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| 1 | Attending to break down calls, physical inspection of Substation accessories, overhead lines, feeder panels, meter box etc. to find out the faults and taking corrective measures for restoration of power supply i/c minor repairing works i/c replacement of insulators, LAs, jumpers, lugs/sockets etc. in coordination with supply authority etc. as required. |
| 2 | Liaison with different units of the supply authority i.e. Field units, MRT units, Division office etc. for obtaining shut down of 11KV line, breaking of meter seal if required to carry out the major repairing and maintenance works of the Transformer substation/replacement/rewinding and re-installation of the repaired Transformer, re-energisation, testing and re-commissioning etc. as required. |
| 3 | Thorough servicing of AB Switch, adjustment of bearings, male/female contacts, lubricating of moving items i/c replacement of minor defective parts like nuts, bolts, clamps, wire braided copper strips and checking the functional operation, etc. as required. |
| 4 | Replacement of the following defective spare parts of the transformer substation by new one i/c fitting, connection etc. as reqd. (a) Male contact and Female contacts made of hard drawn copper for 200 Amps air break switch with wire braided strip etc. comprising of 3nos per set. |
| 5 | Rotor mechanism for 200 Amps air break switch. |
| 6 | Square/round bar for AB switch (Horizontal unit) |
| 7 | 11KV Post Insulator for 200Amps AB switch/ HG fuse unit |
| 8 | Operating Handle made of 25/32mm Medium class GI pipe with wire braided copper strip |
| 9 | Heavy duty operating pipe for air break switch i/c fabrication etc. as required. |
| 10 | Replacement of faulty/damaged pin insulators by new one of 11 KV grade pin type insulator with large steel head G.I. pin, nuts, washers on existing HT pole/ DP structure etc. complete as required. |
| 11 | Replacement of faulty/damaged disc insulators by new one of 11 KV, 45 KN porcelain disc insulator with galvanized insulator fittings, ball and socket type and complete with galvanized strain clamps, bolts, nuts, washers etc. as required. |
| 12 | Replacement of damaged and unserviceable AB switch of the following type by new one of 11 KV, off load, single break, triple pole, horizontal type, gang operated air break switch having 2 nos. 11 KV post type insulator per phase complete with galvanized channel iron base, arcing horns, 25 mm dia. 6mtr. long GI pipe, tinned copper wire braided flexible earthing wire & operating handle with locking arrangement etc. complete as required. (a) 200 A Horizontal type |
| 13 | (b) 400 A Horizontal type |
| 14 | Dismantling of existing faulty HT cable 3 core, 11 KV grade XLPE insulated ,galvanised steel armoured earthed type 35 sqmm stranded Al conductor power cable overall PVC sheated from overhead along with one no 55 sqmm AAA conductor load bearer wire i/c necessary meggering /identification of fault etc complete as required.( 1 span=30mtrs ) |
| 15 | Replacement of faulty 11KV outdoor type cable end terminations by new one of heat shrinkable type complete with all accessories including lugs suitable for 3 core, 35 sqmm, XLPE aluminium conductor cable of 11 KV grade as required. |
| 16 | Replacement of faulty/burnt out straight through cable joints by new one of outdoor type heat shrinkable type complete with all accessories including lugs suitable for 3 core, 35 sqmm, XLPE aluminium conductor cable of 11 KV grade as required. |
| 17 | Rewiring of the DP structure of Transformer Sub Station with 55sqmm AAA /50sqmm insulated Al.conductor stranded cable with al. Lugs/sockets, binding with post insulators etc. complete as required. |
| 18 | Replacement of faulty/burnt out cables by new one including Laying of following sizes PVC insulated & PVC sheathed Aluminium conductor armoured cable 650/1100 V. grade confirming to IS : 7098 (Part-1) 1988 i/c transportation to respective sites etc. as required. (a) 4 core 16 sqmm |
| 19 | 4 core 25 sqmm |
| 20 | Replacement of damaged MV cable end terminations with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. (a) 4 X 16 sq. mm (28mm) |
| 21 | 4 X 25 sq. mm (28mm) |
| 22 | Replacement of the defective parts/components by new ones of following sizes & ratings aluminium/copper sockets/lugs for PVC sheathed / XLPE aluminium/copper conductor cable of 1.1 KV grade i/c fixing/crimping etc. as required. (a) 16/25 sqmm Al socket. |
| 23 | 35 sqmm Al socket. |
| 24 | 55 sqmm Al socket. |
| 25 | Dismantling the following ratings faulty transformer from the existing D.P. structure/Plinth & installation of standby/repaired transformer i/c testing and commissioning, recording the required parameters etc. by qualified staff, arranging required tools & plant with proper precautionary measures etc. as required. (a) 25 KVA, 11KV/0.415KV, 50 Hz Aluminium wound oil cooled Transformer |
| 26 | Repairing of 25 KVA Aluminium/ copper wounded transformer at site i/c opening top cover, checking the bush, inter connections wires/strips from bushings to transformer windings, tightening the connections, etc. as required. (Rewinding of Transformer is not in the scope of this item) Please Enable Macros to View BoQ information |
| 27 | Repairing of 25 KVA Aluminium/ copper wounded transformer at site i/c opening top cover, checking the bush, inter connections wires/strips from bushings to transformer windings, tightening the connections, etc. as required. (Rewinding of Transformer is not in the scope of this item) Please Enable Macros to View BoQ information |
