supply of uic type rubber vestibule arrangement to rdso drg. no. - sk- 99056, alt.-3, item no. - 2 to 14, 25 & rdso drg. no. - sk- 99057, alt. - 2, item no. - 8 and confirming to rdso specn. no. - rdso / 2007 / cg-05, rev.-1 of november-2018. note- a ) material confirming to rdso specn. no. - rdso / 2007 / cg-05, rev.-1 of november-2018. b ) material for locking plate to is: 2062 -2011, with amnd.-1 of nov. - 2012, e 250 quality a is acceptable. c ) rubber bellow should be supplied in assembled condition in covered transparent polythene packed in suitable wooden case as shown in icf drg. no.- icf / sk-2-5-090, alt.- 2 to avoid deforming of rubber bellow ring. d ) item should be procured from icf / rcf / mcf / rdso approved vendor only. [ warranty period: 60 months after the date of delivery ]