Tenders for Manufacture And Supply Of 10 Mm Thick Composite Grooved Rubber Sole Plate Conforming To Rd So Drg. No. T-8528 Alt-1 For Use With Wider Psc Sleeper T-8527. This Is A Safety Item. Specification: Irs Specif Ication For Rail Pads For Placing Beneath Rails Sl. No T-55-2023 Warranty Period: 96 Months After The Date Of De Livery