Tender For annual servicing and overhauling of ht/lt equipment at garvi gujarat, new delhi-servicing and overhauling of vcb operatingmechanism, cleaning of contacts & insulatorsand making circuit breaker electrical operationalfrom tnc switch.testing of 11 kv vcb panels as per test detailsgiven below:a) high pot testing of each pole to checkhealthiness of vacuum interrupter and itsinsulators.b) high pot testing pf main bus bar.c) insulating testing of vcb in close and openposition.d) removing of moisture and sulfation from ct'sspouts and other insulators and providing reinsulation on these parts.e) testing of thermostatically controlled 230v acspace heaters in the ct's and cable endchamber.f) servicing and high voltage testing of the vcb.g) testing and servicing of ct & pt.h) testing and servicing of primary busing rod.i) testing and servicing of bus-bar supportinginsulator 400 amp.j) testing and servicing of rose contact3 nos ``02 testing and calibration of idmt protective relay2 o/current and 1 e/fault for ht and lt panelwith primary injection set.08 nos03 servicing and overhauling of different rating acbof capacity 2000 amp 5nos, 1250 amp 4 nos,operating mechanism, cleaning carbon fromcontacts & insulators and making circuitbreaker electrical operational from switch andsetting of tripping mechanism of acb,adjustment of contact spring and setting ofinbuilt protective device.12 nos04 servicing, testing of capacitor panel of capacity305 kvar i/c calibration of apfcr relay at site.02 nos05 servicing, cleaning and testing of dry type transformer ofcapacity 1250 kva, 11 kv/440 v 3 phase transformerincluding performing the following tests as per is standard:a) ir valueb) magnetic currentc) voltage ratiod) high voltage teste) core balance tests