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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
Tender For corrigendum : supply and application of insulation and allied material on boiler and its auxilliaries, turbine piping and equipments at ggsstp 4x210mw units - supply & application(including removal of damaged insulation) of lightly resin bonded rockwool confirming to is 8183 latest version on all types of surface of ducts, pipes, tubes, bends of following sizes.(single layer), 75mm thick mattresses density 120kg/m3, 50mm thick mattresses density -do-, 40mm thick mattresses density -do-, 50mm thick mattresses density 150kg/m3, supply & application (including removal of damaged plaster)of 12mm thick hardsetting plaster comprising of asbestos powder and cement over insulation of steam lines, supply & application of plain gi sheet (24 gauge) sheet confirming to is 277 latest version, over insulation to be screwed on the m.s.flat ring with self tapping screws duly joint sealed with sealant & 2 coats of bitumestic paint in inside portion of sheet including any welding work and hardware etc, supply & application of corrugated g.i. sheet (24 gauge) sheet., removal of al /gi/ribbed sheet etc.(all thickness)from all types of ducts,pipes, tubes, dampers and bends etc, application of useable dismentled gi/al/ribbed sheet over insulation to be screwed on the ms.flat rings with self tapping screws duly joint sealed with sealant, screwing, sealing & resetting of already existing al/gi/ribbed sheet including any welding work and hardware etc, to remove, supply and application of pad insulation, then to be covered with gi sheet of 26 swg thickness (gi sheet also to be supplied by contractor) for tg piping & equipment of following thickness:, i) 60mm thickness, ii) 120 mm thickness, iii) 180 mm thickness, supply & application of new g.i. sheet of 26 swg over the existing insulation, to remove existing insulation then supply & application of pad insulation only for tg piping & equipment of following thickness:, i) 60mm thickness, ii) 120 mm thickness, iii) 180 mm thickness, application of reusable removed gi sheets from turbine piping\equipment at ggsstp, repair of spray insulation of hpt, ipt and governing valves casings by supply & application of material., covering insulation mattresses with hard setting plaster comprising of asbestos fluff and cement by supply & application of material.