Tender For bid to ras providing of custom bid for services - custom bid for services - hrm assisting in preventive maintenance-1.0 assisting in preventive maintenance in hrm mechanical , the following works are to be carried out through-out the contract period , 2) preventive maintenance jobs based on daily monitoring basis: , a) daily monitoring of all hydraulic pipelines and attending the leakage (fitting changing, damaged , "o" ring changing, pipeline crack welding, etc.). , b) dally monitoring of sm top housing servo valve stand to identify moog & servo valve block , seating 'o' ring damage to avoid oil leakage. , c) daily monitoring of sm equipment like side guide, pinch roll hydraulic cylinder, feed/table roll , rotation, non-rotating rolls for jamming / bearing damage, air leakage identification and arresting. d). daily monitoring of internal cooling valve system condition, removal of steam locking in pipeline , and damaged hose (water) changing. , 2) assisting in mill equipment downtime / delays: , during equipment downtime/delays in hrm mechanical area, proposed man power shall be utilized to restore the mill at the earliest possible time. they will also be utilized for carry out observation / inspection points noted during rolling time to ensure equipment availability. , 3) area jobs (re-heating furnace, roughing mill, steckel mill, down coiler) a) re-heating furnace jobs , 1) rhf charging/discharging gear box connecting drive shaft flange bolts checking/changing. 2) rhf charging/discharging door chain guide roll greasing & chain greasing. , 3) rhf charging/discharging arm gearbox oil level checking & coupling bolts checking. , 4) rhf charging/discharging arm liner bolts tightness checking & replacement. , 5) rhf zone valves (gas & air) servicing & greasing. , 6) any other jobs assigned by qa/ea. , b) roughing mill jobs , 1) rm approach roller table rolls, front and rear mill table rolls, gear coupling welding. , 2) rm edger lower & upper fixed beam fixations changing. , 3) rm edger upper and lower fixed beam worn out portions build up by welding & grinding. , 4) rm main drive spindle balancing guide block fixation checking. , 5) rm main screw down screw clutch spring tension adjusting, cleaning & lubrication. , 6) rm uj joint cover bolts & flange bolts checking & changing. , 7) rm work roll cooling nozzle flushing and changing. , 8) rm work roll wiper pad changing. , 9) cobble pusher arms alignment., 10) cobble pusher extended platform repair work like uprooted support beam, web welding in case of , break down along plate pushing. , 11) crop shear gap/overlap adjusting locks servicing. , 12) crop shear side guide line plate groove welding. , 13) crop shear side guide repositioning during t bar hitting. , 14) any other jobs assigned by oa/ea , c) steckel mill jobs , 1) sm dust removal apron position / welding , 2) sm entry & exit retractable roller table roll cooling pipe checking, damaged pipe changing, both , side vertical apron groove welding, coupling welding. , 3) sm entry/exit side guide cross spray damaged nozzle changing and damaged/uprooted nozzle , block changing/welding. , 4) sm entry/exit cross spray diaphragm valve servicing/changing. , 5) sm entry/exit deflector rolls bearing housing fixation tightening and shim addition. , 6) sm entry/exit flap and bottom plate assembly fixation tightening and elongated bolts changing. 7) sm guide synchronizing shaft fixations checking / changing. , 8) sm main drive shaft cooper bearing fixation tie rod fixation, gulding block bolts tightening , 9) sm pinch roll de-scaler roll to hydraulic cylinder lock checking and welding/changing. , 10) sm pinch roll split apron repositioning & base stool welding. , 11) sm roll cooling flushing by removing all nozzles from zone i & ii & fixing back. , 12) sm wobbler liner plate bolts, wobbler to uj bolts tightening and uj to drive spindle flange bolts , tightening.. , 13) sm work roll
16 Nov, 2024
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