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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 | (b) Rotor mechanism for 200 Amps air break switch. |
| 6 | (c) Square/round bar for AB switch (Horizontal unit) |
| 7 | (d) 11KV Post Insulator for 200Amps AB switch/ HG fuse unit |
| 8 | (e)Operating Handle made of 25/32mm Medium class GI pipe with wire braided copper strip |
| 9 | (f) Heavy duty operating pipe for air break switch i/c fabrication etc. as required. |
| 10 | Replacement of damaged breather for 25 KVA 11KV/0.415KV transformer by a new one with dry silica gel etc. as required. |
| 11 | 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. |
| 12 | 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. |
| 13 | Replacement of faulty Lightening arrestors by new ones of nonlinear resistor type lightning arrestor suitable for 3 wire, 11 KV overhead lines with rated voltage 9 KV (rms) with a nominal discharge current rating of 5 KA and complete with galvanized clamping arrangement, G.I. bolts, nuts, washers etc. as required, comprising of 3nos per set. |
| 14 | Replacement of damaged and unserviceable AB switch 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. |
| 15 | Replacement of damaged and unserviceable DO/HG fuse units by new one of 3 phase, 11 KV outdoor type Horn Gap Fuse unit having 2 nos. 11 KV post type insulator per phase complete with channel, cu-wire etc. as required. (one set comprising 3 units). |
| 16 | Supply & drawing of 55 sqmm. AAA conductor for overhead line and DP structures i/c binding with insulators etc. complete as required. |
| 17 | Replacement of faulty/burnt out HT cable by supply & Laying of new 3 core, 35sqmm HT XLPE insulated Cable of 6.6 KV (UE)/11KV (E), Stranded compact circular aluminium conductor, conductor screen with extruded semiconducting compound, XLPE insulated, insulation screening with extruded semi conducting compound in combination with copper tape (0.3 KA for 1 sec), cores laid up, inner sheath of PVC tape, galvanized flat steel strip armoured and overall PVC sheathed confirming to IS 7098/PART-II-1985 with latest amendments. |
| 18 | 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. |
| 19 | 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 ) |
| 20 | Laying and drawing of existing repaired HT cable 3 core, 11 KV grade XLPE insulated ,galvanised steel armoured earthed type 35 sqmm stranded Al conductor power cable overall PVC sheated on overhead along with one no 55 sqmm AAA conductor load bearer wire complete as required.( 1 span=30mtrs ) |
| 21 | 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. |
| 22 | 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 |
| 23 | Repairing of 25 KVA Aluminium/copper wounded transformer at factory/workshop by dismantling the faulty transformer, re-insulating the windings, heating, reassembling i/c replacement of gaskets, nuts & bolts, washers, carry out factory tests etc. complete as required. (Rewinding of Transformer is not in the scope of this item) |
| 24 | 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 |
| 25 | 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 |
