tender for charges for complete dismantling of chain & sprockets, bearings with plummer block, supporting structure, driven shaft with pinion etc., in traction drive mechanism in traction drive assembly and decoupling of gearbox from motor for overhauling of gearbox and after completion of gearbox overhauling, assembling of chain and its sprockets, pinion with traction drive assembly and coupling of gearbox with motor. , charges for renewal of traction drive driven shaft bearings along with plummer block including attending minor defects in the shaft and assembling back in traction drive assembly , charges for dismantling cleaning, inspection, renewal of bearings & other spares of flocculator drive gearbox, traction drive gear box if necessary & reassembling the same and conducting of trail run and checking the operation of flocculator drive and traction drive assembly in clarifier-i. , consumables and t&p cost for sl.no. 1 to 3