supply of manufacture and supply of fabricated anticreep 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-878 2 & rdso / t-8783 complete with fittings ( including 27 mm dia. hts bolt with nut to drg. no. rdso / t-8786 & r dso / t-8787 and hardened packing plate to drg. no. rdso / t-8784 & rdso / t-8785 ) acd material shall be str uctural steel confirming to the requirement of grade e-350 / br of is: 2062-2011 indian standard hot rolled medi um and high tensile steel - specification ( seventh revision ) . notes : ( i ) the 27 mm dia hts bolt and nut shall b e confirm to is :3757 & is:6623 and shall be manufactured by rdso approved vendor for hts bolts & nuts. the dimension of of hts bolts and nuts shall be as per drawing no. rdso / 8786 & rdso / t-8787 . these bolt and n uts are shall be arranged and supplied by the 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 a s per drawing no. rdso / t-8784 & rdso / t-8785. hardened packing plate shall be arranged and supplied by th e suppliers / tenderers. ( the alteration in drawing and specifications issued by rdso up to one month prior to te nder opening date shall be applicable to?this?tender. ) [ warranty period: 30 months after the date of delivery ]