Tender For annual repair and maintenance of sub station : : - replacement of 1 kg silica gel breather metal body type , replacement of transformer oil 120 ltr , labor charges only for indoor 400 kva transformer and oltc stream line high vacuum oil filtration and dehydration of site off load 3 circulation 700 plus 210 ltr i.e 910 ltr x 2 i.e1820 ltr , breakdown voltage test transformer and oltc before and after test 4x2 i.e 8 nos , acidity test transformer and oltc before and after test 4x2 i.e 8 nos , testing of buchholz air relay testing 2 transformers , olts servicing drainage of old oil 210 ltrs , moving , fixing contact alignment , rolling contact testing in servicing. carbon rust cleaning and refitting the same , transformer buchholz relay and pipeline planch oil leakage arresting drainage of old oil , new gasket fixing oil leakage arresting refitting the same. topping of oil level , transformer h. t and l. t cable box ht and lt cable megar testing , transportation to bring testing kit to the site to and fro , and site halting charges , earth electrode testing , lt acb servicing and testing charges , ht vcb incoming outgoing transformer 1 and 2 serving and testing , auxiliary relay testing , high speed tripling relay test
08 Aug, 2025
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