bids are invited for repair maintenance of transformer 200 kva taking down carefully transformer 200 kva from pole oblique plinth by dismantling disconnecting ht and lt sides comma earthing of transformer , material and labour for shifting of the transformer mounted on plinth oblique pole from existing location to workshop and vice versa , material and labour hv copper coil replacement , material and labour lv copper coil replacement , material and labour silica gel breather , rubbersied cork sheet gasket of 6mm thickness for top cover , material and labour hv bushing , material and labour lv bushing , material and labour transformer oil total quantity : 307