supply of 1.manufacture and supply of joggled fish plates for use on welded joints for 60kg rails conforming to rdso drg. no t-5849, alt-1. each set of joggle fish plates comprises of (i) joggled fish plates t-5849 - 2 nos, (ii) bolts and nuts to drg. no t-11513 - 4 nos, (iii) single coil spring washer to rdso drg. no. t-10773 - 4 nos and (iv) special washer (50x50mm) and 10 mm thick with 27 mm dia hole as per drawing - 8 nos specification: the fish plates should conform to irs-t-1-2021 (1st revision). this is a safety item. 2.manufacturing and supply of joggled fish plates for 52 kg. rails conforming to rdso drg. no. t-5848 alt -1 with all fittings excluding clamp as per drg. no. rdso/t-5855 & rdso/t-5855/1.(the alteration in drawing, specifications and str issued by rdso up to one month prior to tender opening date shall be applicable1.manufacture and supply of joggled fish plates for use on welded joints for 60kg rails conforming to rdso drg. no t-5849, alt-1. each set of joggle fish plates comprises of (i) joggled fish plates t-5849 - 2 nos, (ii) bolts and nuts to drg. no t-11513 - 4 nos, (iii) single coil spring washer to rdso drg. no. t-10773 - 4 nos and (iv) special washer (50x50mm) and 10 mm thick with 27 mm dia hole as per drawing - 8 nos specification: the fish plates should conform to irs-t-1-2021 (1st revision). this is a safety item. 2.manufacturing and supply of joggled fish plates for 52 kg. rails conforming to rdso drg. no. t-5848 alt -1 with all fittings excluding clamp as per drg. no. rdso/t-5855 & rdso/t-5855/1.(the alteration in drawing, specifications and str issued by rdso up to one month prior to tender opening date shall be applicable,manufacture and supply of joggled fish plates for use on welded joints for 60kg rails conformi ng to rdso drg. no t-5849, alt-1. each set of joggle fish plates comprises of (i) joggled fish plates t-5849 - 2 nos, (ii) bolts and nuts to drg. no t-11513 - 4 nos, (iii) single coil spring washer to rdso drg. no. t-1