supply of manufacture & supply of 1 in 12 cms crossing (1673 mm) for 52 kg rails on psc sleepers to rdso drg. no. t-4734, alt.-6/latest alteration & irs specification t-29-2024 (revised) as amended upto date of closing of tender, complete with m.s. tapered washers, bolts & nuts of different sizes, single coil spring washer along with c.i. distance blocks as listed as per annexure -b.manufacture & supply of 1 in 12 cms crossing (1673 mm) for 52 kg rails on psc sleepers to rdso drg. no. t-4734, alt.-6/latest alteration & irs specification t-29-2024 (revised) as amended upto date of closing of tender, complete with m.s. tapered washers, bolts & nuts of different sizes, single coil spring washer along with c.i. distance blocks as listed as per annexure -b.,manufacture & supply of 1 in 12 cms crossing (1673 mm) for 52 kg rails on psc sleepers to rdso drg. no. t-4734, alt.-6/latest alteration & irs specification t-29-2024 (revised) as amended upto da te of closing of tender, complete with m.s. tapered washers, bolts & nuts of different sizes, single coil spri ng washer along with c.i. distance blocks as listed as per annexure-b. [ warranty period: 30 months afte r the date of delivery ] ]