Tender For supply of 6400 mm curved switch with 60e1a1 thick web tongue rail and 60 kg. 60e1r260 grade stock rail for 1 in 8.5, bg 60 kg. turnout on psc sleeper to rdso drawing no. t-9775 alt. 3 or latest alt if any with elastic fasteners and spring operated setting device (rdso-t-6216 with latest alteration), confirming to irs specification no. t-10-2025, irs t-12-2009 for flat bottom rails and irst- 62 - 2025 for end forging of thick web asymmetrical rails, including nylon cord reinforced grsp withconfirming to irs specification t-55-2025 (rev. 1) or latest if any and supply of all components/fittings listed as per part-a and excluding elastic rail clips, metal liner/insulating liner (hvn), check rails etc.(the alt. in drawings & specification issued by rdso upto 10 days prior on tender opening date shall be applicable in this tender ) firm to note : nylon cord reinforced grsp should only be purchased from rdso-approved sources through process inspection.(the inspection certificate should be attached) (i) note: - the responsibility to procure rails will solely lie with the manufacturer (bid including rail cost/per set) in terms of railway board letter no. 2022/track-i(p)/fabricators dt. 24.01.2022 (ii) the unique code shall be provided by the firm by punching/embossing on each set of tws, so that it can be correlated with the type of set-i.e., the type of flexure and the specified limit of degree of flexure suitable for left-hand or right-hand application. (iii) firm to supply 10 % additional fittings as mention in rdso drg. t-9775 alt. 3 of part 'c' [ warranty period: 30 months after the date of delivery ]
Tender For supply of composite grooved rubber sole plates 10 mm thick for wider psc sleepers to use with 60kg (uic) & 52kg rails to rdso drg no t-8747, with latest alteration if any, specification: irs t 55 -2025 with latest alterations. the term "latest alterations" wherever used will be mean the alteration up to 5 days before actual date of opening of tender. [ warranty period: 96 months after the date of delivery ]
Tender For manufacture and supply of mono block wider pre-stressed concrete sleeper (pre-tensioned type) for sharp curves (of radius less than 350m) for 25t axle load for broad gauge (1676 mm) 60 kg (uic) / 60e1/ 52 kg rails as per rdso drg. no.rt-8979 to rt-8982, alt-02/latest alteration and asper irs specification t-39 (6th revision-march-2021) and indian railway standard conditions of contract, both as amended upto actual tender opening date duly loaded in wagon/road vehicle. fixing of cross bracing arrangement vide rdso drg no.t-10239 should be followed [ warranty period: 30 months after the date of delivery ]