|
| 1 | Maintenance & Overhauling of 11 KV VCB of existing make/type/mode/capacity including dismaintling of operating mechanism parts well cleaning with petrol and CRC-226 and replacing unserviceable spare parts re-assembling of parts including well cleaning and greasing of all mechanical parts. The complete panel board, main busbar, decarbonizing all joints busbar CTS, PTS, spouts metal parts and making VCB perfect operating in manual and electric mode and calibration & checking of tripping system of 11 KV circuit breaker through IDMT over current and earth fault relay at plug setting infented in service by primary current injection method to ensure proper function of trip coil control circuit etc. during fault condition setting by expert complete all as specified and directed Note:- Spare parts required to make VCB functional will be measure and paid separately under respective items. |
| 2 | Supply only the following spare parts of HT 11 KV VCB for replacement under relevant items above.Shunt Tripping coil 30V DC complete all as specified and directed. |
| 3 | Vaccum interupter for indoor VCB complete all as specified and directed. |
| 4 | Spout incomming side complete all as specified and directed. |
| 5 | Ammeter selector switch 16A 250v 3 phase complete all as specified and directed. |
| 6 | Volt meter selector switch 16 A 250v 3 phase complete all as specified and directed. |
| 7 | Breaker control switch 10A 660V complete all as specified and directed. |
| 8 | Electronic hooter 40v DC 96 x 96mm |
| 9 | Ammeter with selector switch of capacity 0/20 to 100/200 AMPS, digital type. complete all as specified and directed. |
| 10 | Voltmeter selector switch 16 A, 415V 3 phase |
| 11 | Spring charging motorto match with existing complete all as specified and directed. |
| 12 | Supplying, installation, commissioning and testingof 11 KV Current Transformer (CT`s), indoor type, resin cast epoxy type set of three,of 13.1 KA/Sec having ratio 200/100/5 Amps having Core1: Class 5P10, 10VA for protection , Core2: Class 0.5, 10VAfor metering andassociated wiringincluding taking down old UNSV CTs complete all as specified and directed |
| 13 | Fuse holders for british pattern fuse linkscomplete all as specified and directed. |
| 14 | Spring charging gear to match with existing complete all as specified and directed. |
| 15 | Strip type heater 40/60 watt approx 4\"/6\" in length complete all as specified and directed |
| 16 | S&F of 11 KV VCB trolly fixed contact of spout incoming/ outgoing side suitable for crompton make VCB complete all as specified and directed. |
| 17 | S&F of 11 KV VCB trolly female jaw incoming/ outgoing side suitable for crompton make VCB complete all as specified and directed. |
| 18 | S&F of 11 KV PT spout suitable for 11 KV crompton potential transformer complete all as specified and directed. |
| 19 | Spring charging handle |
| 20 | Supply and fixing in replacement of White Colour indicator lamp LED 24 Volt and also 110 Volt (AC/DC) with holder suitable for Vacuum Circuit Breaker 11 KV |
| 21 | Supply only Control Relay of model CGI 14 C , 50/24 Volt DC in control panelincluding wiringcomplete all as specified and directed |
| 22 | Dehydration and filtering the transformer oil with dehydration machine to achieve required di-electric strength of the oil up to 60 KV at 2.5 mm gap complete all as specified and directed. Note 1 :- Dehydration machine and other required equipments shall be arranged by the contractor and no extra cost shall be paid to the contractor on this effect. Note2 : BDV Test certificateshall be submitted by contractor after dehydration. |
| 23 | Breather assembly 500 gram suitable for 800 and 400 kva transformer |
| 24 | Transformer bushing rode 800 kva |
| 25 | Transformer LT bushing rode 400 kva |
| 26 | Transformer HT bushing rode 800 kva |
| 27 | Transformer HT bushing rode 400 kva |
| 28 | Transformer LT cable thimble any size |
| 29 | Shifting of transformer 800 KVA fromYard to feild for repairing purpose of flour . with disconnection and connection |
| 30 | Maintenance & Overhauling of LT ACB of existing make/type/mode/capacity including dismaintling of operating mechanism parts well cleaning with petrol and CRC-226 and replacing unserviceable spare parts re-assembling of parts including well cleaning and greasing of all mechanical parts. The complete panel board, main busbar, decarbonizing all joints busbar CTS, ACB perfect operating in manual and electric mode and calibration & checking of tripping system of air circuit breaker through IDMT over current and earth fault relay at plug setting infented in service by proper function of trip coil control circuit etc. during fault condition setting by expert complete all as specified and directed Note:- Spare parts required to make ACB functional will be measure and paid separately under respective items. |
| 31 | Servicing of LT pannel checking ct, tighting, insulation test,checking and testing |
| 32 | Mccb 200 amp35 ka 50hz 440 v |
| 33 | Spider link |
| 34 | Volt meter |
| 35 | Ampere meter |
| 36 | Control wire 2.5 mm |
| 37 | Capacitor panel275 kvar servicing and testing |
| 38 | Contactor relay |
| 39 | Capacitor 10 kvar 15 kvar 25 kvar heavy duty |
| 40 | Mccb 350 amp35 ka 50hz 440 v |
| 41 | Power pack 12 v dc |
