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| 1 | On load filteration of transformer oil by contineous circulation of transformer oil through mechanical filters to achive the desired dielectric strength of 60 KV for one minute at 2.5 mm gap complete all as specified and directed.Note: 1.Oil samples are to be collected from top and bottom of oil tank and test results to be recorded for each sample before and after filteration. |
| 2 | Supply and topping up transformer oil of dielectric strength 50 KV at 4 mm gap in transformers of various capacity installed in various locations complete all as specified and directed. Notes : (a) New Transformer oil will be filled in the transformer only after filteration and dehydration of existing transformer oil of the transformer. (b) Transformer oil shall be supplied in sealed barrel with test result and test certificate. |
| 3 | Material and labour for straight through joint,heat shrinkable type for under ground cable including joint kits and labour complete for making joints suitable for aluminium conductor cable XLPE,3 core, 95 sqmm,22 KV including taking down existing unserviceable joint complete all as specified and directed by Engineer-in-charge. |
| 4 | Material and labour for indoor type end termination joint, heat shrinkable type for under ground cable including joint kits and labour complete for making joints suitable for aluminium conductor cable XLPE, 3 core, 95 sqmm, 22 KV including taking down existing unserviceable joint complete all as specified and directed by Engr-in-charge. |
| 5 | Excavation in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre deep and getting out in Hard soil complete all as specified and directed. |
| 6 | All as per item No 6 above but Soft disintegrated rock complete all as specified and directed. |
| 7 | Earth Work Excavation in trenches n.exc. 1.5 Metre wide and exc. 1.5 m and n.exc 3.0 m deep for pole foundation etc and getting out in soft desintegrated rock complete all as spcified and directed by Engineer-in-Charge. |
| 8 | Returning, filling in soil including spreading, levelling, watering and well ramming in layers not exceeding 25 cm complete all as spcified and directed. |
| 9 | Removal of excavated soil to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point complete all as spcified and directed. |
| 10 | Material and labour for riddled earth filling in trenches to required width at bottom and top of cable as cushioning including spreading leveling and consolidation complete all as specified and as directed. Note : Punned thickness shall only measured and paid. |
| 11 | Supply and lay in trench un-reinforced precast concrete cable cover class LV type 1, flat size 250mm x 150mm x 40mm for cable protection complete all as specified and directed by the Engr-in-charge |
| 12 | Supply and lay in trenches un-reinforced precast concrete cable cover class HV, Type I, flat, size 300 mm x180mm x 40mm for cable protection complete all as specified and directed by the Engr-in-Charge. |
| 13 | Repair and overhauling to gang operated air brake switch device upto 400 Amps,22 KV capacity including greasing/oiling of all moving contacts, replacement of nuts, washers of suitable size, unserviceable spares and jumper connections in all phases for smooth functioning of all moving contacts of GOD complete all as specified and directed. Note : (i) Contractor shall provide all safety tools like HT hand gloves, ladder, rope, safety belt, helmet etc, T&P meggar, earth tester and other necessary tools required at site.(ii) Spares required to be replaced shall be measured and paid separately as \\"Supply only\\" and fixing charges for the same is deemed to include in the rates quoted for the item. |
| 14 | Supply only Female contact /fix contact jaw arcing horn for gang operated AB switch devices suitable for 22 KV complete all as specified and directed. |
| 15 | Supply only Male contact/moving contact with blade arcing horn of gang operated AB switch devices suitable for 22 KV complete all as specified and directed |
| 16 | Supply only Tinned copper flexible jumper 200/400 Amps of suitable length |
| 17 | Supply only Post top Polymer insulators of gang operated AB switch devices complete all as specified and directed |
| 18 | Supply only Middle post Polymer insulators of gang operated AB switch devices complete all as specified and directed |
| 19 | Supply only Bottom post Polymer insulators of gang operated AB switch devices complete all as specified and directed |
| 20 | Supply only MS jumper carrier complete all as specified and directed. |
| 21 | Supply only back connector plate complete all as specified and directed. |
| 22 | Supply only GI pipe, light grade 25 mm dia made to shape for gang operating from ground complete all as specified and directed. |
| 23 | Repairs to drop out fuse complete upto 400 Amps,22 KV capacity including replacement of worn out nut bolts,washers,of suitable size /unserviceable spares and jumper connections for smooth functioning of the devices complete all as specified and directed by Engr-in-charge. Note : Unserviceable spares and jumper connections replaced will be measured and paid seprately as \\"Supply only\\" |
| 24 | Supply only the following items:-(a) Top contact/L contact for drop out fuse. complete all as specified and directed |
| 25 | (b) bottom contact for drop out fuse. complete all as specified and directed |
| 26 | (c) Post insulators of drop out fuse. complete all as specified and directed. |
| 27 | Material and labour for ACSR conductor (Ferret) jumper connections of following lengths both ends secured with suitable aluminium lugs as per site requirement encased with polythylene sleeve, RYB colours of suitable dia complete all as specified and directed for :-a) Not exceeding 0.75 metre length. |
| 28 | b) Exceeding 0.75 metre length but not exceeding 1.5 metre length. |
| 29 | c) Exceeding 1.5 metre length but not exceeding 2.5 metre length. |
| 30 | d) Exceeding 2.5 metre length but not exceeding 3.0 metre length. |
| 31 | Material and labour for HT insulation Self Bonding Electrical Tape for terminal protection outdoor/indoor for HT switch gears and Transformer of 22 KV grade, width 40 mm and length 10 mtr balck and Brick red colour complete all as specified and directed.Note : Applying tape on 03 core of each termination outdoor/indoor of tranformer, VCB or termination of HT 2 pole/3pole/4 pole structure will be measured as one job for payment purpose. |
| 32 | Supply install testing and commissioning of 22 KV outdoor type Polymer based gang operated air brake switch triple pole, suitable for verticle mounting complete with explusion fuses, GI operating rod of suitable length for operating mechanism worked from ground level complete in both OFF and ON positions, for current rating upto 200 Amps,each pole consist of galvanised steel base HT insulators 9 Nos as per BSS/ISS non ferrous knife and spring loaded contacts, arcing horns of adequate section to brake magenetizing current of the transformers. All ferrous parts hot dipped galvanised and non ferrous parts suitably tinned to withstand weather including taking down unserviceable AB switch complete all as specified and directed. |
| 33 | Supply install testing and commissioning of 22 KV outdoor type Polymer based gang operated air brake switch triple pole, suitable for verticle mounting complete with explusion fuses, GI operating rod of suitable length for operating mechanism worked from ground level complete in both OFF and ON positions, for current rating upto 400 Amps,each pole consist of galvanised steel base HT insulators 9 Nos as per BSS/ISS non ferrous knife and spring loaded contacts, arcing horns of adequate section to brake magenetizing current of the transformers. All ferrous parts hot dipped galvanised and non ferrous parts suitably tinned to withstand weather including taking down unserviceable AB switch complete all as specified and directed. |
| 34 | Supply and fixing in repair Polymer based dropout fuse unit complete set suitable and including for 22 KV, HT outdoor and dropout type of capacity 200/400 Amps including jumper connections, testing and commissioning all as per the directions of Engr-in-charge |
| 35 | S&F in repair distribution lightning arrestor (Set of 3), suitable to system voltage 24 KV, rating of LA 18 KV, discharge class II, nominal discharge current 10 KA with all fittings bolts nuts and washers etc all as specified and directed. |
| 36 | Supply and fixing in repair Polymer Pin type insulator of 22 KV including necessary hardware complete all as specified and directed by Engr-in-Charge. |
| 37 | Supply and fixed in repair Polymer disc type insulator, ball and socket type, white brown or green for 22KV including necessary hardware complete all as specified and directecd. |
| 38 | M&L for preparation of old painted steel surface of 6/4/2 pole structure HT street light HT steel tubular poles 11 mtr long above GL/coping including cross arms, channels, Flat iron, Clamps in HT OH line by scraping with wire brush and applying one coat of aluminium paint including pole numbering all as specified and directed by Engr-in-charge for the following types:-a) HT 6 Pole structure 11 mtrs long including channels, nut, bolts and clamps complete |
| 39 | b) HT 4 Pole structure 11 mtrs long including channels, nut, bolts and clamps complete |
| 40 | c) HT 2 Pole structure 11 mtrs long including channels, nut, bolts and clamps complete |
| 41 | d) HT pole 11 mtrs long including channels, nut, bolts and clamps complete |
| 42 | Disconnecting the Pole mounted / Platform mounted indoor /out door type transformer situated at various locations installed inside HEMRL sub station 22 / 0.433 KV of any make and transporting to workshop for repairs / rewinding, Dismantling the transformer and accessories, removing insulating oil, taking out the core assembly, taking out the defective winding, cleaning the transformer complete internally and externally, rewinding HT/LT coil with new copper super enamelled wire / copper strip of existing size, providing new insulation, sleeves for outlet connections, ovening the complete core assembly, reassembling, including dehydration and filtration of Transformer oil to achieve desired dielectric strength, carrying out routine test, re-installation and commissioning complete all as specified and directed for under mentioned capacity. The repair work also includes the routine tests i.e. IR value, High voltage test, Ratio test, short circuit test & BD value of oil of the transformer to be carried out all as directed and to the satisfaction of Engineer-in-charge.(a) 50 to 200 KVA |
| 43 | (b) 250 to 315 KVA |
| 44 | (c) 350 to 500 KVANote item No 42 to 44:-(i) Copper winding wire / strip will be measured and paid separately. (ii) Transformer oil for filtration and addtional quanties for topping up will be measured and paid separately. (iii) Credit shall be recovered for the retrieved materials under Sch of Credit. Items not mentioned in Sch of Credit shall be deposited by the contractor in th MES storeyard. (iv) Defective parts if any to be replaced will be measured and paid separately as \\"Supply only\\". |
| 45 | Supply only super enamelled copper winding wire of various gauges or existing specifications for repair and rewinding of transformers under item No. 43 to 45 primary and secondry coils including necessary class of insulation complete all as specified and directed. |
| 46 | Supply only DPC copper strip of various gauges or existing specifications for repair and rewinding of transformers under item No. 42 to 44 primary and secondry coils including necessary class of insulation complete all as specified and directed. |
| 47 | Material and labour for carrying out Lab test for acidity of Transformer oil for various Transformers and submitting test report on the format complete all as specified and directed. |
| 48 | Disconnecting the transformer outdoor type from HT/ LT system and opening carefully by draining out transformer oil upto HT/LT boxes for rectifying the leakage by replacing the unserviceable spare parts of capacity 50KVA to 750 KVA transformer, refilling the transformer oil and complete assembling after repairs including testing for any oil leakages and connecting the HT/LT system after the leakages have been rectified and tested on available electric load complete all as specified and directed. Note : Defective parts replaced will be measured and paid separately as \\"Supply only\\" here in after. |
| 49 | Supply only LT bushings 250 Amps with brass studs of existing specification complete all as specified and directed. |
| 50 | Supply only LT bushings 400 Amps with brass studs of existing specification complete all as specified and directed. |
| 51 | Supply only LT bushings 1000 Amps with brass studs of existing specification complete all as specified and directed. |
| 52 | Supply only top cover gasket set complete all as specified and directed. |
| 53 | Supply only oil level indicator gasket set with Glass |
| 54 | Supply only HT bushing with stud for 22 KV of existing specification. |
| 55 | Supply and filling silica gel in exisitng breather assembly |
| 56 | Supply and fixing of breather for 400/500 KVA Transformer |
| 57 | Supply and fixing of breather for 200/250 KVA Transformer |
| 58 | Supply fixing in repair explosion vent diaphragm of suitable size to match with the exisitng complete all as specified and directed |
| 59 | M&L for preparation of old painted surfaces of transformer, removing rusted scale/oil & painting of transformer with one coat of synthetic enamel paint of approved make duly Marking/ Writting MES/SM No. all as directed by Engr-in-charge for :(a) upto100 KVA capacity of transformer. |
| 60 | (b) All as per item No 60 but 160 to 250 KVA capacity of transformer. |
| 61 | (c) All as per item No 60 above but 300 to 500 KVA capacity of transformer. Please Enable Macros to View BoQ information |
| 62 | (c) All as per item No 60 above but 300 to 500 KVA capacity of transformer. Please Enable Macros to View BoQ information |
