supply of manufacture and supply of heat treated welded crossing for section of wing rail and point ra il mg(1000 mm) for 52 kg on psc sleepers 1 in 8.5 to rdso drg. no. t-6329, complete with all fittings as li sted in the drawing excluding grooved rubber sole plates, check rails, insulating liners, elastic rail clips and conforming to irs specification no. irs:t-10-2025. [ warranty period: 30 months after the date of de livery ] [quantity tolerance (+/-): 5 %age , item category : normal , total