supply of manufacture and supply of pre-stressed mono block concrete isolated sleepers for 1 in 12 psc turnouts { crossing portion sleeper no. 65 to 74 ( 43.76 rmt ) } as per rdso drg. no. rdso / t-4218 with latest alterations and part drawing thereof to suit 60 kg ( uic rail ) / 52kg rail and to irs specification t-45 ( 4th rev mar- 21 ) , both as amended up to date duly loaded into wagons / road vehicles. [ warranty period: 60 months after the date of delivery ] , manufacture and supply of pre-stressed mono block concrete isolated sleepers for 1 in 12 psc turnouts { lead portion sleeper no. 22 to 64 ( 145.38 rmt ) } as per rdso drg. no. rdso / t-4218 with latest alterations and part drawing thereof to suit 60 kg ( uic rail ) / 52kg rail and to irs specification t-45 ( 4th rev mar- 21 ) , both as amended up to date duly loaded into wagons / road vehicles. [ warranty period: 60 months after the date of delivery ] se / pw / ctyl, scr telangana 145.38 metre sse / pw / dkd, scr andhra pradesh 145.38 metre sse / pw / gid, scr andhra pradesh 145.38 metre sse / pw / gnt, scr andhra pradesh 145.38 metre sse / pw / n / gnt, scr andhra pradesh 145.38 metre , manufacture and supply of pre-stressed mono block concrete isolated sleepers for 1 in 12 psc turnouts { crossing portion sleeper no. 65 to 74 ( 43.76 rmt ) } as per rdso drg. no. rdso / t-4218 with latest alterations and part drawing thereof to suit 60 kg ( uic rail ) / 52kg rail and to irs specification t-45 ( 4th rev mar- 21 ) , both as amended up to date duly loaded into wagons / road vehicles. [ warranty period: 60 months after the date of delivery ] se / pw / ctyl, scr telangana 43.76 metre sse / pw / dkd, scr andhra pradesh 43.76 metre sse / pw / gid, scr andhra pradesh 43.76 metre sse / pw / gnt, scr andhra pradesh 43.76 metre sse / pw / n / gnt, scr andhra pradesh 43.76 metre , manufacture and supply of pre-stressed mono block concrete isolated sleepers for 1 in 12 psc turnouts { crossing portion sleeper no. 65 to 74 ( 43.76 rmt ) } as per rdso drg. no. rdso / t-4218 with latest alterations and part drawing thereof to suit 60 kg ( uic rail ) / 52kg rail and to irs specification t-45 ( 4th rev mar- 21 ) , both as amended up to date duly loaded into wagons / road vehicles. [ warranty period: 60 months after the date of delivery ] , manufacture and supply of pre-stressed mono block concrete isolated sleepers for 1 in 12 psc turnouts { switch portion sleeper no. 1 to 21 ( 59.94 rmt ) } as per rdso drg. no. rdso / t-4218 with latest alterations and part drawing thereof to suit 60 kg ( uic rail ) / 52kg rail and to irs specification t-45 ( 4th rev mar- 21 ) , both as amended up to date duly loaded into wagons / road vehicles. [ warranty period: 60 months after the date of delivery ]