Essential work of 11 KV HT works at different sub-station under the jurisdiction of EE(E) KBN, MTNl, New Delhi.

Amount

Supply and fixing of 11 KV HT xlpe Aluminium armored cable joint with testing, complete as required. Make Denson a) Indoor Type Joint Size of 95,120,150,185 sq.mm

b) Indoor type Joint Size of 240,300 Sq.mm

c) Out Door type Joint Size of 95,120,150,185 sq.mm

d) Outdoor type Joint Size of 240,300 Sq.mm

e) Striate through type Joint Size of 240,300 sq mm

Supply and fixing of electronic IDMT Relay with testing, complete as required. Make- L&T/ Crompton.

Replacement of Vacuum interrupter bottle 11 KV 630 Amp. Make Alsthom/ Kirloskar/Crompton with assembling, connection, testing, complete as required.

Replacement of HT -11 KV, 3 core following size Aluminium Armored power cable i/c connection, Testing etc. complete as required. A) 120/185 sqmm

Replacement of T & C switch in 11 KV HT Panel with wiring, connection, testing i/c removing the faulty one etc. complete as required.

Replacement of 11 KV, HRC fuses with testing etc. complete as required.

Replacement of LT/HT spares bottom cluster contact i/c removing the faulty one testing etc. complete as required.

Replacement of LT/HT M-610 / M-16 top fix contact i/c removing the faulty one testing etc. complete as required.

Supply and fixing of 1000 Watt Halogen Light for arresting of moister in HT Panel with 3 core 4 sq mm cable 10 mtr aprox, wiring connection testing complete as required.

Servicing of 630/800 Amp 11 KV HT OCB / VCB complete with cleaning, alignment, adjustment of gaps between phase to phase, lubricating all moving parts, adjustment for smooth mechanical operation etc complete as required.

Replacement of 24 volt / 48 volt / 110 volt DC Triping coil with wiring connection testing i/c the faulty one etc complete as required.

Replacement of power pack unit having input 220 Volt AC and out put 24/48/110 Volt DC i/c. making inter connection suitable for existing HT system and dismantling/removing the faulty power pack unit etc. complete as required.

Checking & arresting of Oil Leakages from 500 to 1000 KVA transformer at Site. The job scope as mentioned includes : a) Dismantling of LT cable’s / Bus- Bar’s connections & dismantling of L.T. Bushing Rods. b) Dismantling of Main Top cover / inspection window of Transformer. After draining of oil of Transformer into drums. ( as per requirement) c) Replacement of Cork rings set along with new Teflon rings of all phases for arresting oil leakages. d) Fixing of all terminals & Bus-bar’s connections & making adjustments. e) Replacement of cork gaskets, oil rings of inspection window side & Buckolz relay side & pipe line also for arresting leakages, if any. f) Re-filling of oil into transformer & examining of leakages for improving breakdown value of oil complete as reqd.

Replacement of 24 volt / 48 volt / 110 volt DC Closing coil i/c wiring connection testing and dismantling/removing the faulty one etc complete as required.

Servicing of 800 to 3200 Amp ACB Complete with cleaning, alignment, adjustment of gaps between phase to phase, lubricating all moving parts adjustment for smooth mechanical operation etc complete as required.

Replacment of 24 volt / 48 volt / 110 volt Charging Motor in HT VCB with wiring connection testing i/c dismantling/removing the faulty one etc complete as required.

Replacement/ S/F of heavy duty initially charged capacity 150 AH, 12 V, 21 plate Battery with wiring, connection, testing etc. complete as required. (Make: Exide)

Replacement of APFC Micro processer relay with calibration, testing i/c removing the faulty one etc. complete as required. (8 Stage / 12 Stage)

Replacement of following size MCCB, 36 KA rating, with spreader link, nuts, bolt and washer i/c dismantling of burnout MCCB and re-connection of New MCCB, complete with testing etc. complete as required. A) 100 Amp MCCB 3 Pole

b) 200 to 250 Amp MCCB 3 Pole

c) 400 Amp MCCB 3 Pole

Replacement/S&F of of 11KV HT C.T Class 0.5 accuracy and 100 VA burden with C.T ratio100/50/5 Amp with wiring connection testing complete as required.

Testing and maggering, p.c testing, insulation testing and rectification of moister in bus bar, insulator, One in-coming & Two out-going and H.T Cable box, Heating of complete P.T, C.T testing etc. complete as required.

Replacement of 11 KV HT insulator with the faulty one etc. complete as required.

Replacement of indication lamp with holder assembly 230 V AC / 24 DC / 48 V DC / 110 V DC and removing the faulty one etc. complete as required.

Supplying & filling/topup the transformer oil, sealed pack drum including transportation charges etc. ( Make : M/S Power oil /Savita with ISI marked having 50 KV R/C)

Replacement/SITC of super heavy duty capacitor in the existing capacitor panel suitable for working of 440V AC supply, including removing of faulty capacitor of different capacity as per site requirement etc complete as required. (Make: Epcos)

Internal control wiring of 11 KV HT Panel with testing of all closing, triping circuit etc. complete as required.

Replacement/ S&F of Rack in & Rack out assembly for 1000 amp to 1600 amp ACB.

Replacement/ S&F of Pole assembly for 1000 Amp to 1600 Amp ACB make ABB/GE.

Replacement/ S&F of following size Power Contactor with wiring connection testing complete as required. (Make L&T /Havells) a) Moc - 12.5 ( for 5/6/10 KVAR capacitor )

b) Moc - 15 ( for 2.5/15 KVAR Capacitor)

c) Moc - 20 ( for 20 KVAR Capacitor)

d) Moc - 30 ( for 20/25 KVAR Capacitor)

e) Moc - 50 ( for 50 KVAR Capacitor)

Testing and calibration of IDMT relay set having 2 Nos. O/C. 1 No. E/F & instantaneous element by secondary injection method, cleaning the contacts, resetting with required accuracy complete with checking and set right the wiring etc. complete as reqd. i/c testing of the complete system of HT panel for checking the actual working of CTs their wiring, connected IDMT realy, shunt trip system, breaker's tripping system and for any loose connection by primary injection method in all three phases and at each plug setting at actual time multiplier at site with suitable equipment i/c rectify the different in control wiring etc if any complete as required.

Replacement of 11 KV Spout in VCB and dismantling of brunt out spout with high voltage testing, meggring etc complete as required.

Supply and fixing of complete 11 KV VCB epoxy body with dismantling of mechanism parts, brunt out vacuum interrupter bottle and refixing new interrupter bottle, alignment, greasing and high voltage testing etc. complete as required.

Replacement of existing burnt-out 1250A FP On-load Change-over switch without enclosure (EUROLOAD Havells) with new C.O.S. of same rating, make and model including dismantling the burnt-out/faulty C.O.S., making connections etc. complete as required.

Less credit on account of dismantled material.

DUBEY ELECTRIC WORKS