Details: scope of work for each of the gearbox is as under :-1. dismantling of gearbox cover.2. dismantling of motor pinion shaft & intermediate gear wheel & pinion.3. cleaning of working area.4. plugging of holes on both sides by welding followed by grinding.5. marking the center of holes for drilling followed by thread tapping.6. final finishing of contours & testing.7. repairing of drag/hoist gear box & gear box cover.8. assembling of motor shaft pinion & intermediate gear wheel & pinion.9. fitment of gearbox cover. total labour cost including contractor's profit (exclusive of gst) for complete job as per scope of work and nit total charge(exclusive of gst) for drill & tapping of m20 sized holes (@32 nos. per gearbox) as per scope of work and nit total charge(exclusive of gst) for drill & tapping of m42 sized holes (@8 nos. per gearbox) as per scope of work and nit total charge(exclusive of gst) for hiring of welding machines with accessories for complete job as per scope of work and nit tot
Sector: Mining