tender for a) dismantling of damaged/worn out channel box with swing and dismantling of the n2 actuating cylinder system , cutting/gauging electrodes , grinding/cutting disc , industrial gas da 01 cyl@rs 1700/- , oxy cylinder@350/- , labour cost , a. highly skilled (@552/- per man shift) 1 man per shift,2 shift , b. skilled(@478/- per man shift) 2 man per shift,2 shift , c.semi skilled(@362/-per man shift) 2 man per shift,2 shift , d. general mazdoor(@346/-per man shift) 4 man per shift,2 shift , hiring charges for welding machine set,cutting set, grinding machine, lifting/pulling machine and other tools and tackles etc (per shift),2 shift , fixing bolts, nuts etc , b) refitting fabrication and assembling of channel box with swing, n2 actuating cylinder system and strengethning of , welding electrodes e-106 or equivalent for root welding , welding electrodes e-104 or equivalent for remetalling , grinding/cutting disc , industrial gas da 01 cyl@rs 1700/- , oxy cylinder@350/- , labour cost , a. highly skilled (@552/- per man shift) 2 man per shift,3 shift , b. skilled(@478/- per man shift) 4 man per shift,3 shift , c.semi skilled(@362/-per man shift) 2 man per shift,3 shift , d. general mazdoor(@346/-per man shift) 4 man per shift,3 shift , hiring charges for welding machine set,cutting set, grinding machine, lifting/pulling machine and other tools and tackles etc (per shift),3 shift , fixing bolts, nuts etc , total impact of gst for the purpose of ctc