Tamil Nadu Generation And Distribution Corporation Limited Tender

Charges for reconditioning of drive & non drive end bearing seating area, counter weight seating area of both end, sheave pulley seating area and key way of vibrex screen shaft - Reduce the drive & non drive end bearing seating area dia 155 mm up to 100 mm long, both end counter weight seating area by machining the dia 125 mm up to 120 mm long & sheave pulley seating area by machining to a dia of 65 mm upto 95 mm long - Metal fill up by special welding electrodes (E106) from 155 mm to 162 mm to both end beating seating area, 125 mm to 131 mm to both end counter weight seating area, 65 mm to 72 mm of sheave pulley seating area - Machining of bearing seating area to dia 160 mm long 100 mm, counter weight seating area to dia of 130 mm long 120 mm and making woodruff keyway 50 mm long, 25 mm width & 20 mm depth of both end, sheave pulley seating area to dia 70 mm long 95 mm and making keyway 80 mm long, 20 mm width & 10 mm depth including the cost of welding electrodes, machining charges, hire charges for T & P’s, crane charges etc., complete.

Charges for loading, transporting and unloading the HDN 180 gear box from site to workshop - Dismantling the top cover casing of gear box and worn out input pinion shaft with failed bearings and oil seals machining the input shaft to the required dimension and renewal of worn out bearing and oil seal by new one - Removing the 1st and 2nd intermediate stage shaft assembly and then checking the bearing & gear arrangement - Dismantling the output shaft assembly along with bearings and oil seals from its position and inspecting the shaft and accessories - Complete clearing of the casing both top & bottom bearing seating portion, and casing seating portion - Assembling the input shaft, output shaft 1st and 2nd intermediate stage with bearing and oil seals to its original position with gear arrangements by using proper fixtures and tools - After completion of work, assembling the gear box top cover casing with bottom cover casing and complete tightness checking - painting the reconditioned gear box with one coat of red oxide paint and two coat of enamel paint - Devoluting of released materials to stores. Statically balancing the shaft along with gear arrangement with proper run out and face out of the gear arrangement and checking blue matching the gear arrangement including hire charges for T & P’s and cost of all consumables etc., complete.