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Tender For the scope of work covers perform visual and dimensional inspections of runner, buckets, splitters, and needle impact zones. map and quantify erosion depth, especially on bucket edges, splitter, and cutout. the defects /cracks noticed during dpt (die penetrate test) and ultrasonic test (ut) will be provided and following observations have been noticed. erosions, material wear out and porosity noticed at leading edges, splitter tips, and bucket surfaces. cavitations damages, pitting, surface degradation has been observed in all runner buckets around the splitter leading to material loss at the splitter. cracks have been observed at back of the several runner buckets around splitter and its tips areas. due to cumulative wear, pitting and erosions surface roughness observed. compare worn surfaces to ideal profiles, calculate material to rebuild. material of construction (moc) details of pelton runner to be carried out at certified material testing laboratory or at cmti, bangalore. welding electrode suitable for moc of pelton runner shall be selected. the compatibility certificate for selection of welding electrode from welding electrode manufacturer shall be furnished. material build-up via welding includes deposit weld material to rebuild worn bucket edges, cutouts, and splitters. pre-clean the surface thoroughly to remove contaminants and moisture. preheat the component to specified temperature, and weld with controlled parameters to minimize residual stress and avoid cracking. maintain uniform temperature during welding to prevent residual stress formation and porosity. use filler materials compatible with the base metal as per the moc of pelton runner for enhanced fatigue and erosion resilience. use thermocouples to ensure uniform heating and cooling within limits to avoid unwanted microstructural changes. machining, grinding & polishing after welding, perform milling, grinding and polishing to restore hydrodynamic shape and surface finish for optimal flow and efficiency. after rectifications works, the firm shall conduct pelton runner dpt & ut testing and submit report. the work shall be carried out diligently and as per site requirement. in the event of any dispute, the decision of the engineer in charge of the work shall be final and binding. detailed technical specifications and scope of work/supplies are furnished in section-iii of bid document attached in the e-portal.
Tender For name of the work major overhauling of 02 nos kt1150 engines and 01 novt28 l engine cummin s make of san locomotives assisting for dismantling of kt1150 and vt28 l engines from the locomotives joint inspection of testing of overhauled engines shall be conducted between kpcl representative and firms representative joint inspection report of testing jirt after completion of re assembly shall be furnished to this office joint inspection of testing may be waived off at the discretion of the undersigned but the test report shall be furnished.removal and re installation of engine. this includes the complete procedure of safely removing the engine from the locomotive and, after completion of the necessary repair or overhaul work, re-mounting the engine back into the locomotive. all required tools, fixtures, lifting mechanisms, and safety measures shall be managed by the vendor.engine alignment process the alignment process involves precise positioning and securing of the engine to ensure correct interfacing with the locomotives drivetrain coupling systems, and support structures this includes, but is not limited to mounting of the engine onto the engine bed frame using proper alignment tools and calibrated instruments ensuring parallelism and angular alignment of the engine relative to the transmission or traction system verifying coupling concentricity and ensuring there is no misalignment that may lead to premature wear vibration or operational issues tightening of mounting bolts to specified torque values and rechecking alignment post tightening conducting necessary trial runs and adjustments if any to confirm proper functionality before final handover all the released items shall be returned in separate packing along with overhauled engines to kpcl
Tender For supply of air blower. make - bosch or similar brand, model - professional gbl 650 , l handle 3by4 inch square drive 2753. make- taparia or similar brand , joggle fish plate for uic 60 rail , torque wrench with ratched mechanics 70 nm to 340 nm. , portable track gauge calibration bench for sg 1435mm , p. way workshop kit. model tk-1 , p. way workshop kit. model tk-2 , rail wear measuring gauge rwg 2-02. , mechanical tool box for store work. make - taparia or similar brand , phawarh steel 215mmx230mm, 1.2 kg weight confirming to is 1559-1986 , hammer - 1 lb , hammer sledge - 5 kg , hammer keying - 5 lbs confirming to is 15841 , rail dolley for sg 1435mm. suitable for transporting rail and concrete sleeper , hammer drill machine with drill bits. , hand grinder 100mm. make - bosch or similar brand, model - professional gws 600 , tong rail for lifiting 60 kg rail, confirming to is 6000 of 1971, drg. no. y-25 , t-handle 3 by 4 inch sq. drive, no. 2733. make - taparia or similar brand , straight edge 1 mtr, pie or similar brand , special emergency kit for attending rail fracture , straight edge 10 cm. , c - clamp. make - pujara engineers or similar brand , tappered gauge. material - stainless steel , pick axe with handle , steel pipe wrench 610mm 24 inch length width 30 mm. , 12 inch by 30 cm steel ruler 1 mm thickness , double hexa deep socket 3 by 4 inch drive 39 mm size. , socket 3 by 4 inch sq impact deep 36mm size. , rail roller heavy duty for leading of rail panel. , rail jumper 2 m long. material - copper , tommy bar confirming to is 704 , rail thermometre magnetic base pen type , electronic toe load measuring device. , retro reflective banner flag with clamps , halogen lamps with stand 500 watt , handle for keying hammer. size 70cmx4.5cm , handle for wooden phawrah. size 80cmx4.5cm , hand bambo for rake ballast. size 1.75mx4.5cm , continuous rail thermometer pie or similar brand , impact wrench. make - makita or similar brand, model - tw1000 , j clamp for ballastless track. make - pujara engineers or similar brand , taparia or similar brand bench vice fixed base 100mm //bid details 2 / 36