MID/J/138

1)Changia Escape gate at RD7800 on D17 canal (1’6’’ x2’6 ft)Annual periodical maintenance of Changia Gate by way of dismantling of winch machine from the supporting channel and disconnecting the stem rod from the leaf structure then extracting out the gate leaf structure with the help of manual labour using tools and tackles, chain pulley block /crane after removing accumulated mud/silt around the gate leaf. Carriage of gate structure along with winch machine and stem rod to the road side with the help of manual labour using tools and tackles. .Servicing of the 03 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 machines. Greasing & oiling the bearing mechanism using ISI mark standard quality grease for smooth, easy up and down moment of gate. Replacement of nuts and bolts for connecting winch machine with channels installed over the canal. Replacement of nut and bolt connecting stem rod to leaf of gate. Reinstallation of the gate and winch machine at site and checking the up and down moment. Removal of old paint 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) as per prescribed color code for gates.The job includes cost of material, skilled manual labour, crane, welding charges,DG set hire charges, hire charges of tools and tackles required for the job. 2)Changia Head gate at RD7800 on D17 canal Annual periodical maintenance of Changia Head Gate by way of dismantling of winch machine from the supporting channel and disconnecting the stem rod from the leaf structure then extracting out the gate leaf structure with the help of manual labour using tools and tackles, chain pulley block /crane after removing accumulated mud/silt around the gate leaf. Carriage of gate structure along with winch machine and stem rod to the road side with the help of manual labour using tools and tackles. Checking for anyworn out/ damaged portions and welding with double layered welding after properly pressing exposed portions .Servicing of the 03 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 old damaged bearings and gear mechanism from winch machine and replacing with the new one . Greasing & oiling the bearing mechanism using ISI mark standard quality grease for smooth, easy up and down moment of gate. Replacement of nuts and bolts for connecting winch machine with channels installed over the canal. Replacement of nut and bolt connecting stem rod to leaf of gate. Reinstallation of the gate and winch machine at site and checking the up and down moment. Removal of old paint 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) as per prescribed color code for gates.The job includes cost of material, skilled manual labour, crane, welding charges,DG set hire charges, hire charges of tools and tackles required for the job. 3)D-15 at RD 57762 of MRC(5’3’’x 4’) :- Fabrication of escape gate on MRC at Rd 57762 meters at Shibu Chak. Fabrication of leaf structure of size 63 inch x 48 inches (approx) using the ISMC 75 channel size with vertical &horizontal cross members for support by way of cutting as per required size and then welding using superior quality electrodes. The leaf is to be fabricated with 3 number horizontal supports and 3 number vertical supports at equidistance from each other. The supports should be fabricated out of ISMC 75 channel. Providing and welding the MS sheet of 5mm thickness on the frame of fabricated from MS channel Fabrication of L shaped clamps attaching stem rod attachment during up and downward moment of gate. Loading the gate structure on the mechanical transport for carrying to site of installation. Unloading the gate structure at road side then shifting to the site of installation. Fabrication of outer structure of the gate by cutting MS channels ISMC 100 using gas cutting. Providing, fitting and welding of 2 lengths of ISMC 100 channels over the canal to support the winch machine. The channel should be welded and grouted over and inside the groves fabricated in the civil structure. The height for installation of winch machine should be about 7 -8ft from bottom for easy operation and maintenance of the gates. The job includes required civil work for installation and grouting of frame on the structure with M15 grade concrete. Installation of gate structure by way of lowering the leaf structure into the sliding grooves using skilled manual labour using crane. Drilling requisite no. of holes in hoisting channels at site. Fitting of winch machine on the supporting channel and connecting the stem rod to the leaf structure after ensuring the proper alignment/gravity of the gate structure. Complete painting of gate structure with one coat of red oxide primer and superior quality enamel paint ( Asian paints/ Kansai Nerolac paints/ Berger paints). The firm should offer rebate on old parts. 4) D-16 at RD 57927 of MRC(39inches x 30 inches) :- Annual periodical maintenance of D16 gate by way of dismantling of gate lifting mechanism from the supporting channel and disconnecting the stem rod from the leaf structure then extracting out the gate leaf structure with the help of manual labour using tools and tackles, chain pulley block, tripod stand /crane after removing accumulated mud/silt around the gate leaf. Checking for any worn out portions and welding with double layered welding after properly pressing exposed portions. Servicing of 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. Greasing & oiling using ISI mark standard quality grease for smooth, easy up and down moment of gate. Replacement of nuts and bolts for connecting winch machine with channels installed over the canal. Replacement of nut and bolt connecting stem rod to leaf of gate. Reinstallation of the gate and winch machine at site and checking the up and down moment. Removal of old paint 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). Painting must be done on both sides of gate. The job includes cost of material, skilled manual labour, welding charges,DG set hire charges, hire charges of tools and tackles required for the job. 5) Pasgal minor gate at RD 52000 of MRC(4’x4’9’’aprox ):- Annual periodical maintenance of Pasgal minor Gate by way of dismantling of winch machine from the supporting channel and disconnecting the stem rod from the damaged leaf structure then extracting out the gate leaf structure with the help of manual labour using tools and tackles, chain pulley block /crane after removing accumulated mud/silt around the gate leaf. Carriage of gate structure along with winch machine and stem rod to the road side with the help of manual labour using tools and tackles. Checking of leaf of the gate for any mechanical damage and repairs by straightening on heavy duty hydraulic press, welding at worn out portions . Servicing of the 03 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 machines.Greasing & oiling the bearing mechanism using ISI mark standard quality grease for smooth, easy up and down moment of gate. Replacement of nuts and bolts for connecting winch machine with channels installed over the canal. Replacement of nut and bolt connecting stem rod to leaf 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 winch machine and gate with one coat of good quality metal primer and coat of paint ( Nerolec/ Asian paint/ Berger Paint) as per prescribed color code for gates.The job includes cost of material,welding charges ,Dg set hire charges ,carriage charges , skilled manual labour, crane, hire charges of tools and tackles required for the job. 6) Pandorian head gate I and II on MRC at RD 52134 ( 7 ft x 5.5 ft) :- Annual periodical maintenance of Pandorian head gateS by way of dismantling gate lifting mechanism from the supporting channel and disconnecting the stem rod from the leaf structure then extracting out the leaf structures with the help of manual labour using tools and tackles, chain pulley block /crane after removing accumulated mud/silt around the gate leaf to check any damage by carrying to the raodside . Checking for any worn out portions and welding with double layered welding after properly pressing exposed portions. Servicing of the 5 ton capacity winch machines 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. Greasing & oiling using ISI mark standard quality grease for smooth, easy up and down moment of gate. Reinstallation of the gates and winch machines at site and checking the up and down moment. Replacement of nuts and bolts for connecting winch machine with channels installed over the canal. Replacement of nut and bolt connecting stem rod to leaf of gate. Removal of old paint by sand paper and painting of winch machines and gate with one coat of good quality metal primer and coat of paint as per prescribed colour code of gates ( Nerolec / Asian paint/ Berger Paint). Painting must be done on both sides of gate. The job includes cost of material, welding charges,DG set hire charges,skilled manual labour, crane, hire charges of tools and tackles required for the job. The job includes painting of outer structure of gate including stairs, platform ,ralling and other MS structure at site. 7) Pandorian escape gate I (D14 gate) and escape Gate II on MRC at RD 52134 ( 9 ft x 4 ft) :- Annual periodical maintenance of gates by way of dismantling mechanical components of gates such as worm and worm gears, rollers, rack and pinion arrangements. Extracting the gates outside channel grooves imbedded in side concrete walls using crane and manual labour. Checking for any worn out portions and welding with double layered welding after properly pressing exposed portions. Service to rack and pinion arrangement by properly cleaning rack from dust and grease . Repairs to the damaged teeth of rack by welding and grinding of tooth . Repairs to the pinion gear for converting circular motion to linear motion of rack with same pitch circle and module by way of grinding and welding of tooth. Servicing of gear by cleaning the teeth from dust and grease. Greasing & oiling of all moving parts 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 winch machines and gates with coats of metal oxide primer and enamel paint as per the colour code for gates. Reinstallation of the serviced gates and machines at site and checking the up and down moment. The job includes cost of material, skilled manual labour,welding charges,DG set hire charges, hire charges of tools and tackles required for the job. Note:- The tenderers are requested to visit the site and quote the rate including rebate on old parts 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.

Rebate on Old Parts