supply of manufacture & supply of 1-in-12 bg 60 kg weldable cms crossing (wcmsc) on psc sleepers in accordance with rdsos standard drawing no. t-6412 & conforming to specification:irs:t-29 &irs/t-12 including supply of 6 mm thick grooved rubber plates (drawing no. rdso/t-6204 to rdso/t-6211, rdso/t-6843 to rdso/t-6846) & all other fittings, excluding standard fish plates, fish bolts and nuts, e.r clips, insulating liner.manufacture & supply of 1-in-12 bg 60 kg weldable cms crossing (wcmsc) on psc sleepers in accordance with rdsos standard drawing no. t-6412 & conforming to specification:irs:t-29 &irs/t-12 including supply of 6 mm thick grooved rubber plates (drawing no. rdso/t-6204 to rdso/t-6211, rdso/t-6843 to rdso/t-6846) & all other fittings, excluding standard fish plates, fish bolts and nuts, e.r clips, insulating liner.,manufacture & supply of 1-in-12 bg 60 kg weldable cms crossing (wcmsc) on psc sle epers in accordance with rdsos standard drawing no. t-6412 & conforming to specification:irs:t-29 &irs/t-12 including supply of 6 mm thick grooved rubber plates (drawing no. rdso/t-6204 to rdso/t -6211, rdso/t-6843 to rdso/t-6846) & all other fittings as per rdsos drawing no. 6412 complete in all respect . [ warranty period: 30 months after the date of delivery ] ] , manufacture & supply of 1-in-12 bg 60 kg weldable cms crossing (wcmsc) on psc sle epers in accordance with rdsos standard drawing no. t-6412 & conforming to specification :irs:t-29 &irs/t-12 including supply of 6 mm thick grooved rubber plates (drawing no. rdso/t-6204 to rdso/t -6211, rdso/t-6843 to rdso/t-6846), & all other fittings as per rdsos drawing no. 6412 complete in all respect . [ warranty period: 30 months after the date of delivery ] ] , 1 in 12 60kg wcms xing (t-6412) manufacturing and supply welded cms crossing on p sc sleeper accordance with rdso standard drawing no.t/6412 including supply 6mm thick grsp to r dso drawing no t/6204 to t/6211, t/6843 to t6846 & all other fittings as per rdsos drawing no. 641 2 complete in all respect . [ warranty period: 30 months after the date of delivery ] ]