REPAIRS RENEWAL LT PANELS, LT ISOLATION TRANSFORMERS, SERVO STABILIZERS, LT ACBS UNDER GE (AF) BIDAR

Amount

Disconnection and removing the LT cable connection from the Air Circuit breakers of capacity upto 1600 Amps AC 440 volts from existing LT panel and repair/ replacement of worn out parts such as Arcing contacts, Main contacts, Jaw contacts, tripping coil, charging motor etc. with new spare parts suitable for the existing ACB's make, specifications complete and refixing the same in original position, testing complete all as specified and as directed by Engineer in charge at site. Make of existing ACB's: C & S / L&T Notes: 1. Supply only spares will be measured and paid separately under the respective item of the schedule. 2. Spares should be suitable for the existing LT ACB's technical specifications & dimensions. 3. The labour element involved in replacing spares is deemed to be included in the unit rate quoted.

Supply only Auxilary Switch (7 NO +7 NC) 14 way

Supply only Under Voltage Trip Device consisting of UVT Coil & control device fitted in ACB

Supply only Shunt trip & Closing coil

Supply only Vertical Connection Copper Adapter

Supply only Trip Indication switch

Supply only Spring Charged' indication switch

Supply only Castle key lock; Type: CKI - 1

Supply only Making current release / Instanteneous trip; Type: CS-MCR - 1

Supply only Earth Fault Relay, Type: EFR 1

Supply only Microprocessor 4.1 based ACB Protection release

Supply only Draw out mould Base(Cradle Side) type: 6D-16D

Supply only Arcing Contacts (Set of 1 No. Fixed & 1 No Moving) type 16 D

Supply only Main Isolating Contacts (Jaw contacts) (Set of 1 No. Fixed & 1 No Moving) type 16 D

Supply only Main fixed Contacts (Upper Terminals) type 16 D

Supply only Lower Terminals with fitting plates Contacts (Upper Terminals) type: 16 D

Supply only Circuit Terminals/ Draw out terminals Type : 16D

Supply only Main moving Contacts Assembly; type 16 D

Supply only Single pole unit for 16 D

Supply only Arc chutes; type 6 D - 16 D

Supply only Charging motor (110 V AC/DC ) or (220 V AC/DC) Type: 6D- 16 D

Disconnection and removing the old unserviceable power factor capacitors from the APFC Panel and Supply and fix Power capacitor cylindrical type Resin filled heavy duty 440 V, 50 Hz, AC having of capacity 10 KVAR capacity.

All as per item No.22 here in before but of capacity 15 KVAR, 440 V, Three phase

All as per item No.22 here in before but of capacity 25 KVAR, 440 V, Three phase

All as per item No.22 here in before but of capacity 50 KVAR, 440 V, Three phase

Disconnection and removing the unserveciable MCCB & Supply and fix new MCCB with thermal magnetic release Conforms to IS/IEC 60947-2 & IEC 60947-2 4 pole, 415 V, 400 A, 50 Hz, breaking capacity of 50 KA, complete all as directed by Engineer in charge.

All as per item No 26 here in before but of capacity 250 A, 50 KA

All as per item No 26 here in before but of capacity 200 A, 35 KA

All as per item No 26 here in before but of capacity 100 A, 25 KA

All as per item No 26 here in before but of capacity 63 A, 25 KA

Disconnection and removing unserviceable change over switch along with cable connections and Supply and fixing new on load change over switch Conforms to IEC 60947-3, IS/IEC 60947-3, 800 A, 4 P, 415 volts, 65 KA complete all as directed.

All as per item No.31 here in before but of capacity 400 A, 4 P , 415 V, 50 KA

All as per item No.31 here in before but of capacity 200 A, 4 P 415 V, 35 KA

All as per item No.31 here in before but of capacity 100 A, 4 P 415 V, 25 KA

Disconnection and removing the u/s Main contactor carefully from Panel board and S&F new power contactor 3 Pole 80 to 100 A comprising of all accessories type MNX-80 of Make L&T or its equivalent in ABB/ Legrand/ Standard/ Indo Asian / Havells / CG

Disconnection and removing the u/s Main contactor carefully from Panel board and S&F new power contactor 3 Pole 95 to 160 A comprising of all accessories type MNX-95 of Make L&T or its equivalent in ABB/ Legrand/ Standard/ Indo Asian / Havells / CG

Disconnection and removing the u/s Main contactor carefully from Panel board and S&F new power contactor 3 Pole 500 Amps AC3 rating all as specified and as directed.

Disconnection and removing the u/s Main contactor carefully from Panel board and S&F new power contactor 3 Pole MN 400 of Make L&T or its equivalent in Havells/C&S /standard / Legrand /Seimens/GE

Disconnection and removing the u/s Main power contactor 3 Pole/4Pole carefully from servo stabilizer 750 KVA and S&F new power contactor 3 Pole of same size, make having 1 KA current carrying capacity and operates on 240 V AC (phase- Neutral) or 415 V AC (Phase - three) as reqiured at site complete all as directed by Engineer in charge. Note : All the misc items required for satisfactory completion of job shall be deemed to be included in the rate quoted by the contractor.

All as per item No. 39 above but of capacity 200 KVA stabilizer

All as per item No.39 above but of capacity 125 KVA stabilizer

Disconnection and removing the u/s PCB Unit from Servo stabilizer of capacity 750 KVA carefully and S&F new PCB unit complete of same size and capacity suitable for existing 750 KVA Servo Stabilizer all as directed by Engineer in charge.

All as per item No 42 here in before but for 300 KVA

All as per item No 42 here in before but for 200 KVA

All as per item No 42 here in before but for 125KVA

All as per item No 42 here in before but for 100 KVA

All as per item No 42 here in before but for 50 KVA

Disconnection and removing the unserviceable Servo motor unit along with shaft from the existing Servo stabilizers (Oil/Air cooled) carefully and replace same with the identical equivalent servo controlling unit of same size and capacity consisting of Reverseble synchronous motor with constant speed - Instant Start/ Stop operates on single phase 230 V, 50Hz suitable for Voltage stabilizer of capacity 750 KVA(Oil Cooled).

All as per item No 48 here in before but for 300 KVA

All as per item No 48 here in before but for 200 KVA

All as per item No 48 here in before but for 125 KVA

All as per item No 48 here in before but for 100 KVA

All as per item No 48 here in before but for 50 KVA. Note for item No.39 to 53: Make of existing Servo stabilizers : Volina / Power One / Venner - 7 /Dubas / V- guard

Supply, renewal / topping up of Transformer oil having di-electric strength not less than 60 KV/min instanteneous for oil cooled Isolation Transformers / Servo stabilizers complete all as directed by Engineer in charge.

Disconnection and Removing old unserviceable Battary charging unit and S & F Battary charging unit providing DC power supply to relays, meters etc. operates on 230 V Single Phase AC, Output 24 V DC for Auto synchronizing panel complete as required

Disconnection and Removing old unserviceable Battary charging unit and S & F Battary charging unit providing DC power supply to relays,meters etc. operates on 230 V Single Phase AC, Output 12 V DC for LT AMF Panel complete all as directed

Disconnection and Removing LT Cable connections from Isolation Transformer and transporting to the local work shop and removing the unserviceable / burnt out copper winding wire from the Isolation Transformer of capacity 750 KVA (oil cooled), Three Phase 415 V/415 V and rewinding the same with fine enamelled bare copper conductor of same gauge, turns, and weight and having Class - H insulation level and keeping the core and windings into the hot air oven till the moisture evoporates and replace the same in its original position and testing complete by connecting existing LT cable connection all as directed by Engineer in Charge at site. Note: Rate quoted deemed to be inclusive of all misc items such as Cotton tape, varnishing, impregnated paper etc. for satisfactory completion of job.

All as per item No 57 here in before but of capacity 200 KVA

All as per item No 57 here in before but of capacity 100 KVA

All as per item No 57 here in before but of capacity 45 KVA

Isolate/de-energize the supply to the LT Panel Board of capacity ranging from 200 Amps to 2000 Amps and voltage 415 Volts/230 Volts, opening the doors/ covers of the cubicle enclosure for carrying out the servicing/maintenance/ repairs of the Panel Board, switch gear, metering etc and re-fixing the same in place after repairs as under including testing and commissioning of the paenl board: a) Cleaning the inside switch gear chambers for removing dust, carbon and rusted surfaces including cleaning with blower and apply insulating varnish. b) Check the condition of the DMC/SMC support insulators including cleaning applying Dr beck red for better IR values and replacement of insulators if required. c) Tightening up of all bus bar connections, cable connections, replace bolt, nuts wherever required. Note : Contractor has to inspect the site before quoting. Any modifications/frame work and renewal is deemed to be included in the quoted rates. Spares will be measured and paid under relevant items of schedule.

S&F in repairs mild steel hinges suitable for LT panel board shutters incl welding, riveting complete all as specified and as directed.

S&F in repairs Indicating lamp 240 volts LED type complete all as specified and as directed by Engr-in-Charge.

M/s.Santosh Kotarki

Sai Raja Enterprises

Siddique constructions