Tender For supply of upgradation of central substation for es dept at grse main works d d - supply of upgradation of central substation for es dept at grse main works d d - ht copper bus bar , vcbs items , wti,buchholz, oti relays , 3 core x 300 sq. mm. aluminium conductor , pvc hume pipe , new two - 02 nos transformers , 11 kv - e 3 c x 300 sq mm frls xlpe , earth pit item 50 mm dia gi pipe , copper earth plate for neutral earthing , 50 x 6 mm cu flat , 50 x 6 mm gi flat , 2 v 100 ah ni-cd battery , 110 v dc rectifier , buchholz, wti, oti relays for 1k kva transformer , hv cable route marker , mapping of existing cable and pipe lines , civil work for preparation of renovation , position of 06 vcb racks , ht copper bus bar , installation and proving of wti, buchholz, , repair of vcb enclosures , 3 core x 300 sq. mm. aluminumconductor , trench cutting for cable laying , charge for laying of hume pipe , removal of 02 nos. transformer - 1000 kva and position of 02 nos. new transformer , ht cables , earth pit connection , installation of batteries , removal of existing ht panel. , service for removal of existing panel , service for fitment and proving of buchholz, wti, oti relays for 1000 kva transformer , cea approval for new vcb panel and ht cable installations ) /bid number : gem/2025/b/6602235 * /dated: 23-08-2025 & & / bid document 1 / 40