Necked down bolt m20 x 135 as per abb drg. no. ia016-00271 rev-3 or latest, clw spec./drg. no.1209-01.315-006 alt-1 or latest

3.0x6.3 mm (bare), 3.23x6.53 mm (covered) fcrc covered corona resistant polyimide film insulated copper conductor as per spec-tm11510 rev-03

Neck down bolt m 20x93 as per abb drg. no. ia016-00270 rev-5. clw spec./drg. no. 1209-01.315-006 alt-1

Yoke pin for upgraded high tensile centre buffer coupler of boxn hl. drg: latest sk-627 24 item no. 12, alt-31, rdso spec: wd-70-bd-10 rev.-4.

Yoke pin for transition and non transition cbc to rdso drawing no. sk-62724, alt-32, item-12. material & specification as per drawing and conforming to rdso spec. no. wd-70-bd-10 rev.4.

Supply of underground , armoured, unscreened , railway signalling cable pvc insulated copper conductor confirming to spec. no. irs:63/2014 rev. 4.0 or latest amendment of size 12 core x 1.5 sq. mm. (specification attached)

Pvc insulated multistrand copper conductor flexible wires single core in voltage grade 1100v as per rdso specification no. rdso/pe/spec/tl/0027-2002 [ rev.0] amendment -1 of size 84/0.30 mm[6sq.mm]

High tensile rustless steel u bolt (10mm) r.i. no. 6034-s as per drg. no. eti/ohe/p/150 or latest and rdso spec no. ti/spc/ohe/fasteners/ 0120 rev. 1

Pvc insulated unsheathed single core multi stranded aluminum conductor cable for voltage up to and including 1100 volt to be used for wiring of non ac coaches , size- 70 sq mm (19/2.14mm), conforming to rdso specn. no. rdso/pe/spec/tl/0027-2002 (rev.-0) with amndt. no.1

Pvc insulated multi stranded copper cable single core of size 4 sq. mm (56/0.3 mm) conforming to rdso specification no. rdso/pe/spec/tl/0027-2002 (rev 0) june- 2002 with amendment no 1. however, the firms may quote for latest specification/drawing with amendment if any issued by rdso/icf/rcf/mcf etc. the cable shall be of white colour.