tender for repairs and maintenance to drr no. 990252 w/s, soil compactor old (ec 5250) , soil compactor new (ec 5250), drr no. 2011673 w/s and drr no. 2010652 w/s pertaining to mechanical and hospital sub-division 1st handwara- (a) drr 990252w/sproviding and fixing of tail piece (male and female) compatible with machine including cost of material, labour, tools, tackles, carriage etc. the work includes removal of worn-out tail pieces, cleaning of seating surfaces, proper alignment and fitting of new tail pieces with allied accessories to ensure leak-proof and vibration-free connection, all complete . 2 repairs to gear box of diesel road roller. the job includes dismantling and dismounting of the gear box from the chassis, draining of gear oil, complete dismantling of all gears, shafts, and related components, thorough cleaning of all parts. necessary repairs such as welding at cracked portions using suitable size cast iron welding electrodes and other allied repair works shall be carried out to restore proper functioning. after repairs, all gears and shafts shall be refitted accurately, gear oil refilled, and the complete assembly refitted to the machine. the job also includes testing for alignment, smooth operation, and leakage, complete in all respects. all tools, tackles, labour, and carriage required for the work shall be provided by the firm. 3 repairs to self starter by way of dismantling of complete self starter assembly from the said machine.the job includes necessary repairs to solenoid switch, replacement of self rocker and soldering wherever required. the job includes providing and fitting of new brush set .after necessary repairs the repaired assembly unit shall be remounted into said vehicle.the job also includes testing of the repaired assembly for proper functioningall the tools/tackles/carriage/labour etc required for the job shall be provided by firm itself. 4 repairs to damaged engine frame of diesel road roller – the job includes dismantling of necessary components to access the damaged portion of the engine frame and preparation of the cracked or broken areas by cleaning and grinding the edges for proper welding. the damaged portions shall be welded using suitable electrodes matching the parent metal, ensuring proper penetration and strength. the work further includes straightening and alignment of the frame, metal build-up or application of reinforcement wherever required to restore original shape and rigidity, and grinding of weld joints to achieve a smooth finish. after completion of welding, the frame shall be reassembled with all removed parts and tested under working conditions for proper alignment and stability. the job includes cost of all materials, labour, tools, tackles, welding equipment, electrodes, and carriage complete in all respects. 5 (b) soil compactor old (ec 5250) & soil compactor new (ec 5250)replacement of fuel return/overflow pipe for soil compactor old (ec 5250). the job includes dismantling and removal of the defective or damaged fuel return/overflow pipe, supply and fitting of a new pipe of suitable size and specification, ensuring proper alignment and leak-proof connections with fuel tank and engine fuel system, and testing for correct fuel circulation and absence of leakage. the work includes the cost of all materials, labour, tools, tackles, and carriage required for the job, complete in all respects 6 replacement of oil seal for front roller of soil compactor new (ec 5250). the work includes dismantling of the front roller assembly, removal of the damaged or worn-out oil seals, cleaning of the seating surface, supply and fitting of a new oil seals of suitable size and specification, reassembly of the front roller, and testing to ensure proper sealing and smooth operation without leakage. the job includes the cost of all materials, labour, tools, tackles, and carriage required for the work, complete in all respects 7 (c) drr no. 2011673 w/srepairs to exhaust silencer of diesel road roller. the job includes dismantling of the silencer, welding of the body using suitable electrodes, grinding and finishing of repaired surfaces, refitting with necessary gaskets and fasteners, and testing for leak-proof operation and proper exhaust flow. the cost of all materials, labour, tools, tackles, welding equipment, and carriage required for the work shall be borne by the firm, complete in all respects. 8 supply and fitting of accelerator cable as per sample, including removal of old & damaged cable, supply of new cable, and proper installation ensuring smooth and responsive throttle operation. the job includes adjustment, lubrication, testing, and securing of the cable along the correct routing path. all materials, tools, consumables, and labour required for complete execution of the work shall be arranged by the contractor. 9 supply and fitting of choke cable as per sample, including removal of old & damaged cable, supply of new cable, and proper installation to ensure smooth operation of the choke mechanism. the job includes adjustment, lubrication, testing, and securing of the cable along the designated routing. all materials, tools, consumables, and labour required for complete execution of the work shall be arranged by the contractor. 10 replacement of oil seals.the work involves removal of worn-out or damaged oil seals, thorough cleaning of seating surfaces, supply and fitting of new oil seals of appropriate size and specification and testing to ensure proper sealing, smooth rotation, and absence of oil leakage. the job includes the cost of all materials, labour, tools, tackles, and carriage required for the work, complete in all respects . 11 (d) drr no. 2010652 w/sproviding and fitting of g.m. pinion hub bush for rear wheels, including turning and finishing of the bush on lathe by an expert lathe technician to match the sample specifications. the job includes removal of the worn-out bush, machining of the new bush, and proper fitting to ensure smooth and trouble-free operation. all tools, tackles, carriage, labour, and consumables required for the completion of the work shall be provided by the contractor. the old material retrieved during the process shall be returned to the sub-division by the contracting agency. 12 repairs to radiator of diesel road roller – the job includes thorough cleaning and washing of the radiator to remove dirt, dust, and other foreign materials from the outer surface of radiator tubes and core. the radiator tubes shall be flushed with a high-pressure water jet mixed with an adequate quantity of caustic solution to remove silt, scale, and other deposits from the internal passages of choked tubes. necessary repairs such as brazing of radiator tubes and upper and lower radiator tanks at required locations and blocking of broken tubes by way of gas welding shall be carried out to restore proper functioning. after completion of repairs, the radiator shall be reassembled, refitted to the machine, and tested under working conditions to ensure there is no leakage and that the cooling system functions efficiently. 13 repairs to self-starter of drr – the job includes dismantling and removal of the self-starter assembly from the machine for thorough inspection and necessary repairs. the work includes repairs to the solenoid switch, replacement of self rocker, cleaning and lubrication of moving parts, soldering of loose connections, and replacement of worn or damaged components wherever required. the job also includes providing and fitting of a new brush set, and checking of the commutator surface for proper contact. after completion of repairs, the entire self-starter assembly shall be reassembled, refitted to the vehicle, and tested for smooth operation. the cost of all materials, labour, tools, tackles, and carriage required for the job shall be borne by the firm, complete in all respects. please enable macros to view boq information