supply of manufacture and supply of fish plate combination for 60kg and 52kg rails conforming to rdso drg. no. t-696 to t-699, alt-i each set of combination fish plate comprises of ( i ) 4 fish plates to rdso drg. no t-696 to t-699, ( ii ) bolts with nuts to drg. no t-700- 2 nos, ( iii ) bolt with nut to drg. no t-1899- 1 no. ( iv ) bolt with nut to drg. no t-11501- 1 no. and ( v ) single coil spring washer to rdso drg. no. t-10773- 4 nos specification: the fish plates should conform to irs-t-1-2021 ( 1st revision ) . this is a safety item. [ warranty period: 30 months after the date of delivery ]