manufacture & supply of following cms crossings, 60 kg, complete with m.s. tapered washers, bolts & nuts of different sizes c.i. distance blocks, packing pieces, single coil spring washers and check rails blocks, excluding other items indicated in the drawing as amended upto date :- a) 1 in 20, 60kg to rdso drg. no. rdso t-5860b) 1 in 16, 60kg to rdso drg. no. rdso t-5693.
