supply of nylon cord grsp t-4218 etc.nylon cord grsp t-4218 etc.,manufacture and supply of 6 mm thick nylon cord reinforced grsp for placing beneath rails at 1:12/60 kg turnout conforming to rdso drg. no. t-4218 (alt-9) with or cs conforming to irs specifications no. irs/t-55/2023. the list of 6 mm thick nylon cord reinforced grooved rubber sole pl ates to be supplied in a set is given in annexure-a.(the alterations in drawing and specification issued by rdso up to one month prior to tender opening date shall be applicable. [ warranty period: 30 m onths after the date of delivery ] ] dy.cmm/halisahar, er west bengal 869.00 set p.w.i./maldah, er west bengal 336.00 set