mtps-ii-chp-ii- routine/preventive maintenance works in stacker cum reclaimers and conveyors - conveyor-8a, 8b, 10a,10b, 11a, 11b, 12a, 12b, 13a, 13b, ttr-1 and 2 flap gates-9,10,11,12,13,14,15,16,17 rbf-8,9,10,11,12, 13, 14, 15,16 and ilms-7,8 in jt-5,4,3,2,1,bunker top, scr-1andii and conveyor-7/1and7/2, conveyor - 9/1,9/2 in scr-i and ii for a period of 83 days from the date of commencement of work. .