supply, erection, testing and commissioning of switchyard equipments and associated misc work at 2x1500kw urgam shp chamoli-33kv outdoor vcb:-supply of 36kv, 1250a, short circuitbreaking current 25ka / 1 sec, outdoor vcb spring charged breaker, abb / simens / crompton make, 110v dc trip close coil as per iec 62271-100 including structure. 2 installation, testing and commissioning of supplied 33kv vcb including modification of foundation required for mounting complete in all respect. 3 integration of newly supplied outdoor vcbs and isolatorwith existing control and relay panel including relay testingto ensure smooth working of breaker & isolator from local and remote location. 4 3.3kv xlpe cable ( outdoor ) :-supply and installation of 3.3kv heavy duty cable xlpe sheathed, insulated aluminium conductor cables armoured1 c , 300sq.mm ( manufactured as peris: 7098 ) for transformer incomingto switchgear panel. 5 potential transformer :-supply and installation of potential transformer 33kv / 110v, 100va, 3 core, class ( 3p, 3p, 0.2 ) , frequency 50hzcomplete including all men, material & all t & p required for proper completion of work. 6 current transformer :-supply and installation of33 kv current transformers, 3core of ct ratio 200 / 1-1-1a, accuracy class and burden 15ka as required with first filling of oil. 7 lightning arrester ( gapless zno surge arrester ) :-supply of lightning arrestor 30kv, frequency 50hz, 10 ka station class, gapless type la complete with insulating base, surge counters, grading rings, terminal connectors. 8 line isolator with earth switch ( motorised ) :-supply and installation of 33 kv, 800 a, triple pole motor operated outdoor type double break isolators with terminal connectors ( in place of existing manual hand operated isolator ) , with rated short time current of 25 ka and testing complete in all respects including interlocks with operating mechanism as per specifications ( with earth switch ) . 9 bus isolator:- general servicingand repairing of of existing 33 kv, 800 a, triple pole twist and turn type manual operated isolators, cleaning of complete isolator, checking of contract area, greasing of moving part, complete realignment, greasing, operation and testingcomplete in all respects including interlocks with operating mechanism 10 dismantling of line isolator with eath switch, general servicingand repairing ofexisting 33 kv, 800 a, triple pole twist and turn type manual operated isolators with earth switch, cleaning of complete isolator, installation in bus line area , checking of contract area, greasing of moving part, complete realignment, greasing, operation and testingcomplete in all respects including interlocks with operating mechanismand testingcomplete in all respects including interlocks with operating mechanism. 11 supply and layingof earth mat gi flat mat 50x5 mm thickness forisolators, breakers , ct &pts. 12 supply and installation of air breather assembly including siliga gel in transformers. 13 transportation and transit insurance.