Repair/maintenance of 2 Ton cap. DOL Jogpur gate and Majuaa Minor gate of D-8B installed on Main Tawi Canal and its winch machine including replacement/repairs of its various components/fixtures etc for their continuous and smooth operations

Amount

Repair/maintenance of 2 Ton cap. DOL Jogpur gate installed on Main Tawi Canal and its winch machine including replacement/repairs of its various components/fixtures etc. for their continuous and smooth operationsCutting of Bushes, Removal of garbage, cleaning of area and dismantling and extraction of winch machine(2 ton capacity) installed on the Tawi Canal from its hoisting with the help of necessary tools and tackles, manual labor and other equipments required and shifting all the material from the site to the workshop in a load carrier for the execution of the repair works as mentioned below :-Straightening of the stem rod of 02 ton cap. Winch machine by heat treatment, hammering/power pressing to obtain proper alignment for smooth vertical operation of the gate. Providing and fitting of 01 no. worm gear and 01 no. spur gear as per sample in place of missing/damaged gears. Replacement of damaged/broken/rusted fasteners and 01 no. bearing as per sample. Welding the peripheral joints wherever required along the rain pipe, lower and upper stem rod housing integrated with the gear/junction box for its strengthening. Welding work must be carried out using high quality electrodes conforming to ISI specifications. Grinding and finishing of the welded portion with the help of precession tools in such away so as to remove blow holes, weld deposits, weld residue sharp edges etc. Assembling all the parts of the winch m/c and transporting the repaired gate machine from the workshop to the road side near canal in a load carrier and to the installation site with the help of manual labor and its subsequent installation in their embodiments with the help of necessary tools and tackles and other materials as per the requirement, Oiling and greasing of winch machine, grooves and other moving parts with good quality multi-purpose grease conforming to the standards. The job constitutes skilled and unskilled labor charges, material charges, carriage/transportation charges (to and fro) between site and workshop, loading and unloading charges, hire charges of tools and tackles required for the complete execution of the work.

Repairs to 02 ton capacity gate at Majuaa Minor of D-8B on Tawi Canal .The job includes removal of the trash/garbage/pebbles around the gate structure and dumping it at a suitable place away from the gate structure. Extraction of the gate leaf from the channeled grooves with the help of suitable mechanism, labor etc. and carrying it to the workshop in a mechanical transport for further repairs. The job further constitutes repairs to 02 ton capacity gate leaf by way of dismantling the gate leaf structure with the help of gas cutting and further removal of the bends, straightening of the skin plate by power pressing/hammering etc. and then again welding it back after straightening to constitute the whole gate leaf structure. Minor repairs to the perforated skin plate by way of welding. Welding work should be carried out using good quality electrodes conforming to ISI Standards. Providing of the new complete winch machine (02 ton capacity) comprising of the components such as stem rod, main gear, worm gear, rain protection pipe, 02 No. bearings, upper and lower stem rod housings with integrated gear box, fasteners etc. Transporting the repaired gate leaf structure and new winch machine to the site in a mechanical transport and unloading and fitting of the both in the grooved channel/ hoisting structure by providing fasteners with the help of the labour. Painting of the complete winch machine, hoisting structure and the gate leaf structure with the help of one coat of red oxide steel primer and two coats of anti corrosive paint of light blue color. Application of good quality ISI marked grease of standard quality for the smooth vertical movement of the gate. The job includes transportation charges to and fro, skilled and unskilled labour charges, hire charges of tools and tackles etc. and other equipments required for the complete execution of the job. Complete job.

M/S RAGHUNATH MECHANICAL AND ELECTRICAL ENGINEERING WORKS

NATIONAL ELECTRO-MECH COMPANY