Restoration by repair/ strengthening /cleaning of 06 cusecs HC Pump and Restoration by impregnation / strengthening of 200 HP induction along with allied works installed at LIS Ambaran. MID/AN/47

Decoupling of 06 cusecs HC pump at LIS Ambaran from the motor assembly, suction and delivery lines by unfastening the foundation bolts. Carriage of the dismantled 06 cusecs HC pump to the nearest roadside, using manual labour and head load, loading in transport vehicle, carriage to the workshop in the mechanical transport for repairs. The job includes repair of 06 cusecs HC Pump at workshop by way of disassembling and extraction of the damaged internal parts. Disassembling the pump by removing the bearing cups, body brackets, top cover housings and gland bracket, taking out rotating assembly and proper cleansing to remove silt/ dust material. Providing and Fitting of new pump shaft. Rebuilding of impeller by way of welding at corroded spots of blade profiles and its subsequent finishing with the help of hand/pencil grinder. Providing and fitting of new bush, new check nut, new gland rings, new bearings as per sample, new studs/bolts on it, applying sufficient amount of grease to avoid excessive wear and tear, gland packing as per requirement, complete assembly of pump set after carrying out necessary repairs. Providing and fitting of coupling bolts with rubber bush as per sample at site and then making of pump and motor alignment properly. Complete job including cost of material and labour charges etc tools and tackles required during execution of job. Etc. (01 job) Strengthening/ Restoration of the 200 mm dia. sluice valve at workshop by way of disassembling and separating all components such as spindle rod, spindle nut and gate flap C.I gland etc . Providing and fitting of new 80 mm and 100 mm sluice valve . Complete job including cost of material and labour charges etc tools and tackles , welding required during execution of job. Etc.(01 job) Repair to 200 mm dia foot valve of 06 cusec pump which include first disassembling from 200 mm suction pipe and transport the foot valve to workshop for repair work. Revamping of MS Strainer by providing new welded mesh for restriction of floating / suspended trash. Providing of 12 nos. bolts and nuts along with the rubber packing. Reinstalled the repaired foot valve at suction end of 200mm dia pipe. The job include welding of leakages area along suction pipe of 06 cusec pump. Providing and fitting of 05 ton capacity and 06 mtrs lift chain pulley block for shifting of machinery to safe place for execution of work at LIS Ambaran. The job includes the cost of material, head load charges labour charges, welder charges, transportation to and fro, tools and tackles required during execution of the job etc. Complete job. (01 job) Restoration by impregnation/ strengthening of 200 HP induction motor coupled with 06 cusec discharge HC Pump installed at LIS Ambaran. The job involves disconnecting the electrical connections from the main supply and disassembling the motor by unfastening the foundation nuts and bolts and also decoupling from the pump . Then shifting of motor to safer place for execution of work with the help of chain pulley block as per site condition. Complete disassembling of the motor involves extraction of rotor from stator followed by cleaning of stator and rotor using compressed air, organic solvent, CCL4 etc. to remove the dust particles /silt etc..Varnishing the rotor and stator with Dr. Beck compound or equivalent make of varnish in two coats, drying by hot air process. Thereafter checking the IR value using megger meter . Providing and fitting of 02 no. bearings (6319 at non driving end & NU 319 C3 at driving end). Greasing of the bearings properly. Then reassembling of the motor and stator at site Providing/fitting of copper thimbles and brass bolt as per sample which includes crimping. Refitting the motor at its installed position and coupling with pump, making of electrical connections, alignment with pump testing of motor on full load. Complete job includes the cost of material, hiring charges of tools & tackles, to and fro transportation charges from LIS to workshop. Also, labour charges for skilled and semiskilled labour to be employed at site for execution of job . Complete job. (01 job) Providing/Fitting of coupling (as per sample size available at LIS Ambaran) for split casing pump of 06 cusecs capacity along with coupling nuts and bolts with rubber bushes. Complete Job. (01 job)