Press NIT No.26 Item No. 02 (2023-24)

Hiring crane operator for operation of gantry crane for taking out and placement of stop log gates in position of different grooves of weir side gate no 14 and 15 as per requirement with the help of divers to carry out various works under deep water on stop log gate at Yamuna barrage. The work includes cleaning the surface, removing the silt in upstream side of weir side no 14and 15of the bend grooves of both the ends where stop log gate is to be rest under deep water, which includes lowering/lifting of log gates by making proper arrangement of lifting boom, changing of hook of hunger of gantry crane under deep water with the help of other equipment that are required at the site and when the same is rest under the bend of the grooves the sealing/making leak proof of stop log gates is to be done under deep water with the help of the weir side gate no 14 and 15 divers with crane operating staff so that work of painting should be carried out in the under sluice barrage gates. The stop log etc should be removed after completion . The divers team should be equipped with diving equipment such as Diving air control panel, Diving suit, Compressor, Oxygen cylinder etc and other under water equipment required at site i/c Rope and Gunny Bag as per direction of Expert Graduate Engineer(expert in under water) incharge.

Providing and fixing scaffolding system/temporary working platform on the deep water for Sand blasting/cleaning, priming and painting work of under sluice gate of barrage made with 40 mm dia M.S. tube 1.5m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps with bamboos,strip,rope made by expert labour of under water with all safety measure used like Boat, life jacket, Oxygen cylinder,. and maintaining it in a serviceable condition for the required duration as approved and removing it there after .The scaffolding system shall be stiffened with bracings, runners, connection on the deep water surface etc wherever required for inspection of work at required locations with essential safety features for the workmen etc.complete as per directions and approval of Engineer-in-charge with own boat.

Dismantling steel work and removing roller and other mechanical part for repair supporting steel of gate including dismembering and stacking within store and dry portion through Boat and under water expert labour.

Dismantling of high capacity of steel wire rope both end socket for rope drum box to shutter, and Counter weight of gate to rope counter weight at Wazirabad Barrage including cost of dismantling of Fish plate of gate and fish plate of wheel track.

Replacement of high capacity of steel wire rope both end socket for rope drum box to shutter, and Counter weight of gate to rope counter weight at Wazirabad Barrage Delhi, including all cost of Material, Labor and T&P etc of weir side gate no14 and 15 including socket. Including cost of Mild steel fish plate and wheel fish plate of counter weight and nuts bolts.

Providing/Fixing side and bottom rubber seal as per sample.

Replacement and improvement of CI Big collar, oil seal, wheel track pin, guide shoes sleeves with nut and EN-Sleeves Pin, cover plate as per sample

Providing/Fixing Bearing No.30219 . Djb approved.

Providing and fixing High tensile GI nut bolts as per sample for replacement of Rubber seal as per sample.16x75

Commissioning, testing and loading of gate and testing with steel wire rope on counter weight during opening and closing the weir side gate no.14 and 15.

Cleaning of exposed steel structure surface back and front plate of weir side gate no 14and 15 sticking material including loose and foreign material by sand blasting with coarse sand followed by and including cleaning with oil free air blast as per direction of Engineer in charge.

Priming coats with over the prepared surfaces one,coat of Inorganic zinc silicate (Preferably airless spray) should be applied giving a dry film thickness of 70 + 5 microns. Alternatively two coats of zinc rich primer (containing not less than 85% zinc on dry film) should be applied to give a total dry film thickness of 70 f 5 microns. For Weir side gate 14 and 15. As per Painting of Barrage gates IS CODE IS 14177

Finishing coat should consist of two coats of solvent less coaltar epoxy paint. These should be applied at an interval of 24 hours. Each coat should give a minimum dry film thickness of 150 + 5 microns. The total dry film thickness of all the coats including primer coating should not be less than350 microns For Weir side gate 14 and 15. as per Painting of Barrage gates IS CODE IS 14177

Raghunath Rubber Industries