Strengthening Renovation of Trash racks strip type and Mesh type installed at downstream sump of LIS Basantpur

Amount

Strip Type trash racks: Extraction of 02 Nos. damaged trash racks of size 4.7X 1.7 m each from downstream bays using chain pulley block and other tool & tackles, removal of worn-out/damaged portions of trash racks by way of cutting and removing these parts using grinders, welding set, gas cutter etc. Fabrication, providing of new members of trash racks out of M.S angle of size 75X75X6mm having total length 35 mtr to form channeled frame structure. The job involves fabrication of 75x10mm size M.S. Flat = 69.60 mtrs for damaged vertical strips in trash Rack-1 & 2 with specified spacing to be welded vertically. Job further involves fabrication providing/ fitting of M.S square bars of size 10 mm= 125 mtr in length for horizontal strips in Trash Rack -no.1 & 2. The job also include strengthening of complete trash racks by welding at various spots, joints etc. The welding should be done by good quality ISI mark welding electrodes, removing of weld deposit with the help of chipping tools, angle grinder to give smooth finish to trash racks. Job further includes complete painting of fabricated and repaired trash racks with one coat of red oxide and two coats of black bitumen paint after proper cleaning with wire brush and emery paper. Lowering of strip type trash racks in bays of upstream sump by way of mechanical means with the help of mechanical crane, chain pully block, heavy duty chain slings, steel wire ropes and skilled labour etc. The complete job includes cost of material, cutting charges of MS, strips and bars with the help of oxy. Acetylene gas cutter, labour charges for the extraction and lowering of trash racks with mechanical means, hire charges of welding set, gas cutter and other tools and tackles required carriage charges of material up to site of work and skilled and unskilled labour charges at site. Mesh Type trash racks:- Extraction of 02 No. damaged trash racks each of size 4.84m X 1.67m from bays of downstream sump, removal of worn-out/damaged portions of trash racks by way of cutting and removing these members using grinders, welding sets, gas cutters etc. Fabrication, providing/fitting of new members of trash racks out of M.S channel of size 100X50 mm ISMC having total length= 11.00 mtr for its frame. The job further involves providing/fitting of M.S round bar of size 10 mm dia having length = 218 mtrs for vertical and horizontal strips in Trash Rack-1 & 2 with specified spacing to be welded vertically and horizontally. Strengthening of complete mesh type trash rack frame structure by welding at various joints/corners etc. Job further includes complete painting of fabricated and repaired trash racks with one coat of red oxide and two coats of black bitumen paint after proper cleaning with wire brush and emery paper than lowering of both mesh type trash racks in the downstream sump of LIS Basantpur with the help of mechanical Crane, chain pully block, heavy duty chain, sling, steel wire ropes and skilled labour etc.The complete job includes cost of material, cutting charges, labour charges for the extraction and lowering of trash racks with the help of mechanical means, hire charges of welding set, gas cutter and other tools and tackles required & skilled and unskilled labour charges at site

M/S HITAISHI ELECTRICALS AND MECHANICAL WORKS

PERFECT ELECTRICAL WORKS

M/S RAGHUNATH MECHANICAL AND ELECTRICAL ENGINEERING WORKS