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| 1 | Supplying, laying, jointing, testing and connecting in replacement of XLPE insulated PVC outer seathed and (earthed)PVC inner sheath, galvanised steel strip or wire armoured, electric power cable (heavy duty) with aluminum conductors, 11 KV(E) grade and conforming to IS : 7098 and, of size 95 sqmm, 3 core, laid in trenches / ducts / encased in GI pipe / fixed to pole,complete all as specified and directed at siteNote : Earth work, protection pipe and Cable Joints etc shall be measured and paid separately. |
| 2 | Taking outfaulty underground11000 Volt HT cable of 95sqmm X 3 core sizes by excavation and removingCable coverand relaying in the same trenches or re routing after rectification of fault or replacing faulty portion of cable with new cable and removing of surplus soil and using new PCC cable covers as required, complete all as specified and as directed. Note: (a) 11000Volt HTcable & joints shall be measured and paid for seperately under respective items of schedule. (b) Excavation, PCC Cover and Sand work will be measured and paid for seperately under respective items of schedule. |
| 3 | Supply and fixing the HT Cable route indicator made by PCC block well finished and marking of letter \"DANGER HT 11KV\", size 50mmx140mm,75cm long, 15cm grouted with 1:3:6 PCC foundation below the ground level and 60cm of marker will be elevated on ground the embossed letters of \"DANGER HT 11 KV\" will be painted with post office red colour and with black colour background and all as specified and directed |
| 4 | Supply andfix outdoor typeheat shrinkableend termination cable joint kit including all material and accessories suitable for 3 core 95 sqmm cable of 11000 Volt grade all as per manufactuer recommendation complete all as specified and directed. |
| 5 | Supply and fix straight through heat shrinkable cable joint kit including all material and accessories suitable for 3 core 95 sqmm cable of 11000 Volt grade all as per manufactuer recommendation complete all as specified and directed. |
| 6 | All T&P expenditure for tracing out the HT UG cable fault by pin point with cable fault locating machine mounted vehicle including all T&P expenditure to rectify the fault within 08 hrs to restore the supply of HT 11 KV feeder at NMS and complete all as specified and directed. Note : The fault will be measured one unit by charging of one HT cable , multiple faults at same cable will be measured single fault and HT Cable joints will be measured and paid seperately and earth work will be paid under relevent item of Schedule and delay beyond 08 hrs will be recovered Rs-1000/- per hour from work done amount. |
| 7 | Dehydration of transformer oil of various capacities distribution transformers installed at various indoor/outdoor substations with ultra high vacuumfiltration machine to obtain the dielectric strength of 60 KV at 2.5 mm gap, complete all as specified and directed. |
| 8 | Supply and topping up transformer oil conforming to IS: 335(1993), dielectric strength not less than 60 KV at 2.5 mm gap in various capacities distribution transformers installed at various indoor and outdoor sub stations, complete all as specified and directed. |
| 9 | M & L Anti-climbing device; spikes type fabricated out of M.S. bars (round square and flat) including nuts,bolts, washers and welding in two halves made to shape to suit the cross section of the pole, complete all as specified and directed |
| 10 | Labour for strip opening of distribution transformer 250 KVA & physical joint inspection of core coil assembly (removing all 3 limb HV & LV winding from core assembly) , washing of core assembly hot oil for removing burnt carbon & copper particles & cleaning of complete top yoke by oil , reassembly of complete core assembly & core coil assembly rewinding with new coils and new tap leads of OLTC,re-taning, tightening of top cover , fixing of HV and LVbushing, OLTC overhauling, Filling of New oil, conservator tank and Drying/Ovening of complete CCA in vaccum Chamber & continues monitoring for Improvement of IR Value.Note :-(i) The quoted rates shall be deemed to include minor parts like nuts, bolts, washers of different sizes and gasket from top cover ,4.0mm/6.0mm (ii)HT/LT leg coils, HV/LV Bushing including brass spindle and transformer oil shall be measured and paid separately underrespective items of schedule. (iii)Contractor shall submit one year guarantee after date of commissioning of the transformer. |
| 11 | Material and labouras in repair switches air breaker 11000 volt , gang operated, triple pole mechanically operated, mounted on insulators and steel frame with operating mechanism worked from ground level for current rating upto 400 Amps incl dismantling old unsv one, complete all as specified and directed. |
| 12 | Supply and fixing transformer bushingon LT433voltside including brass spindle/rods duly threded at the end complete with gasket nut bolts and washer suitable for indoor /outdoor transformer capacity upto 250 KVA, complete all as specified and directed. |
| 13 | Material and labour for painting to HT Two pole structure with cross arm ,support arm complete with one coats of synthetic enamel aluminium paint complete all as specified.Note contractor shell be taken proper 11 KV shut down and do the work in presence of 11 KV licecnse holder Electrician, complete all as specified and directed. |
| 14 | Material and labour for painting to HT Four pole structure with cross arm ,support arm complete with one coats of synthetic enamel aluminium paint complete all as specified.Note contractor shell be taken proper 11 KV shut down and do the work in presence of 11 KV licecnse holder Electrician. |
| 15 | Material and labour for cleaning, scraping out old rubbed paint / rust& Painting of transformercomplete with two coat ofspray painting with synthetic enamelled gray paint (first grade) by spray painting machine ontransformer & Making SM NO on surface of transformer of capacity 250 KVA outdoor / Indoor type fixed on poles or in Sub Station at different location, complete all as specified and directed. |
| 16 | Taking down the defective air breathers from the transformers, supply and fix new breathers suitable for step down distribution transformers of any make and capacity 250 KVA including filling of new silica gel in breathers,complete all as specified and directed. |
| 17 | Material and labour for earthing complete with galvanised steel earth plate electrode 60 X 60 X 6.3 mm thick buried directly in ground vertically at a depth (earth pit not less than 2.25M deep below ground level with top of the plate not less than 1.5 meter below normal ground level,earth plate surrounded from all sides by 15cm thick packed layer of charcoal,dust & common salt filling in alternate layer and electrode connection by using galvanised iron strip 32X6mm as eatrhing lead(up to the test point)by means of boltts nuts, check nuts and washers made of GI tubing 40 mm bore ,GI pipe connected upto test point and GI pipe light grade 20mm bore for watering and including funnel,wire mash,RCC pit cover and PCC chamber pit with PCC (1:3: 6) type C II using 40mm graded stone aggregate,including excavation and earth work in any type of soil,returning,filling in approved soil and disposal of surplus soil to a distance not exceeding 50m all as specified and shown in electrical plate no 5 of SSR-1991(Part-1), complete all as specified and as directed by Engineer-in-charge. |
| 18 | Excavation in trenches in any type of soil not exc 1.5 mtr in depth and 1.5 mtr wide and getting out for laying of cables. |
| 19 | Material and labour for tibba sand filling in trenches dry and and clean sand unwashed including punning around cable for protection of under ground cable complete all as specified and directed. |
| 20 | Supply and laying un-reinforced precast concrete cable cover, class HV, Type 1, flat, size 300mmx180mmx40mm laid perpendicular to cable length in trench air gap should not more than 5mm to each other after sand cushioning to cable and all as specified and directed. |
| 21 | Returning and filling in including spreading, leveling , watering and well ramming in layers not exceeding 25 cm thick of excavated earth complete all as specified and directed. |
| 22 | Removal of surplus soil to a distance not exceeding 50 mtr and depositing at a leval not exceeding 1.5 mtrs above the starting point complete all as specified and directed. |
| 23 | Disconnecting electrically& mechanicallyindoor/outdoor transforemrs upto 250 KVA capacity carefully for prevent/stoping for leakage of transformer oil by welding / tightening the loose points at site, including opening of top cover, draining out transformer oil and other items and storing the oil in suitable container (container to be provided by the contractor to keep aside for re -use) including replacement of all unserviceable gasket, replacing the unsv HT/LT porcelain Bushing/studs as directed after repairing/stopingof oil leakage the same re-connecting electrically and mechanically, testingcomplete all as specified and directed.Note. (i) (i) The quoted rates shall be deemed to include minor parts like nuts, bolts, washers of different sizes and gasket from top cover 6.0mm thick (i) The HT/LT porcelain Bushing & transformer oil for topup shall be measured and paid separately underrespective items of schedule. |
| 24 | Material and labour for Periodical servicing & Calibration of HT switch gear VCB of capacity 400-630 Amp capacity ,11KV by tripping off the breaker and draw out the trolley and servicing and overhauling the mechanical parts with applying the grease and checking the control wiring and tripping mechanism, replacement of damaged minor parts such as control wiring, ferrules, HRC fuse, caliberation of IDMT/Microprocessor numerical/digital relay existing on panels with secondery injection kit and setting the relay of earth fault, short circuit, time delay settings as per existing load of feederand all as specified and direted by engr-in-charge at 11 KV MRS and NMS area |
| 25 | Supply and fixing in replacement of spring charging motor suitable for 11 KV VCB 400-630 Amp, complete all as specified and directed. |
| 26 | Supply and fixing in replacement oftripping coil suitable for 11 KV VCB 400-630 Amps, complete all as specified and directed |
| 27 | Supply and fixing in replacement of spring suitable for 11 KV VCB 400-630 Amp complete all as specified and directed. |
| 28 | Supply and fixing in replacement of 11000 volts grade HRC fuse barrel type of rating upto 60 Amps suitable for 11 KV VCB 400-630 Amp complete all as specified and directed. |
| 29 | Material and labour for Surface excavation n.exc 30 cm deep and averaging 15 cm and geeting out in any type of soil inclcutting and removing grass, vegetation, bushes/shrubs etc from surrounding of 02 Pole/ 4 Pole structure and LT/ HT Panel E/M installations and removing all rubbish and dressing the gravel/soil and spaying the one time herbicide approved brand (Roundup/Noweed) to prevent the further vegetation and complete all as specified and directed |
| 30 | Supply and laying the graded coarse aggregate 40mm size for E/M installations of 11KV MRS yard/2/4 pole HT/LT pole structures/surrounding area of RMU including cleaning the vegetation developed and making plane of surfece and complete all as specified and directed |
