annual maintenance contract for conveyors , equipment auxiliaries in chp - part-a ( preventive maintenance of conveyors ) 2 preventive maintenance of conveyors ( monthly ) 3 pm lubrication of conveyors ( bi-monthly ) 4 pm checks of travelling tripper ( monthly ) 5 preventive maintenance of crushers ( monthly ) 6 preventive maintenance of vsfs ( monthly ) 7 preventive maintenance of ilms ( quarterly ) 8 major preventive maintenance of conveyors ( yearly ) 9 part-b ( minor maintenance of conveyors and auxiliary equipments ) 10 type-1 maintenace works for conveyor and auxiliaries ( with consumables ) 11 type-2 maintenace works for conveyor and auxiliaries ( without consumables ) 12 type-3 maintenace works for conveyor and auxiliaries ( with consumables ) 13 type-4 maintenace works for conveyor and auxiliaries ( without consumables ) 14 type-5 maintenace works for conveyor and auxiliaries ( with consumables ) 15 type-6 maintenace works for conveyor and auxiliaries ( without consumables ) 16 part-c ( major maintenance of conveyors and auxiliary equipments ) 17 type-7 maintenance works for conveyors and auxiliaries 18 type-8 maintenance works for conveyors and auxiliaries 19 maintenance monitoring works during night shifts, sundays, public holidays& exigencies 20 crusher rotor complete set of old discs dismantling ( or ) crusher rotor complete set new discs assembling 21 hgtu counter weight structure inspection & strengthening works 22 part-d ( steel fabrication and replacement in conveyor and auxiliary ) 23 seal / deck plate / chequered plate / hr sheets replacement upto 6mm thickness. 24 chute plates replacement upto 40mm thickness & misc. stuctural works. 25 technological structure works with any section and other structural works 26 major fabrication & replacement works 27 part-e ( idler / idler frame replacement and reconditioning works ) 28 carrying idler replacement ( 700mm / 800mm length ) 29 return idler replacement ( 1000mm / 1200mm / 2000mm / 2400mm length ) 30 impact idler replacement ( 700mm / 800mm length ) 31 carrying idler frame replacement 32 return idler frame replacement ( two piece / self –aligning type ) 33 impact idler frame replacement 34 reconditioning of carrying and return idler 35 idler frame reconditioning 36 painting of conveyors equipments and auxliaries 37 deployment of qualified safety superviser 38 crusher rotor lifting and shifting ( including 100 ton crane )