repairing, rectification and maintenance of primary and secondary crusher drum roll assemblies with spares BLACK DIAMOND make Feeder Breaker (Machine No-04) installed at Tarmi siding in respect of SDOCM, Dhori Area.

Amount

Part-A (Secondary crusher drum roll assembly repairing, rectification & maintenance with spares of Both roll-No-01 & 02)

Dismantling of secondary crusher drum roll drive motor, drive pulley, adjusting studs,, block bolts, cover bolts with the help of gas cutting, welding, hydraulic jacks, pulling, pushing with skilled fitters & labour.

Lifting of secondary crusher roll manually with the help of Hydraulic Jacks, Screw Jacks system and providing proper supporting for drawing out the bearings of both drum roll.

D.E & N.D.E main bearing removing by pulling with the help of pullers of both drum roll.

Drum roll shaft damaged & worn-out bearing seat repairing by full round steel metal filling by welding method & roundness grinding & shaping as required & polishing by failing & amri paper with the help of hand grinding machine at site of both drum roll both side.

Double raw roller bearing No-23136E1A.M.C3 new provide for drum roll (out of 04nos bearing)

D.E & N.D.E side C.S casting bearing housing inner & outer cover new making with casting, machining, drilling, dust sealing groove making tapping both side of both drum roll. (out of 08nos housing)

D.E & N.D.E side C.I. Casting Inner & Outer side bearing dust seal new making with casting & machining, groove cutting both side of both drum roll.

Damaged & worn-out bearing housing back side dust seal seat, color, diameter increasing by welding full round as per required & machining, polishing, alignment setting for DE & NDE of both drum roll.

D.E & N.D.E bearings re-fitting and setting in shaft at site with misalign drum roll re-alignment & re-shifting with the help of hydraulic jacks of both roll.

Both end main bearing cleaning, dust seal seat cleaning, drum roll shaft cleaning and after repairing greasing of bearings with housing of both drum roll.

Crusher drum roll housing/block adjusting jack screw shaft new making as per required size & measurement in full thread with one end seat & other end head for D.E & N.D.E side of both drum roll.

Heavy duty check nut & lock nut new making for above block jack screw of both roll.

30mm x100mm H.T block bolts new with nut and spring washer for both roll.

Re-assembling of blocks, bearing housing cover, cover bolts, adjusting jack screw, drive pulley & proper alignment setting with the help of gas cutting, welding, chain block, hydraulic jacks, pulling, pushing with skilled fitters & labour of both secondary crusher drum roll.

Fabricating Hardness metal picks as per required size & shape and also hard facing welding and fixing with both secondary crusher drum roll with full triple layer welding by special jointing steel electrodes

Part-B (Repairing, rectification, maintenance with spares of Primary crusher drum roll assembly.)

Dismantling of primary crusher drum roll support plates, drive and non drive end bearing blocks, dust seals, side plate, C.R. Wall cover, block bolts for removing & shifting of drum roll for changing of damaged bearings

Bearing removing by with the help of puller.

Lifting of crusher drum roll manually with the help of hydraulic and screw jacks system along with fabrication of supports for resting of 5.5 M.T crusher drum firmly at a particular height for safe working.

Bearing adjusting cut ring new fabrication as per the dimensions or requirement of bearing & bearing block.

Double Row Roller Bearing No-23044K.MB.C3 new providing.

New sleeve with check nut & lock washer as per the size of 23044K.MB.C3 Bearing.

Both end bearing fitting & setting in shaft at site with drum roll re-alignment & balancing by water level & spirit level as per the requirement, including setting of dust seal of bearings at the time of fixing of drum roll.

Damaged & worn-out both end bearing housing back side dust seal seat & bearing color repairing work by full round metal filling using welding method, machining, polishing work for getting actual size as per the dimension.

Re-assembling of primary crusher drum roll both end bearing housings, bearing blocks, side cover, top cover, support plates and block bolts.

Total impact of GST for the purpose of CTC

M/S KULDEEP ENGINEERING WORKS (BID ID -1126364)