| 2 | a) Distributory Gate of Belicharana(5’-3” X 9’-10”)Annual periodical maintenance to the gate. by way of dismantling of manually operated winch machine of 10ton capacity by unscrewing / cutting of rusted nuts and bolts,. Unscrewing the rain protection pipe bydismantling the top cover plate of winch machine. Extracting the gear mechanism and stem rod and cleaning the gear mechanism with appropriate cleaning agent. Straightening of stem rod as per the requirement for its proper alignment with the gear mechanism. Assembling back the winch machine after greasing it properly. Repair to winch machine by way of grinding, cutting and remetaling along with providing suitable metal shims for proper alignment of winch machine with leaf, Connecting the stem rod to the gate structure and applying of grease to its threads. Lifting the gate to its maximum height to apply the grease to the sliding grooves. Providing & fitting of 01 No. worm gear as per sample, nut, bolts, and washers straightening of the stem rod at workshop by heating and then pressing with due mechanical processes, Cleaning of gate surfaces with sand paper and making the surface smooth. Complete painting of gate structure, hoisting channel and winch machine with one coat of anti-corrosive primer and two coats of superior quality paint Oiling/greasing of the movable parts. Checking the up and down movement of the gate. Complete job includes cost of material, tripod charges, hire charges of tools & tackles and charges on a/c of skilled labour required for execution of workb) Escape Gates of Belicharana (5’-3” X 9’-10”)Extracting the gear mechanism .Servicing/Repairs to winch machine by way of dismantling it from the frame channel of gate by unscrewing it ,taking it to workshop in mechanical transport and fitting of metal shims by way of grinding the surface of winch machine and welding it to obstruct the translational motion of worm ,adjustment of winch machine by rotating it fitting at suitable position, boring the hole of suitable diameter on channel to accommodate nut and bolt assembly on new 10 mm base plate also includes drilling of holes on it , fitting of winch machine and fitting of new main gear & oiling using standard quality grease after removing the old grease and washing cleaning with kerosene oil or any other solvent to make it dust free. The job includes replacement of nut bolts. Straightening and increasing the length of the stem rod by welding new rod at workshop and heating and then pressing with due mechanical processes, job also includes making provision in rain pipe to accommodate for increasing the height of winch machine .Cleaning the guide channels with kerosene oil to make it dust free and then greasing it. Job also includes complete painting of winch machine and gate by cleaning the surface by sand paper, scratching the surface of gate to make it smooth and applying two coats of paint, checking the up and down movement of gate. providing of new gate handles, bearings. The job includes cost of material, checking the up and down movement of gate hires charges of crane and other tools and tackles required for the job including labour charges. Complete job 03 Nosc)Gate of belicharana D 9A new (6’-3” X 6’-11”) Extracting the gear mechanism. Servicing/Repairs to winch machine by way of dismantling it from the frame channel of gate by unscrewing it , greasing & oiling using standard quality grease after removing the old grease and washing cleaning with kerosene oil or any other solvent to make it dust free. . Cleaning the guide channels with kerosene oil to make it dust free and then greasing it. complete painting of winch machine and gate by cleaning the surface by sand paper, scratching the surface of gate to make it smooth and applying two coats of paint, checking the up and down movement of gate .providing of new gate handles, protection box fabricated out of MS sheet , bearings and repair to gate sheet by welding. Straightening of the stem rod at workshop by heating and then pressing with due mechanical processes The job includes cost of material, checking the up and down movement of gate hires charges of crane and other tools and tackles required for the job including labour chargesd) Cross Gates of Belicharana(5\"7\"× 9\"-10\")Extracting the gear mechanism. Servicing/Repairs to winch machine by way of dismantling it from the frame channel of gate by unscrewing it , greasing & oiling using standard quality grease after removing the old grease and washing cleaning with kerosene oil or any other solvent to make it dust free. The job includes replacement of nut bolts and bearings. Repair to winch machine by way of grinding, cutting and remetalling along with providing suitable metal shims for proper alignment of winch machine with leaf,providing of new gate handles, bearings. Straighteningof the stem rod at workshop and heating and then pressing with due mechanical processes ,.Cleaning the guide channels with kerosene oil to make it dust free and then greasing it. complete painting of winch machine and gate by cleaning the surface by sand paper, scratching the surface of gate to make it smooth and applying two coats of paint, checking the up and down movement of gate .The job includes cost of material, checking the up and down movement of gate hires charges of crane and other tools and tackles required for the job including labour charges.e) Gate of belicharana D 9A (5\"7\"× 6\"-11\")Extracting the gear mechanism .Servicing/Repairs to winch machine by way of dismantling it from the frame channel of gate by unscrewing it , greasing & oiling using standard quality grease after removing the old grease and washing cleaning with kerosene oil or any other solvent to make it dust free. taking it to workshop in mechanical transport and fitting of metal shims by way of grinding the surface of winch machine and welding it to obstruct the translational motion of worm and fitting of new bearing .The job includes replacement of nut bolts , bearing and new L type hookes with proper centering at gate leaf by way of welding along with suitable support at gate leaf , Straightening of the stem rod at workshop by heating and then pressing with due mechanical processes ,Cleaning the guide channels with kerosene oil to make it dust free and then greasing it. complete painting of winch machine and gate by cleaning the surface by sand paper, scratching the surface of gate to make it smooth and applying two coats of paint, checking the up and down movement of gate .The job includes cost of material, checking the up and down movement of gate hires charges of crane and other tools and tackles required for the job including labour charges |
