supply of anti creep device , anti creep devices for 6400mm curved switches with zu1-60 thick web tongue rails bg (1 673mm) for 60 kg (uic) 1 in 8.5 on psc sleeper as per rdso drg. no rdso /t-9777 & rdso/t-9778 with co mplete fittings [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , 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/t8787and 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 standar d hot rolled medium and high tensile steel - specification(seventh revision). notes : (i) the 27 mm dia h ts bolt and nut shall be confirm to is:3757 & is:6623. the dimension of of hts bolts and nuts shall be as p er drawing no. rdso /t8786 & rdso/t-8787 . these bolt and nuts are shall be arranged and supplied by th e suppliers /tenderers . (ii) hardened packing plate shall confirm to is : 6649 and material 45c8 steel according to is:1570(part 2). the dimension of hardened packing plate shall be as per drawing no. rdso/t 8784 & rdso/t-8785. hardened packing plate shall be arranged and supplied by the suppliers /tenderers . (the alteration in drawing and specifications issued by rdso up to one month prior to tender opening date shall be applicable to this tender.) [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]