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 & rdso/t-8783 complete with fittings (including 27 mm dia. hts bolt with nut to drg. no. rdso/t-8786 & rdso/t-8787 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 e-350/br of is: 2062-2011 "indian standard hot rolled medium and high tensile steel - specification" (seventh revision).