Defence Research And Development Organisation -DRADO has published Repair And Maint Of Distribution Transformers Of Different Capacity And Apfc Panel In Zone-A And Zone-C At Defence Lab Jodhpur. Submission Date for this Tender is 12-10-2022. Distribution Transformer Tenders in jodhpur Rajasthan. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 05-Oct-2022 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 12-10-2022 |
| Sl. No. | Item Description |
| 1 | Taking out Transformer from its Positionfor repair / servicing / rewindingofcapacity315 KVA , 11/0.433 Volts,by disconnecting /openingHV, LV Electrical connections, earthing connections along with following other works. |
| 2 | (a) Transporting transformer to workshop and back to siteby making necessary arrangements of T&P (crane, recovery, vehicle, tripoid to be arranged by firm) as directed. (b) Opening of transformer top cover by extraction ,removingof serviceable - unserviceable nuts bolts and washers. (c) Draining out of transformer oil and keeping in safe custody for reuse. (d) Lifting primary coil (HT) and secondary coil (LT), dismantaling of transformer complete part by part carefully, and display all the parts without damaging any portion and ascertain the serviceability of parts and quantam of repairs involved. (e) Refilling topping up of transformer oil after dehyderation and filteration in transformer. (f) Reassembling the transformercomplete with all existingserviceable parts, and new parts as requied. (g) Reinstall the Transformer at site in position as directed after repair connecting HV, LV electrical connections, earthing connections and testing to entire satisfaction on load. Note:- (a) Rewinding , reinsulation of Primary and secondary coil with copper winding wire, dehydration and filteration of transformer oil, and replacement of unserviceable spares shall be measured and paid seperately under appropriate Item of schedule. (b) Renewal ofadequate size Nut, bolts & washers of transformer top cover shall deemed to be included in UNIT RATE QUOATED. |
| 3 | M&L for rewinding HT coil of11/ 0.433 KV Transformerany capacity using proper size DPC copper wire and insulation material , heating coils in heat chamber after rewindingincluding taking out carefully burnt unserviceable copper winding of coils complete all as specified and directed by Engineer-in-charge. |
| 4 | M&L for rewinding LT coil of11/ 0.433 KV Transformerany capacity using proper size DPC copper wire and insulation material , heating coils in heat chamber after rewindingincluding taking out carefully burnt unserviceable copper winding of coils complete all as specified and directed by Engineer-in-charge. |
| 5 | Disconnecting HT/LT Connection before Repair /servicing and testing of distribution transformer at site of capacity 63 KVA to 400 KVA installed on Plinth/ Pole mountedstructure byopening top cover& replacingunserviceable spares / components of transformer ,without lifting core assembely reassemblingafter repair & testing complete allas specified anddirected by Engr-in-Charge.Note:- (a) Rewinding of transformer HT/LT Coils shall be carried out from ISO certified 2008 Coy. (b) Dehydration and filteration of transformer oil, and replacement of unserviceable spares shall be measured and paid seperately under appropriate Item of schedulehowever cost of renewal of Nut, bolts & washers shall deemed to be included in UNIT RATE QUOTED. |
| 6 | Supply and Fixing Ceramic Bush insulators on LT side as per existing size, shape and specification for capacity 63 KVA, 11/0.433 Volts transformers |
| 7 | Supply and Fixing Ceramic Bush insulators on LT side as perexisting size, shape and specification for capacity 100 to 160 KVA, 11/0.433 Voltstransformers |
| 8 | Supply and Fixing Ceramic Bush insulators on LT side as perexisting size, shape and specification for capacity 250 to 400 KVA, 11/0.433 Voltstransformers |
| 9 | Supply and Fixing brass spindleon LT side as per existing size, shape and specification for capacity 63 KVA, 11/0.433 Voltstransformers |
| 10 | Supply and Fixing brass spindleon LT side as per existing size, shape and specification for capacity 100 to 160 KVA, 11/0.433 Voltstransformers |
| 11 | Supply and Fixing brass spindleon LT side as per existing size, shape and specification for capacity 250 to 400 KVA , 11/0.433 Volts transformers |
| 12 | Supply and Fixing cork sheet gasket(set of four) for ceramic bushing on LT side as per existing size, shape and specification complete for capacity 63 KVA, 11/0.433 Volts transformers |
| 13 | Supply and Fixing cork sheet gasket(set of four) for ceramic bushing on LT side as per existing size, shape and specification complete for capacity 100 to 160 KVA, 11/0.433 Volts transformers |
| 14 | Supply and fixing cork sheet gasket(set of four) for ceramic bushing on LT side as per existing size, shape and specification complete for capacity 250 to 400 KVA, 11/0.433 Volts transformers |
| 15 | Supply and Fixing Ceramic Bush insulators on HT side as per existing size, shape and specification for capacity 63 KVA, 11/0.433 Volts transformers |
| 16 | Supply and fixingCeramic Bush insulators on HT side as perexisting size, shape and specification for capacity 100 to 160 KVA, 11/0.433 Voltstransformers |
| 17 | Supply and Fixing Ceramic Bush insulators on HT side as perexisting size, shape and specification for capacity 250 to 400 KVA, 11/0.433 Voltstransformers |
| 18 | Supply and Fixing brass spindleon HT side as per existing size, shape and specification for capacity 63 KVA, 11/0.433 Voltstransformers |
| 19 | Supply and Fixing brass spindleon HT side as per existing size, shape and specification for capacity 100 to 160 KVA, 11/0.433 Voltstransformers |
| 20 | Supply and Fixing brass spindleon HT side as per existing size, shape and specification for capacity 250 to 400 KVA , 11/0.433 Volts transformers |
| 21 | Supply and Fixing top cover gasket set as per existing size, shape and specification complete for capacity 63 KVA , 11/0.433 Voltstransformers |
| 22 | Supply and Fixing top cover gasket set as per existing size, shape and specification complete for capacity 100 to 160 KVA, 11/0.433 Voltstransformers |
| 23 | Supply and Fixing top cover gasket set as per existing size, shape and specification complete for capacity 250 to 400 KVA, 11/0.433 Voltstransformers |
| 24 | Supply and Fixing set of gasket (rubberized cork )as per existing size, shape and specification complete for capacity63 KVA , 11/0.433 Volts transformers |
| 25 | Supply and Fixing set of gasket (rubberized cork )as per existing size, shape and specification complete for capacity 100 to 160 KVA , 11/0.433 Volts transformers |
| 26 | Supply and Fixing breather assembly as per existing size, shape and specification complete for capacity 63 KVA , 11/0.433 Voltstransformers |
| 27 | Supply and Fixing breather assembly as per existing size, shape and specification complete for capacity 100 to 160 KVA, 11/0.433 Voltstransformers |
| 28 | Supply and Fixing breather assembly as per existing size, shape and specification complete for capacity 250 to 400 KVA, 11/0.433 Voltstransformers |
| 29 | Supply and Fixing Tap Changer as per existing size, shape and specification complete for capacity 63 KVA , 11/0.433 Voltstransformers |
| 30 | Supply and Fixing Tap Changer as per existing size, shape and specification complete for capacity 100 to 160 KVA, 11/0.433 Voltstransformers |
| 31 | Supply and Fixing Tap Changer as per existing size, shape and specification complete for capacity 250 to 400 KVA, 11/0.433 Voltstransformers |
| 32 | Supply &filling up of transformer oil conforming to IS -335 of 1993 as in topping up / replacementup to desired level of transformer oil capacity complete all as specified and directed by Engineer-in-charge. [Note: Dielectric strength of oil should not be less than 42 KV/cm complete all as specified and directed.] (Make : GULF/POWER OIL or equivalent as approved by AGE) |
| 33 | Supply and fixing as in replacementTemperature Guage as per existing size, shape and specification complete for capacity 63 KVA , 11/0.433 Voltstransformers including taking down old unserviceable complete all as specified and directed by Engineer-in-charge. |
| 34 | Supply and fixing as in replacementTemperature Guage Changer as per existing size, shape and specification complete for capacity 100 to 160 KVA, 11/0.433 Voltstransformers including taking down old unserviceable complete all as specified and directed by Engineer-in-charge. |
| 35 | Supply and fixing as in replacementTemperature Guageas per existing size, shape and specification complete for capacity 250 to 400 KVA, 11/0.433 Voltstransformers completeincluding taking down old unserviceable complete all as specified and directed by Engineer-in-charge. |
| 36 | Supply and fixing as in replacementpair of arcing horns suitable fortransformer capacity63 to 400 KVA, 11/0.433 Volts including taking down old unserviceable complete all as specified and directed by Engineer-in-charge. |
| 37 | Supply and replacing silica gel in crystal form of breather assembly of transformer capacity upto 63 to 400 KVA atinstalled sitecomplete including taking down old unserviceable complete all as specified and directed by Engineer-in-charge. |
| 38 | Material & Labour for 32 mm dia gunmetal drain valve of transformer as per existing one including taking down old unserviceable complete all as specified and directed by Engineer-in-charge. |
| 39 | Material & Labour for 25 mm dia gunmetal drain valve of transformer as per existing one including taking down old unserviceable complete all as specified and directed by Engineer-in-charge. |
| 40 | Material & Labour for 20 mm dia gunmetal drain valve of transformer as per existing one including taking down old unserviceable complete all as specified and directed by Engineer-in-charge. |
| 41 | M&L for preparation of old painted steel or iron surfaces of transformer of 63 to 160 KVA , 11/0.433 Volts capacity transformers by scrapping with steel wire brush/scrapper emery paper, etc. and applying two coats of synthetic enamel smoke grey paint over a coat of red oxide primer (painting shall be done by spray machine) including writing of SM No, MES No etc. at prominent place/location of transformer with black synthetic enamel thick paint in white back ground complete all as specified and directed by Engineer-in-charge. |
| 42 | M&L for preparation of old painted steel or iron surfaces of transformer of250 to 400 KVA, 11/0.433 Volts capacity transformersby scrapping with steel wire brush/scrapper emery paper, etc. and applying two coats of synthetic enamel smoke grey paint over a coat of red oxide primer (painting shall be done by spray machine) including writing of SM No, MES No etc. at prominent place/location of transformer with black synthetic enamel thick paint in white back ground complete all as specified and directed by Engineer-in-charge. |
| 43 | M&L Earthing complete with Copper earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground (earth pit not less than 2.25 metre deep below ground level) with top edge of plate not less than 1.5 metre below normal ground level connected to galvanized earth strip 32x6 mmby means of bolts, nuts, check nuts and washers of galvanized iron or steel all as shown in electrical plate No 3 of MES SSR Part-I connected to main switch board or main control board all as specified and testing on completion including provision of earth strip protected by galvanized iron 40 mm dia light grade pipe and watering pipe shall be 20 mm bore light grade including all excavation and earth work in any type of soil, PCC pit with pre-cast RCC cover, charcoal/salt, funnel etc including taking out old un-serviceableearthing, complete all as directed by Engineer-in-charge. Note: (i) The concrete pit shall be PCC 1:3:6 type C-1, 40mm thick pre-cast cover slab of RCC (1:2:4) type B-1 using 20mm graded crushed stone aggregate, reinforced with 8mm TMT bars @ 10 cm c/c on both sides with suitable cast iron handle shall be provided in lieu of cast iron cover shown in electrical plate No. 3 of MES SSR Part-I., (ii) Item includes the cost of GI pipe up to 7.5mfor protection of earth strip and 32X6 mm GI strip up to 7.50 m length (iii) PCC pit shall be provided at least 500 mm away from the pit and not on the earth pit itself and the extra cost of additional length of watering pipe, bends, elbow etc shall be deemed included in the unit rate. |
| 44 | Dismantling unserviceable Lightning Arresters with all fittings of any description, complete all as specified and as directed by Engineer-in-charge. |
| 45 | M &L Lightning arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 KA , 11000V grade complete all as specified and directed by Engineer-in-charge. |
| 46 | Dismantling Pin/Disc type insulators with all fittings of any description,Discharge capacity and size, complete all as specified and directed by Engineer-in-charge. |
| 47 | M&L pin type,porcelain,vitreous,white,brown or green insulator including one galvanised mild steel spindle,two galvanised iron washers and one galvanised iron nut, 150mm Height, 150mm dia for 11000 Volt Grade, complete all as specified and directed by Engineer-in-charge. |
| 48 | M &L Disc type insulator, porcelain, vitreous 145mm high and 255mm dia ball and socket type white, brown or green, ‘two-in-seriesassembly’ for tension with tension clamps for conductors, working pressure 11000 Volt, complete all as specified and directed by Engineer-in-charge. |
| 49 | Dismantling Air Break Gang operated switches,Vertical/Horizontal Mounted including insulators and operating mechanism for repair/replacement of broken/worn out component and insulators or carrying to MES store or credited to contractor, complete all as specified and directed by Engineer-in-charge. |
| 50 | M & L Switch Air Break, Gang operated, Triple Pole, Mechanically Operated, mounted on Insulators and Steel Frame with Operating Mechanism worked from ground level,current rating upto 200 to 400 Amps complete all as specified and as directed by Engineer-in-charge. |
| 51 | Supply and fix in replacement of unserviceable PT of 11 KVA/110 Volt all as per existing make complete all as specified and directed by Engineer-in charge. |
| 52 | Shifting and Mounting of Transformer 250 KVA & 315 KVA on RCC Platform from gound surface and joined all HT/LT connections to required site complete all as specified and directed by Engr-in-charge. |
| 53 | Repairs GOD and Drop out fuse unit set9/12 insulator typecomplete including replacement of all UNSVjumpers, aluminium lugs, nut bolts ,changing of U clips/Feeze clamp of horizontal/verticalclamps, applying greasing to exixting GOD and DO for smooth functioning including necessary adjustment complete all as specified and directed by Engineer-in-charge. |
| 54 | Supply and Fix in repair Digital Volt Meter for 11/0.433 KV alongwith control wiring suitable for complete all as specified and directed by Engineer-in-charge. |
| 55 | Supply and Fix in repair Digital Amp Meter for 11/0.433 KV alongwith wiring suitable for complete all as specified and directed by Engineer-in-charge. |
| 56 | S&F in repair Selector Switch with control wiring for 11/0.433 KV complete all as specified and dirceted by Engr-in-charge. |
| 57 | S&F in repair LED indicator (R,Y,B) for 11/0.433 KV,110 Volt, with control wiring complete all as specified and dirceted by Engr-in-charge. |
| 58 | Supply & Fixing Four pole contactor 25 to 30 Amp including taking down old unserviceable contactor complete all as specified and dirceted by Engr-in-charge. |
| 59 | Supply & Fixing Four pole contactor 35 to 40 Amp including taking down old unserviceable contactor complete all as specified and dirceted by Engr-in-charge. |
| 60 | Supply & Fix MCB, Triple Pole, 32 Amp including taking down old unserviceable complete all as specified and dirceted by Engr-in-charge. |
| 61 | Supply & Fix MCB, Triple Pole, 40 Amp including taking down old unserviceable complete all as specified and dirceted by Engr-in-charge. |
| 62 | M&L for Cable jointing Kit for 11 Kv (Earthered) grade cable for outdoor termination Heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 sqmm complete all as specified and directed by Engr-in-charge. |
| 63 | M&L for Cable jointing Kit for 11 Kv (Earthered) grade cable for outdoor termination Heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and directed by Engr-in-charge. |
| 64 | M&L for Replacement of any defective capacitor of Rating 1 KVAR to meet the requirement for power factor complete all as specified and directed by Engineer-in-charge. |
| 65 | M&L for Replacement of any defective capacitor of Rating 3 KVAR to meet the requirement for power factor complete all as specified and directed by Engineer-in-charge. |
| 66 | M&L for Replacement of any defective capacitor of Rating 4 KVAR to meet the requirement for power factor complete all as specified and directed by Engineer-in-charge. |
| 67 | M&L for Replacement of any defective capacitor of Rating 7 KVAR to meet the requirement for power factor complete all as specified and directed by Engineer-in-charge. |
| 68 | M&L for Replacement of any defective capacitor of Rating 10 KVARto meet the requirement for power factor complete all as specified and directed by Engineer-in-charge. |
| 69 | M&L for Replacement of any defective capacitor of Rating 12 KVAR to meet the requirement for power factor complete all as specified and directed by Engineer-in-charge. |
| 70 | M&L for Replacement of any defective capacitor of Rating 15 KVAR to meet the requirement for power factor complete all as specified and directed by Engineer-in-charge. |
| 71 | Supply and fix in replacement of unserviceable CT for LT with ratio (1000/5) all as per existing make by commissioning and installing complete all as specified and directed by Engineer-in charge. |
| 72 | Supply and fix in replacement of unserviceable CT for LT with ratio (1250/5) all as per existing make by commissioning and installing complete all as specified and directed by Engineer-in charge. |
| 73 | Servicing, Testing & Commissionig of allexisting APFC Panel including all others connected accessories and complete wiring required at site complete all as specified and directed by Engineer-in charge. Note: Spares parts replaced with new paid saperately. |
| 74 | Supply and fix in replacement of unserviceable Power factor Control relay for 12 stage all as per existing make by commissioning and installing complete all as specified and directed by Engineer-in charge. Make:- Siemens, L&T, schneider, Epcos, Havells, IndoAsian, Legrand,ABB |
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