linking of bg track with 60kg single / long welded panels with 1660nos. psc sleeper per kmin main line and 60kg/52kg single / three rails welded panels with 1540 nos. psc sleeper perkm in loop lines including linking of 1 in 12, 1 in 8 and derailing switches on psc sleepers(fan shaped layout), laying of sejs etc..., dismantling of bg track, point & crossings fromkm 317/6 to 355/0 (ch 66050 to 103700) = 37.65 km.bidding type normal tender .