Repairing and Servicing of 11 KV HT VCB and Transformer at various Sub Station in T.E. Buildings under EE(E) BCP, MTNL, New Delhi

Amount

Supply and fixing of 11 KV HT XLPE Aluminium armored cable joints with testing etc., complete as required. Make Denson a) Indoor type Joint : Size - 240 to 300 Sq.mm

b) Outdoor type Joint : Size - 240 to 300 Sq.mm

c) Stright through type Joint : Size - 240 to 300 sq mm

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

Supplying, Laying and fixing of HT-11 KV, 3 core following size Aluminium Armored power cable i/c Connection, Testing etc. complete as required. a) 240 to 300 sqmm

Supply and fixing of T&C switch in the existing 11 KV HT Panel with wiring, connection, testing etc. complete as required.

Supply and fixing of 11 KV, HRC fuses with testing etc. complete as required.

Supply and fixing of LT / HT spares bottom cluster contact and testing etc. complete as required.

Supply and fixing of LT / HT M-610 / M-16 top fix contact and testing etc. complete as required.

Supply and fixing of 1000 Watt Halogen Light for arresting of moister in HT Panel including 3 core 4 sq mm cable of 10 mtr approx, wiring, connection, testing etc. 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.

De- hydration of transformer oil for 500 to 1500 KVA Transformer with Filter machine at site to maintain the break down value, die electric strength of oil up to 50 KV including providing oil testing facility at site as reqd.

Supply & fixing 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 etc. complete as required.

Checking & arresting of Oil Leakages from 500 to 1500 KVA Transformer at Site. The job includes scope of mentioned below : 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.

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.

Servicing and cleaning of Dry type transformer up to 2000 KVA, 11 KV / 415 Volt i/c flexible joint connection and checking temperature relay for its operation, tightening of HT/LT connection and adjustment of tripping, meggering, high port testing, checking protection etc. complete as required.

Supply and fixing of heavy duty initially charged, capacity 150 AH, 21 plate Battery with wiring, connection, testing etc. complete as required.

Supply and fixing of APFC Micro processer relay with calibration, testing etc. complete as required. (8 Stage / 12 Stage)

Supply and fixing 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

d) 630 Amp MCCB 3 Pole

Supplying and fixing of Digital type, Voltmeter up to 500 Volt, suitable size Make:- Trinity / L&T/ Slic, complete with wiring, connection, testing etc. complete as required

Testing and maggering, p.c testing, insulation testing and rectification of moister in single VCB panel board with bus bar, insulator, cable end joint box, three nos C.T, high voltage testing of HT Cable, anti tracking sprey paint etc. complete as required.

Supply and fixing of Digital type, Ammeter up to 2500 Amp. suitable size Make :- Trinity / L&T/Slic etc. complete with wiring, connection, testing etc. complete as required.

Supply and fixing of indication lamp with holder assembly 230 V AC / 24 DC / 48 V DC / 110 V DC, complete as required.

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

SITC of super heavy duty capacitor in the existing capacitor panel suitable for working of 415/440V AC supply, including removing of faulty capacitor etc complete as required. (Make: Epcos) 5 KVAR

SITC of super heavy duty capacitor in the existing capacitor panel suitable for working of 415/440V AC supply, including removing of faulty capacitor etc complete as required. (Make: Epcos) 10 KVAR

SITC of super heavy duty capacitor in the existing capacitor panel suitable for working of 415/440V AC supply, including removing of faulty capacitor etc complete as required. (Make: Epcos) 15 KVAR

SITC of super heavy duty capacitor in the existing capacitor panel suitable for working of 415/440V AC supply, including removing of faulty capacitor etc complete as required. (Make: Epcos) 20 KVAR

SITC of super heavy duty capacitor in the existing capacitor panel suitable for working of 415/440V AC supply, including removing of faulty capacitor etc complete as required. (Make: Epcos) 25 KVAR

SITC of super heavy duty capacitor in the existing capacitor panel suitable for working of 415/440V AC supply, including removing of faulty capacitor etc complete as required. (Make: Epcos) 50 KVAR

Supply and fixing of Rack in & Rack out assembly for 1000 amp to 1600 amp LT ACB .

Supply and fixing 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)

Supplying and fixing of Digital type, KV Meter size 96 x 96 sq. mm, (Make: Trinity / L&T) complete with wiring, connection, testing etc. complete as required.

Blowing off dust/dirt complete HT Panel, LT Panel, Capacitor panel, Emergency Panel and cleaning in site and out site tightening of all loose nut, bolt etc. es required.

Supply and fixing of following HRC Fuse assembly with wiring connection testing complete as required. a) 63 Amps

b) 100 Amps

c) 125 Amps

Providing and making of wiring for existing faulty capacitor panel with 10 Sqmm copper flexible wire and copper lugs etc complete as required.

Supply and fixing of current transformer in existing 11KV HT panel having suitable CT ratio for protection and metering including testing wiring and installation in the existing H.T. panel including connections, testing and commissioning etc. complete as required as per site requirement.

Supply and fixing of current transformer in existing LT panel, having suitable CT ratio up-to 2000/5 Amp for protection and metering, including testing, wiring, and installation in the existing LT Panel including connections, testing and commissioning etc. complete as required as per site requirement.

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.

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.

Supply and fixing of Rack in & Rack out assembly for 630 amp to 800 amp different type 11 KV HT VCB .

Dismantling the 1000 KVA Dry type / Oil type transformer from the foundation i/e dismantling of all incoming & outgoing connection, bus trunking at LT side and HT side etc. complete as reqd. and keep it to out side the room. etc. complete as reqd.

Loading the 1000 KVA transformer in tempo with the help to chain pulley / Crain & heavy labour at Tel. Exchange & unloading at workshop from tempo i/c cartage from Tel. Exchange to workshop etc complete as reqd.

Loading the transformer in tempo with the help of chain pulley / Crain & heavy labour at workshop & unloading at Tel. Exchange Frame tempo i/c cartage from workshop to Tel. Exchange etc complete as reqd.

Opening of top and disconnecting all the connection from L. T. and H.T. side and opening of the tap charger , lifting the complete core brunt HT 11 KV copper coils of 3 phase, opening the LT strip winding of 3 phase for cleaning the old insulation etc complete as reqd.

Complete rewinding of 1000 KVA primary Delta and star secondary 11 KV / 415 volts Dry type / oil filled transformer HT and LT side all 3 HT cores and 3 LT cores with suitable size copper strip / wire with H class insulation ,including dismantling the burnt winding of HT and LT sides cleaning the core, varnishing the new winding, heating, drying, testing commissioning complete in all respect etc complete as required with following test a) Megger Test, b) Ratio Test, c) Resistance Test d) Vector group test e) Magnetic balance Test f) Short Circuit Test g) No load Test.

Re assembling and installation the 1000 KVA Dry type / Oil type transformer after rewinding on the foundation i/e all incoming & outgoing connection , bus trunking at LT side and HT site etc complete as reqd and keep it to in side the room and on loading testing etc. complete as reqd.

Supply and fixing of Transformer temperature relay with dismantling of brunt out temperature relay and wiring connection testing etc complete as required.

Dismantling of existing brunt out ACB up to 2000 Amp with replacement of Complete mechanisum assembly, alignment, servicing, testing, meggering and connection etc complete as required.

Supply and fixing of ACB charging Motor 230/110 volt with AC/DC wiring etc complete as required.

Supply and fixing of Under voltage relay with connection testing etc as required.

Supply and fixing of Triping / closing coil in HT /LT breaker complete as required.

Less credit on account of dismantled material.