supply of 2.5 sq.mm, black colour , 2.5 sq.mm, black colour, electron beam irradiation curing process thinwal ledflexible elastomeric cable with copper conductor suitable for rollingstockapplica tion conforming to rdso/spec.no.elrs/spec/elc/0019,rev.4,feb-2018,1.8 kv grade.note:1) i tem/type/model/make/brand from the manufacturer/ suppliers asapproved by rdso shall only be considered.2) electron beam irradiated cross linked cables are only acceptabl e.3) firms are requested to indicate conformance of the same in the offer.4) cable shal l be supplied in coils of 500 metres length and left overquantity in multiples of 100 met res with a tolerance of +/-5% on the length as per specn. rdso specification no: elrs/spe c/elc/0019 rev.4, feb: 2018 [ warranty period: 30 months after the date of delivery ] ]