supply of necessary spares, consumable for switchyard in rihand hydro power station, pipri , part a : - a) supply of33 kv isolators, 33kv ct of different capacity & 33kv lightning arrester and 11kv ct , 33kv oil cooled outdoor ct for incomer feeder (live tank) ctratio:1200-800/1-1a, 3core,class0.2/ps/ps burden :10va vk:>400v,rec:<10 ohm,imag: <30ma@vk/4,stc:22ka/1sec,il:36/7/170kvp make- vishal, fel, savio, intrans note : - 01 set = 03 no. , 33kv oil cooled outdoor ct for incomer feeder (live tank) ct ratio:800-400/1-1-1a, 3core,class0.2/ps/ps burden :10va vk: >400v,rec:<10 ohm,imag: <30ma@vk/4,stc:22ka/1sec,il:36/7/170kvp make- vishal, fel, savio, intrans note : - 01 set = 03 no. , 33 kv 1250amp., hdb, centrally rotating, turn & twisttype, outdoor isolator with earth switch (l.i) motorized ,stc = 25 ka for 3sec. without structure, make- abb, siemens or tritech , 33 kv 1250amp., hdb, centrally rotating, turn & twisttype, outdoor isolator without earth switch (b.i) motorized ,stc = 25 ka for 3sec. without structure,make- abb, siemens or tritech , 33 kv 2000amp., hdb, centrally rotating, turn & twisttype, outdoor isolator without earth switch (b.i)motorized ,stc = 25 ka for 3sec. without structure,make- abb, siemens or tritech , 33kv outdoor type lighting arrestor rating 10ka rubber polymer type make- lamco, cgl note : - 01 set = 03 nos. , 11kv ct epoxy resin cast for vcb panel, ratio 600-300/5/5a class.02/5p10, burden 15/15va, stc 18ka for 3sec, il: 12/28/75kvp make- vishal, fel, savio, intrans note : - 01 set = 03 nos. , part b : - supply of hardware fittings, different clamps & connector for the switchyard. , 132kv al. bronze t clamp for 477/477 mm2 copper conductor. , 132kv al.bronzepg clamp with galvanized bolts for 477/300 mm2 copper conductor for ‘v’ joints. , 33kv ct clamp rating 2000a aluminium bronze metal , 33kv cbclamp rating 2000a aluminium bronze metal , 33kv isolator clamp rating 2000a aluminium bronze metal