supply of manufacture and supply of fabricated anti creep device for 10125 mm curved switches.manufacture and supply of fabricated anti creep device for 10125 mm curved switches.,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. rds o/t-8782 & rdso/t-8783 complete with fittings (including 27 mm dia. hts bolt with nut to drg. no. rdso/ t-8786 & rdso/t8787 and hardened packing plate to drg. no. rdso/t-8784 & rdso/t-8785) acd material shall be structural steel confirming to the requirement of grade - 350/br of is: 2062-2011 indian standard hot rolled medium and high tensile steel - specification (seventh revision). notes : (i) the 27 mm dia ht s bolt and nut shall be confirm to is : 3757 & is:6623 and shall be manufactured by rdso approved vendo r for hts bolts & nuts. the dimension of hts bolts and nuts shall be as per drawing no. rdso /t8786 & rd so/t-8787 . these bolt and nuts are shall be arranged and supplied by the suppliers /tenderers. (ii) harden ed packing plate shall confirm to is : 6649 and material 45i8 steel according to is:1570 (part 2). the dimen sion of hardened packing plate shall be as per drawing no. rdso/t8784 & rdso/t-8785. hardened packin g plate shall be arranged and supplied by the suppliers /tenderers (the alteration in drg. & specification iss ued by rdso up to one month prior to tender opening date shall be applicable ) [ warranty period: 30 m onths after the date of delivery ] ]