supply of ,derailing switches 1 in 8.5, t/out for bg (1673 mm) 60kg on psc sleepers to rdso drg. n o. t-6068 alt.4 conforming to specification no. irs: t-10-2025 with suppliers rails complete with stock rail s and all parts & fittings as listed in the drawing but excluding grooved rubber sole plates, insulating lin es, elastic rail clips, fish plates and fish bolts. note :- rails needed for fabrication of switch i.e. for stock rail and tongue rail shall be arranged by supplier at their own cost in terms of railway board letter no. 2022/track-i(p)/fabricators dated 24.01.2022. specification: irs/t-10-2025 for fabricated switch. latest a lterations/amendments shall be applicable. [ warranty period: 30 months after the date of delivery ] ] , goods, fabrication & supply of 6400 mm over riding derailing switches 1 in 8.5, t/out for bg (1673 mm) 60kg on psc sleepers to rdso drg. no. t-6068 alt.4 and conforming to specification no. i rs: t-10-2025 with suppliers rails complete with stock rails and all parts & fittings as listed in the drawin g but excluding grooved rubber sole plates, insulating lines, elastic rail clips, fish plates and fish bolts . note :- rails needed for fabrication of switch i.e. for stock rail and tongue rail shall be arranged by su pplier at their own cost in terms of railway board letter no. 2022/track-i(p)/fabricators dated 24.01.2022 . specification: irs/t-10-2025 for fabricated switch. latest alterations/amendments shall be applicable. [ warranty period: 30 months after the date of delivery ] ]