Replacement and fabrication of damaged D11 gate I, D15 at RD 54762 , D16 at RD 57927 installed on MRC canal, repairs to electric substation installed at lift irrigation station Sai and annual periodical maintenance of D11 (II), D12 at RD 43744, and

Amount

D-11 gates ( I ) :- Dismantling of damaged winch machine, installed on canal from its hoisting. Dismantling of both gates by removing damaged structure and gate from canal by way of cutting with gas cutter. Fabrication of one number leaf of gate -54 inches x 48 inches by way of fabrication of inner frame from ISMC 75 channel by way of cutting/ welding using quality welding electrodes at workshop. Providing and welding of 4-5 mm thick MS sheet over the frame of channel structure and finishing the gate structure. Fabrication, Providing and fitting of 3 ton capacity manually operated, worm gear type winch machine with base plate of suitable size and one number stem rod duly treaded along its length for up and down moment of gate. Job includes drilling of holes on top hoisting channels, base plate for fixing winch machine and stem rod. Painting of winch machine and gate with one coat of good quality metal primer and coat of paint ( Nerolec/ Asian paint/ Berger Paint). The job includes cost of material and chargers for skilled manual labour, crane, tools and tackles required for the job, transportation and civil works required during execution of job. Note:- The tenderers are requested to visit the site and quote the rate as per site conditions. Any modifications/ alterations of the job, absolutely necessary if required at the time of execution may be done as per actual site conditions. D-15 (Shibu chak) RD 54762:- Dismantling of damaged winch machine, stem rod from the gate, Extraction of leaf of the gate from canal with crane/ tripod. Fabrication of one number leaf of gate -64 inches x 38 inches by way of fabrication of inner frame from ISMC 75 channel by way of cutting/ welding using quality welding electrodes at workshop. Providing and welding of 4-5 mm thick MS sheet over the frame of channel structure and finishing the gate structure. Replacement of damaged components of 5 ton capacity winch machine by removing the old grease and washing / cleaning with kerosene oil or any other solvent to make it dust free. Extracting the bearings and gear mechanism from winch machine. Replacement of bearings and then greasing & oiling using ISI mark standard quality grease for smooth, easy up and down moment of gate.. Connecting the stem rod with leaf of gate with bolt and nut. Checking for up and down movement of gate. Painting of winch machine , leaf and gate structure with one coat of red oxide primer and coat of paint. Job includes cost of material, tools and tackles, transportation charges, cost of welding, manual labor. D-16 (Kathar) RD 57927 :- Dismantling of damaged stem rod from the gate, completely dismantling of winch machine and stem rod from the gate structure. Extraction of leaf of the gate from canal with crane/ tripod. Fabrication of one number leaf of gate -40 inches x 30 inches by way of fabrication of inner frame from ISMC 75 channel by way of cutting/ welding using quality welding electrodes at workshop. Providing and welding of 5 mm thick MS sheet over the frame of channel structure and finishing the gate structure. Replacement of damaged components of 2 ton capacity winch machine by removing the old grease and washing / cleaning with kerosene oil or any other solvent to make it dust free. Extracting the bearings and gear mechanism from winch machine. Replacement of bearings and then greasing & oiling using ISI mark standard quality grease for smooth, easy up and down moment of gate. Providing and fitting and welding of rain pipe over the winch machine. Connecting the stem rod with leaf of gate with bolt and nut. Checking for up and down movement of gate. Painting of winch machine , leaf and gate structure with one coat of red oxide primer and coat of paint. Job includes cost of material, tools and tackles, transportation charges, cost of welding, manual labor.

Rebate on Old Parts

Shifting of 250 kva transformer by way of disconnecting of the electric transformer from the input and output power connections, lifting of electric transformer from its installed position by using manual labour, crane and then shifting to workshop by using carriage vehicle. Repairs to 250 kva transformer installed at Lift irrigation station Sai by way of dismantling of the transformer at workshop and extracting out the damaged coils, LT bushes, HT bushes, HT bush rods, LT bush rods and gasket. Repairs to the cooling fins of transformer by welding damaged and leaking portions. Rewinding of three number HT legs coils 12 number coils with standard gauge wire with proper insulation & taping. Reconditioning of three no’s LT leg coils using quality insulation material. Repairs to core of transformer by replacing the flashed core material. Heating to repaired transformer in oven to get required meager value. Properly cleaning the oil tank with scrubbers to remove all carbon deposits. Lowering of the coils inside the sump of the transformer. Providing and fitting of LT bush, HT bush, LT bush rods and HT bush rod sets, new insulator, and sundry items. Refitting of the top cover of transformer by providing and fitting of new gasket sheet. Providing/ filling of 150 liters of fresh transformer oil in oil tank. Testing the continuity of each phase and secure all connection. Shifting back after carrying out repaired transformer to site. Complete job includes cost of material, installation charges and skilled labour charges ,loading and un-loading of transformer at LIS Sai and workshop, carriage charges of vehicle (to & fro), testing on no load/ full load , tools & tackles, hire charges of crane.

Rebate on Old Parts

D-11 gates (II ) :- Dismantling of damaged winch machine, installed on canal from its hoisting. Dismantling of both gates by removing damaged structure and gate from canal by way of cutting with gas cutter. Connecting the stem rod with leaf of gate with quality bolt and nut. Repairs to the leaf of gate by welding at worn out portions of the skin plate with quality MS electrodes Servicing of the 3 ton capacity winch machine by removing the old grease and washing / cleaning with kerosene oil or any other solvent to make it dust free. Extracting the bearings and gear mechanism from winch machine. Replacement of bearings, worm, worm gear and then greasing & oiling using ISI mark standard quality grease for smooth, easy up and down moment of gate. Providing and fitting and welding of rain pipe over the winch machine. Reinstallation of the repaired gate and winch machine at site and checking the up and down moment. Removal of old paint of both gates by sand paper and painting of winch machine and gate with one coat of good quality metal primer and coat of paint ( Nerolec/ Asian paint/ Berger Paint). The job includes cost of material and chargers for skilled manual labour, crane, tools and tackles required for the job, transportation and civil works required during execution of job. Note:- The tenderers are requested to visit the site and quote the rate as per site conditions. Any modifications/ alterations of the job, absolutely necessary if required at the time of execution may be done as per actual site conditions. D 12 (5 ft x 2.5 ft) RD 43744:- Repair to gate by way of extracting the gate outside the frame using crane, manual labour after dismantling spindle/stem rod and outer assembly of the gate. Shifting of the gate and winch mechanism to workshop for repairs using manual labour and carriage vehicle. Repair to stem rod with turning of outer square threads as per the size. Fabrication of new stem rod nut with internal threading of same pitch as stem rod and outer arm supports to be fitted in outer body of the winch machine. Repairs to the connecting mechanism by providing and replacement of new studs. Repairs to the leaf of the gate by straightening on heavy duty hydraulic press, replacement of lower support of the gate, welding at worn out portions of the skin plate with quality MS electrodes. Servicing of the winch machine by removing the old grease and washing / cleaning with kerosene oil or any other solvent to make it dust free and then greasing & oiling using ISI mark standard quality grease for smooth, easy up and down moment of gate. Removal of old paint by sand paper and painting of both winch machine and gate with one coat of metal primer and coat of paint. Reinstallation of the repaired gate at site and checking the up and down moment. The job includes cost of material and chargers for skilled manual labour, crane, tools and tackles required for the job. Defense ditch gate (RD 58640):- Annual periodical maintenance of gate by way of extracting the gate outside the frame using manual labour after dismantling spindle/stem rod and outer assembly of the gate. Repairs to the leaf of the gate by welding at worn out portions of the skin plate with quality MS electrodes. Servicing of the 2 ton capacity winch machine by removing the old grease and washing / cleaning with kerosene oil or any other solvent to make it dust free. Extracting the bearings and gear mechanism from winch machine. Replacement of bearings and then greasing & oiling using ISI mark standard quality grease for smooth, easy up and down moment of gate. Reinstallation of the repaired gate and winch machine at site and checking the up and down moment. Removal of old paint by sand paper and painting of both winch machine and gate with one coat of metal primer and coats of paint ( Nerolec/ Asian paint/ Berger Paint). Reinstallation of the repaired gate at site and checking the up and down moment. The job includes cost of material, skilled manual labour, tools and tackles required for the job.

Rebate on Old Parts

NATIONAL ELECTRO-MECH COMPANY

GANPATI ELECTRICAL AND MECHANICAL WORKS

Rishabh Electricals and Mechanical Works

M/S NARESH MECHANICAL AND ELECTRICAL ENGINEERING WORKS