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| 1 | Supply, installation, testing and commissioning of 250A, 415V, 4 Pole On Load Changeover- Switch disconnector without enclosure in the MV paneli/c disconnecting and dismantling existing TPN switch i/c bus bar connections , S/F spreader terminals, making connections with the armoured UG cables ,sign writing , testing and commissioning etc as required. (Note:- Make:- M/s L&T CO3 -250 orHPL socomec/ Similar superior BSNL approved make.)(For transformers -COS1) |
| 2 | Supply, installation, testing and commissioning of 250A, 415V, 4 Pole On Load Changeover- Switch disconnector without enclosure in the MV paneli/c disconnecting and dismantling existing TPN switch i/c bus bar connections, S/F spreader terminals, making connections with thearmoured UG cables ,sign writing ,, testing and commissioning etc as required. (Note:- Make:- M/s L&T CO3 -250 orHPL socomec/ Similar superior BSNL approved make.)(For EB supply and 160KVA EA set -COS-2) |
| 3 | Executing associated works in connection with modification of Supply Change over arrangement in MV Panel at TE Thiruvalla as follows. |
| 4 | Dismantling and re-arranging of power cables forthe following |
| 5 | Disconnecting the existing 630A changeover switch i/c recovering cables and shifting the panel to the nearbylocation of MV panelas required i/cfixing the panel,making good thedamages ,sign writing etc as required. |
| 6 | Disconnecting the existing 630A changeover switch out put cablei/c recoveringthe same cableand connect itto the out put of shifted 630 Achangeover panel to the bus bar of MV panel as required |
| 7 | Disconnecting the500 KVA EA supply from the AMF paneli/c recovering 500KVA EA set cables , connecting the out put cable of 500KVA EA set to the shifted 630 Achangeover panelas required |
| 8 | Disconnecting theEB supply from the AMF paneli/c recovering the same cables , connecting thesame cablefrom changeover switch of transformers to the changeover switch of the EB and 160 KVA EA setas required |
| 9 | Disconnecting the one number 3.5 core 300 sq:mm UG cable from the engine side of each 160/500 KVA EA set . |
| 10 | Note - Agency has to provide necessary temporary cables for extending EB/EA supply to the MV panel for maintaining the supply continuity to the exchange at thetime of doing the installation work. |
| 11 | Complete as above (Sl: No.2 to 2.7) |
| 12 | Supplying and layingone number 3.5 Core 150 Sq:mmPVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade in ground, loose in panel /on surface of wall/duct i/c plastering portion of cable in ground . |
| 13 | Supplying and making end termination with brass compression gland and aluminium lugs for the following size of pvc insulated and pvc sheathed cable of 1.1 KV grade as required. …....31/2x 150 Sq:mm |
| 14 | Supplying and makingaluminium lugs for the following size of pvc insulated and pvc sheathed cable of 1.1 KV grade as required. |
| 15 | 31/2x 300 Sq:mm |
| 16 | 31/2x 150 Sq:mm |
| 17 | Providing and fixing 8 SWG dia G.I. wire on surface or in recess for loop earthing as required. |
