supply of anti creep devices for 6400mmanti creep devices for 6400mm,manufacture and supply of fabricated anti creep device for 10125 mm curved switches with zu-1-60 thick web tongue rails b.g. (1673 mm) for 60 kg (uic) on psc sleepers as per rdso drg. no. rdso/t-8782 & rdsot/t-8783 complete with fittings (inclu ding 27 mm dia. hts bolt nut to drg. no. rdso/t-8786 & rdso/t-8787and hardened packing plate to drg. no. rdso/t-8784 & rdso/ t-8785) acd material shall be structural steel confirming to the requirement of grade e-350/br of is: 2062-2011 indian standard hot rolled medium and high tensile steel-specification (seventh revision). notes: (i) the 27 mm dia hts bolt and nut shall be confirm to i s:3757 & is:6623 and shall be manufactured by rdso approved vendor for hts bolts & nuts. the dimension of hts bolts and nuts sha ll be as per drawing no. rdso/t-8786 & rdso/t-8787. these bolt and nuts shall be arranged and supplied by the supplied by the sup pliers/tenderers. (ii) hardened packing plate shall confirm to is : 6649 and material 45c8 steel according to is: 1570 (part 2). the dim ension of hardened packing plate shall be as per drawing no- rdso/t- 8784 & rdso/t-8785. hardened packing plate shall be arrang ed and supplied by the suppliers/tenderers. (the alteration in drawing and specifications issued by rdso up to one month prior to ten der opening date shall be applicable to this tender.) [ warranty period: 30 months after the date of delivery ] ]