supply of 10 mm thick g.r.pad ( t-8747 ) , gr pad drg no. t-8747 [ warranty period: 30 months after the date of delivery ] , 10mm thick composite grooved rubber sole plate for wider base psc sleepers conforming to rdso drg no. t-8747 for use with wider psc sleepers suitable for 52kg and 60kg ( uic ) rails with latest alterations if any as on date of closing of the tender. specification: irs specification no. rdso / m&c / rp- 200 / 2007 ( provisional ) with amendment no. 1 of 2018 and latest amendment if any as on date of closing of the e-tender. this is a safety item. [ warranty period: 30 months after the date of delivery ]