btps - chp - engaging of 02no back hoe loader type excavator machines of engine capacity not less than 48hp for clearing of grid jams at wagon tippler-1&2 and on track hopper-1a&1b grids for facilitating further unloading of coal tippers and also for removal of spilled over coal while unloading of coal trucks, pouring back the same into the respective grids and also for clearing the chain conveyor jams at contingency arrangement-1&2 on round the clock basis for arranging uninterrupted coal feeding to the units-1,2,3&4 of btps for the period of 45 days from 07.09.2024 or from the actual date of commencement of work.