supply of manufacture and supply of metal liner 60 kg to rdso drg. no. t-8748 (alt-1) for use with psc sleeper to rdso drg. no. rdso/t-8746 suitable to 60kg rail and irs specification for metal liner for use with elastic rail clips (provision) %u2013 2013 with latest alteration. (the alt. in drawing and specification issued by rdso up to one month prior to tender opening date shall be applicable in this tender).manufacture and supply of metal liner 60 kg to rdso drg. no. t-8748 (alt-1) for use with psc sleeper to rdso drg. no. rdso/t-8746 suitable to 60kg rail and irs specification for metal liner for use with elastic rail clips (provision) %u2013 2013 with latest alteration. (the alt. in drawing and specification issued by rdso up to one month prior to tender opening date shall be applicable in this tender).,manufacture and supply of metal liner 60 kg to rdso drg. no. t-8748 (alt-1) for use wit h psc sleeper to rdso drg. no. rdso/t-8746 suitable to 60kg rail and irs specification for metal line r for use with elastic rail clips (provision) %u2013 2013 with latest alteration. (the alt. in drawing and specification issued by rdso up to one month prior to tender opening date shall be applicable in this t ender). [ warranty period: 30 months after the date of delivery ] ]