supply of set of gauges required for checking , set of gauges required for checking e-type cbc. set consisting of 3 items:- (1) contour worn limit gauges no. 1 as per rdso g-76 manual appendix 3a- 01 no. (2) contour worn limit gauges no. 2 as per rdso g-76 manual appendix 3b- 01 no. (3) knuckle stretch and nose wear gauge no. 3 as per rdso g -76 manual appendix 3c- 01 no. hardness of material 40/45 hrc minimum. note: (1) gc and calibration cer tificate to be provided along with the supply. (2) to be procured from past proven suppliers of the similar it ems in ir only. (3) valid calibration certificate traceable to national standard npl/nabl to be provided. [ w arranty period: 30 months after the date of delivery ] ]