|
| 1 | Materials and labour in repair for Filtration and dehydration of transformer oil of distribution transformers indoor/outdoor type of 11/0.433 KV, 63 kVA to 500 KVA minimum three cycle to achieve di electric strength of 40 KV for 1 minute at 2.5 mm gap as per relevant IS with portable filtration plant, testing of the oil break down voltage before filtration and after filtration complete all as specified an directed by Engr in charge.Note : (i) Centrifuging Machine with all T&P & testing machine of oil required for dehydration is arrange by contracter.(ii) Oil required for topping up the transformer will be measured and paid separatly. |
| 2 | Supply and filling transformer oil for topping up insulating oil HV grade having dielectric strength not less than 60 KV high viscosity in transformer conforming to IS-335 to 1983 all as specified and directed for various capacity of transformers/OCB's/Servo Voltage Stabiliser installed at various locations at zakhama . |
| 3 | Materials and labour for taking out old unserviceable defective HV bushings on site from outdoor/indoor type distribution transformers of 11/0.433 KV and 63 KVA to 500 KVA and Supply and fix porcelain bushing with heat resistant gasket complete all as specified and directed . |
| 4 | Materials and labour for taking out old unserviceable defective LV bushings on site from outdoor/indoor type distribution transformers of 11/0.433 KV and 63 KVA to 160 KVA and Supply and fix porcelain bushing with heat resistant gasket complete all as specified an directed. |
| 5 | Materials and labour for taking out old unserviceable defective LV bushings on site from outdoor/indoor type distribution transformers of 11/0.433 KV and 200 KVA to 400 KVA and Supply and fix porcelain bushing with heat resistant gasket complete all as specified an directed. |
| 6 | Supply and fix in repairs brass terminal stud, both end threaded complete with double nuts and washers including distance piece both sides and heat resistance gasket suitable for HV side 11000 volts grade for 63 KVA to 750 KVA capacity of outdoor/indoor type transformer.complete all as specified an directed. |
| 7 | Supply and fix in repairs brass terminal stud both end threaded complete with double nuts and washers including distance piece both sides and heat resistance gasket suitable for LV side 415 volts grade for 63 KVA to 160 KVA capacity of outdoor/indoor type transformer complete all as specified an directed. |
| 8 | Supply and fix in repairs brass terminal stud both end threaded complete with double nuts and washers including distance piece both sides and heat resistance gasket suitable for LV side 415 volts grade for 200 KVA to 400 KVA capacity of outdoor/indoor type transformer complete all as specified an directed. . |
| 9 | Materials and labour for servicing/overhauling , Calibration and decorbonising of 11 KV (panel with breaker + Relay ) and setting of Relay parameters VCB of capacity 400 /630 Amps, indoor type , taking shut down from MRS and disconnecting incoming and out going cables , control cables from VCB and replacement of un-serviceable spares (CT, alarm etc), greasing of revolving assembly in VCB chamber, spring charging mechanism including decorbonising the VCB panel and check servicability all as specified and directed.Note: - (i) : Spare parts/components required for replacement of above shall be measured and paid separately. (ii) Unit rate quoted against this item shall also include labour required for fixing of replaced supply only items. |
| 10 | Supply only Feeder protection numerical relay with features of earth fault, phase fault,Over current and fault recording Facility complete all as specified and directed. |
| 11 | Supply only Master trip relay Complete all as specified and as directed. |
| 12 | Supply only breaker control switches (Trip-neutral-close) of rating 25 A VCB Panel Complete all as specified and as directed. |
| 13 | Supply only Indicator lamp 110V DC/240 V AC of colour : green/yellow/red/white/Amber/Blue Complete all as specified and as directed. |
| 14 | Supply only of 12 KV Indoor Resin Cast Current Transformer as per IS:16227/IEC 61869 dual secondary ratio 60/5-5, Core 1:15VA, Class 0.5 (Metering) Core 2:15VA, Class 5P10 (Protection) STC rating 13.1 kA for 1 Sec, Insulation level 12/28/75KV. The unit must be type-tested and include routine test report for ratio, polairty and partial discharge incl necessary connection and accessories etc. complete all as specified and as directed. |
| 15 | Material and labour for jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing meterial and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm includinng taking down Complete all as specified and as directed. |
| 16 | Material and labour as in replacement for 11 KV (Earthed) grade heat shrinkable end termination jointing kit outdoor type complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and as directed. |
| 17 | Supply and fixing gang operated air brake switch mechanically operated on insulator and steel frame, with operating mechanism worked from ground level, with 9 Nos insulator tilting type for current rating 200 Amps,11000Volt, including taking down old unserviceable one complete all as specified and directed. |
| 18 | Supply and fixing Drop out fuse with FRP fuse barrel and all accessories fixed on HT pole rating 200Amps suitable for 11KV, 3 pole with two Nos insulator per pole and including dismantling old unserviceable one complete all as specified and directed. |
| 19 | Material and labour for HT lightning arrestor, expulsion type complete with all fittings, transmission class, discharge capacity 65 Kilo Amps suitable for 11 KV including taking down uncervicable lightning arrestor complete all as specified and as directed. |
| 20 | Taking out saturated silica gel from existing breather and Supply and replace silica gel in breather of transformers complete all as specified and directed. |
| 21 | Supply and fix in repair silica gel breather 250gm capacity made up of aluminium Top,transparent centre portion made of polycarbonate, filled with silica gel suitable for transformer of capacity 63 KVA to 400 KVA complete all as specified and directed. |
| 22 | Dismantling of overhead ACSR (Aluminium conductor steel reinforced) from existing electric pole and removing unserviceable ACSR from site and store carefully the serviceable ACSR after cleaning and complete all as specified and directed. Please Enable Macros to View BoQ information |
| 23 | Dismantling of overhead ACSR (Aluminium conductor steel reinforced) from existing electric pole and removing unserviceable ACSR from site and store carefully the serviceable ACSR after cleaning and complete all as specified and directed. Please Enable Macros to View BoQ information |
