Tender For supply of 150 sq.mm (colour: red,yellow,blue) thin walled flexibleelastomericcable with copper conductor, above 750v upto 1.8/3.0 kv as per rdso spec no.elrs/spec/elc/0019 (rev-4), data sheet - 2a,packing length multiple of 100 meter or plus +-5% or ( equal length for each colour to be supplied. lastcoil , less than 100 mtrs can be supplied in loose but in one piece) . [ warranty period: 30 months after the date of delivery ]
Tender For supply of thin walled flexibleelastomericcable with copper conductors " black" colour upto 750 v, 2.5 sq mm elrs/spec/elc/0019, rev-4 or latest. items should be procured from rcf approved sources. [ warranty period: 30 months after the date of delivery ]
Tender For repairing of roof denting/straightening, tar felting of whole roof and side cover of ekg 5a shovel (si.no. 593) and vulcanizing of 10 nos trailing cable joints (3.3kv core cable) for ck-300 shovel (si.no. 180) deployed at birsa project
Tender For corrigendum : supply of 2.5 sq. mm x 4 core unscreened 600/ 1000 v. grade thin walled flexible ebxl cables as per rdso specification no. elrs/spec/elc/0019, rev (4) of february 2018 for coaching stock application (colorcode 4 core - red, yellow, blue for three phases and green for earth). material shall be procured from rdso approved source item no. 3100270, thin walled flexibleelastomericcables with copper conductors for working voltages up to 750 volts. [ warranty period: 30 months after the date of delivery ]
Tender For bid to ras supply of flexible copper trailing cables d d - item 10 , item 20 , item 30 , item 40 , item 50 , item 60 cable,trg,atc,3.3kv gr,3.5cx50mm2,is9968 size & tvpe 3.5cx50 sq. mm 3.3 kv grade flexible atc conductor of class-s, epr le-3, insulated &black hofr nbr pvc type se-4 sheathed flexible trailing cable suitable for reeling/un-reeling operation. cable type- flexible, standard: is 9968(part 2) 2002 d.c. resistance at 20deg. c (ohms/km) power core max- 0.393 earth core max - 0.795. annealing test in %- (before stranding) 13.5 %. per sulphate test in g/m2- max. 5.00. conductor screeninq power core only material approx thickness mm - extruded semiconducting compound/ extruded semi conducting tape- 0.80. conductor material: annealed tinned copper, 6.6 klv grade, cable type: flexible, standard: is 9968(part 2) 2002 tests on insulation thickness (nom) mm core ldentification - power core-2.20 colour rpct red, yellow & blue for power cores & green for earth core tensile strength before ageing n/mm2- min.4.20 % variation after ageing (air oven)- max. +-30% % variation after ageing in (air-bb)- max. +- 30%. elongation before ageing in % - min.200% % variation after ageing (air oven)- max. +- 30% % variation after ageing in (air-bb)- max. +- 30%. hot set test hot set elongation- 175% permanent set 15%. lnsulation resistance constant (min.) m ohm km. at 27deg.c- min. 3670 at 90 deg.c-min 3.67. thick of lnner sheath min 2.00 mm. rein forcement- open braid of textile material physical test on outer sheath thickness (nom) / min mm- 3.50/ 2.60 colour black, over all diameter of cable mm- 52.00+-3.00. tensile strength ) /bid number : gem/2025/b/6811700 * /dated: 24-10-2025 & & / bid document 1 / 22 before ageing n/mm2 - min. 11.0 at 2oo elongation 4n/ sq. mm. % variation after ageing in (air-bb)-max. +- 50% elongation before ageing in %- min.250% % variation after ageing in (air-bb)- max. + 50%. hot set test hot set elongation- max.175% permanent set- max 15. oil resistance test variation in % in tensile strength- max. +-40% variation in % in elongation-max. +-40%. tear resistance in n/mm - min.5.0. flammability test period of burning after removal of flame- max. 60 sec. min unaffected portion from the lower edge of the top clamp - min 50 mm. test high voltage at room temp- 10 kv ac for 4 hours. water absorption test increase in capacitance 1 to 14 days max- 6% 7 to 14 days max- 2.5%., control trailing cable 12 c x 2.5 3 p x 1.5 (pair screened) 2 voltage grade 1.1 kv 3 reference standard generally confirming to is: 9968 (part- 1)1998 4 conductor a. material to is:8130/84 annealed tinned copper b. nominal area of cross section(sq. mm) i)-unscreened core (sq. mm.) 2.5 ii) - screened pair (sq. mm.) 1.5 c. flexibility class as per is:8130/84 class-5 d. maximum dc resistance of conductor at 20 deg. c i)-unscreened core (ohms/km) 8.21 ii)- screened pair (ohms/km) 13.7 5 insulation i) material epr type ie-2 to is:6380/84 ii) nominal thickness (mm) 1.0 6 two cores of 1.5 sq. mm. size twisted together to form a pair yes. 7 individual pair screening each pair of 1.5 sq. mm. size taped with rpct, screened with 0.2 mm nom dia of annealed tinned copper wires braid, taped with melinex tape. yes. 8 no of cores / pair i)-unscreened cores 12 ii)-screened pairs 3 9 identification of power cores by number printing on cores. 10 laying up (i) three screened pairs laid up together, taped with rubber proofed cotton tape to form group as "a" (ii) 12 unscreened control cores laid up together around group as "a" of screened pairs and taped with rubber proofed cotton tape applied with open spiral. 11 inner sheath a) material to is: 6380/84 hd hofr csp type se-4 b) minimum thickness (mm) 1.6 12 an open braid of nylon cord reinforced in between inner and outer sheath. yes. 13 outer sheath a) material to is: 6380/84 hd hofr csp type se-4 b) nominal thickness (mm) 2.5 14 nom. overall diameter of cable (mm) 33.0 tolerance on nom. overall dia
Tender For handling of trailing cable of 04 nos. dragline machines for a period of 610 days (excluding sunday and holidays) working at bina project.(work is to be carried at ncl site)
Tender For supply of 10 sq.mm electron beam irradiated thin-walled flexibleelastomericcable with copper conductors for working voltage up to 750 volts as per rdso specification no. elrs/ spec/elc/0019 rev4, of february 2018 or latest. colour in red and black in equal quantity. [ warranty period: 30 months after the date of delivery ]