulic jacks part by part.
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Gear box all pinions, bearings, bodies, covers complete cleaning & washing for throughout checking.
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Final drive Hollow Spline output shaft new making as per measurement size with bearing seats, oil seal seat, key ways, internal pinion teeth with EN-36 round steel material.
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Gear box 1st motion pinion bearing cover new making with cast steel casting, machining, drilling, tapping, grooving, sizing.
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Input shaft oil seal new supply & fixing.
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Output shaft oil seal new supply & fixing.
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KST-iv-30 Gear box repair kit like ‘O’ ring, gasket packing and locks. Body threads cleaning, surface polishing, new bearing cover bolts in place of damaged one.
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Complete gear box assembly all pinions re-fitting, assembling, tightening, bearing setting, pinions matching & commissioning, trail testing.
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Total impact of GST for the purpose of CTC
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