NIT No. 28 Item No. 3 (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 Under Sluice Gate No 8 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 3 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 8 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 baboos 1.5cm 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 underwater with all safety measures used like Boat, life jacket, Oxygen Cylinder, and maintaining it in a serviceable condition for the required duration as approved and removing it thereafter. 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 atc. Complete as per directions and approval of Engineer in-charge with own boat. For under sluice gates ,for gate no 3 on the high flood discharge in Yamuna river.

Improvement including repair and maintenance in flow of water in Yamuna river barrage gates (u/s no.03 ) comprising of following for closing the under sluice gate no3 (a) Oiling, greasing of all moving and static parts whenever required. (b)oiling greasing and setting hoisting mechanism smooth operation including setting of gear box and Gates.

Taking out of damaged C.I. guide track after cutting, welding and chipping by expert under water labour on framed proper working platform with proper apparatus tools etc. for under sluice gate No. 3

Reparing and Re-fixing the of Guide Track made of C.I. Grade. Size of C.I. Guide Track of size Approx. 3m x 290mm should be made by making on precision heavy duty planner machine on both sides on side Plane and other side to be made sloping. As per rail groove for one side tracking and Boring on boring machine for fixing of SS pin and other drilling of 2 Nos.. The work also include welding, grinding and drilling work also wherever required complete in all respect. For under sluice gates 3(both sides) including the cost of chemical .

Making the alignment with strengthening of gate no 3with replacement of damage mild steel box of rollar as per sample of under sluice Gate 3 with proper with jacking method by expert labour

Replacement of upper damaged cast iron guide shoes of under sluice gate (as per sample ) making arrangement of stop log proper cleaning the groove of gates track by expert under water labour for under sluice gate no.3in flow/pressure of water in Yamuna river barrage. After testing of guide shoes by department approved/govt. laboratory

Replacement of upper damaged cast iron guide shoes of under sluice gate (as per sample ) making arrangement of stop log proper cleaning the groove of gates track by expert under water labour for under sluice gate no.3in flow/pressure of water in Yamuna river barrage. After testing of guide shoes by department approved/govt. laboratory

Raghunath Rubber Industries