supply of manufacture and supply of 1 in 12 bg 60kg weldable cms crossing on psc sleepers in accordance with rdsos standard drawing no.t- 6412 (alt-3)manufacture and supply of 1 in 12 bg 60kg weldable cms crossing on psc sleepers in accordance with rdsos standard drawing no.t- 6412 (alt-3),manufacture and supply of 1 in 12 bg 60kg weldable cms crossing on psc sleepers in accorda nce with rdsos standard drawing no.t- 6412 (alt-3) including supply of 6mm thick nylon cord reinforced gr sp for 1 in 12 bg 60kg weldable cms crossing (details attached at annexure-a), excluding standard fish plate s, fish bolts and nuts, e. r. clips, insulating liner. specification: as per irs specification for cast manganese ste el (cms)crossings and weldable cast manganese steel (wcms) crossings, serial no. irs: t-29 (revised 20 23). this is a safety item [ warranty period: 30 months after the date of delivery ] dsd-ctc, ecor odisha 384.00 set os/td/myd/wat, ecor andhra pradesh 92.00 set