supply of manufacture and supply of 10mm thick composite grooved rubber sole plate for wider base psc sleepers conforming to rdso drg. no. t-8528manufacture and supply of 10mm thick composite grooved rubber sole plate for wider base psc sleepers conforming to rdso drg. no. t-8528,manufacture and supply of 10mm thick composite grooved rubber sole plate for wider base psc sleepers conforming to rdso drg. no. t-8528 with latest alterations. specification : irs t 5 5 -2023 with latest alteration. the term latest alterations wherever used will mean the alteration up to 5 days before the actual date of opening of tender. [ warranty period: 96 months after the date o f delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]