Psc sleeper for 60 kg rail, as per rdso drawing t-8746 with latest amendment, if any,psc curve sleeper for 60 kg rail, as per rdso drawing t-8982 with latest amendment, if any

Set of 04 items required to elbow connector as per clw drg. no. 1209-18.406-035, sl. no. 1, alt. 2 or latest if any.

Helical spring for axle guide arrangement of ac rakes of kolkata metro as per icf drawing no.dc/emu2-0-1-203 alt h/3 or latest amendment, if any. nb: (1) material to be procured from rdso/icf approved sources only. specn: as per icf drawing no.dc/emu2-0-1-203 alt h/3 or latest

Manufacturing and supply of leaf spring to rdso drg. no. t-6310 (alteration nil) for slide chair for 10125 mm curved switch with zu-1-60 thick web tongue rails b.g. (1673 mm) for 60 kg (uic) on psc sleepers and conforming to specification 55 si-7 & irs: t-42-2020 (revision 01).

Supply of relay, ac immune, plug-in-type, style qbat, aci, dc biased track relay 9 ohms, 2f-2b contacts, front and back contacts metal to carbon, complete with plug board, retaining clip and connectors conforming as per rdso/spn/84 ver 2.0 or latest if any interlocking code is abejx.

Nylon 66 bush for suspension of 25 kw, of size dia70x dia 58x100 for 110 v dc brushless alternator conforming to item-1 of rdso drg. no. rdso/pe/sk/tl/0086-2014 (rev2) - alteration no.1 and material conforming to specn no. rdso/pe/spec/ac/0006- 2009 (rev.1). however, the firms may quote for latest specification/drawing with amendment if any issued by rdso/icf/rcf/mcf.

Set of nipples required for pneumatic pipelines consisting of two items as follows. 1) 1/2 x 1/2 nipples both sides parallel threads as per drg. no. b/trs/pn.eqpt/3/56 or latest. qty/set. = 03nos. 2) 3/4 x 1/2 reducing nipple taper & parallel thread(nom dimension in mm on od: 27 x 21r & nom diameter in mm on id: 20.15 as per drg. no. b/trs/pn.eqpt/3/18, alt a or latest if any. qty/set. = 01no. note: ten sample sets should be got approved before effecting bulk supply.

Diffuser for fluorescent light fitting to item no.7 of icf drg. no. sk-7-6-103 col. iii with alterations c to m. note: material for item no.7 should be lexan-940 polycarbonate grains of ge plastic only and shall be free from scratches, air bubbles and holes etc. insignia of the firm may be embossed on the diffuser. however, the firms may quote for latest specification/drawing with amendment if any issued by rdso/icf/rcf.

Pressure measuring rotary switch, as per part no sr-075 -1050 of m/s sidwal & type n4s29d/gb of kaycee make or equivalent to this of ge & salzer make only, as per sr no. 36 of bill of material (bom) of rdso specification no. rdso/pe/spec/ac/0061-2005(rev-1), suitable for use in rmpu type lhb ac coaches & conforming to rdso specification no. rdso/pe/spec/ac/0061-2005 (rev-1). accepted make: kaycee, salzar , ge , or any other rdso approved make.

For complete deion and other details, please refer to tender