NIT No. 20 Item No. 02 (2022-23)

Hiring crane operator for operation of gantry crane for taking out and placement of stop log gates in position of different grooves of Under Sluice Gate No 12 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 Under Sluice Gate No 12 of 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 Under Sluice Gate No 12 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 Gradute Engineer(exper in under water) encharge.

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 Engineerin-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.

Manufacturing supplying of high capacity of steel wire rope with both end socket for Balance box to shutter, at Wazirabad Barrage Delhi, including all cost of Material, Labor and T&P etc of Under Sluice Gate No 12 including socket.

Providing and fixing of steel wire rope with both end socket for rope drum to Shutter at Wazirabad Barrage at Wazirabad Barrage Delhi, including all cost of Material , Labor and T&P etc. including 2 coat layer of Cadium compound including labour & T&P.

Cleaning of exposed steel structure surface back and front plate of Under Sluice Gate No 12 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.

Applying priming coats with primer of approved brand and manufacture, having low VOC (Volatile Organic Compound ) content. 13.85.1 With ready mixed pink or grey primer on wood work (hard and soft wood) having VOC content less than 50 grams/ litre sqm

Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriatepriming coat, preparation of surface, etc. complete. 13.52.1 On steel work sqm

Providing and fixing of new gear shaft with small pinion as per sample complete in all respect and replacement of brake shoes, Replacement complete electric wiring in gear box and respiring break assembly.

Supply of bearing No 6315/C4 skf/fag/ DJB Approved.

Suply of bearing No 6312m/C3 skf/fag/ DJB Approved.

Supply of bearing No 6308 2RS1 skf/fag/ DJB Approved

Supply of Oil Seal.

P/F of hardware item like nut bolt of various size as per sample and requirement.

Assembling of complete gear box packing greasing and fixing of both end shaft of with of C.I coupling and bolt.

Providing MS Gear box cover as per sample with premiering and painting by epoxy paint.

Complete overhauling af all the moving and strategic part of the shaft and pinion of the gear box attested to it with the help of grease gun nipple labour as per required at site.

Dismantling of Gear Box by removing both end coupling nd taking out complete shaft from the barrage gates by removing the thrust block by heavy labour an special type lifting arrangement and removing gear box from top halves by removing of both from the bottom help of body gear box.

Removing of Gear box bearing end cover and bearing on both side bearing housing and by hammering arrangement.

Repairing of pinion shaft and teeth by remitting with special type alloy steel welding rods and making teeth by grinding to make proper shape and size and shaft by machining and grinding of shaft etc as required.

Removing/fitting the two rod of gear box from its joint with help of heavy and after making necessary alignment from the hydraulic press and complete grinding, welding and after oiling and greasing work required for refitting the same complete in all respects for required at site.

Testing and commissioning the Under Sluice gate no12 .

Raghunath Rubber Industries