bids are invited for repair, maintenance, and installation of plant/ systems/equipments (version 2) - industry unit; substation; service provider-estimated cost for supply of material at various 220/132 kv substations under etd budaun -refilling of sf-6 gas in available cylinder at various 220kv & 132kv substations under etd, budaun. details of available cylinder at site are as below. (sf-6 gas must be 99.99% pure). silica gel 33kv jaw, 1250amp electrolitye make as per sample. 33kv jaw, 1250amp rama make as per sample 132kv rotary head as per sample 132kv tripping coil, abb make as per sample 33kv tripping coil, abb make as per sample 33kv tripping coil, siemens make as per sample 33kv tripping coil, cgl. make as per sample 33kv jaw, 1250amp rama make as per sample compression type single tension fitting special panther as per sample single suspension fitting special panther as per sample 33kv jaw, 2000amp rama make as per sample 33kv jaw, 1250amp rama make as per sample 33kv jaw, 2000amp rama make as per sample 132kv rotary head as per sample silica gel breather contactor 10a, 220v, 03no, 03nc (schneider make) as per sample