Improvement in protection of 2x3.15 MVA power transformers and Electrical HT works at W.S.S Tangnar Stage 2nd.

Amount

P & F of complete 33 kV 10 kN Polymer Post Insulator 36kV, 235kV Impulse, creepage distance 1224m. All special tools and tackles and skilled labour required for carrying out the job is arranged by the firm.

P/F of 33 kV Lightening Arrestors (33 kV, 10kA, Station class, ZnO, Polymer) gap less.

P/F of complete 33 kV Polymeric composite Pin Insulator 36kV, 10kN, Lighting Impulse 170kV Positive and 180kV Negative, creepage distance 900mm.

P/F of complete 33 kV Polymeric composite Disc Insulator 36KV,min failing load 70kN, Lighting Impulse 170kV Positive and 180kV Negative, creepage distance 900mm.

Replacement of old damaged CT's by way of P/F of new 33 kV Current Transformers oil cooled (33 kV, 1Φ, 2 Ratio 3 Core, Outdoor Type) (1 No. per Φ) 50-100/5-5-5A with Accuracy Class: 0.5. All special tools and tackles like C.I tester etc. besides the skilled labour required for carrying out the job shall be arranged by the firm.

P/F of new Resin Cast 11 KV Current Transformer (11 kV, 1Φ, Multi ratio - Multi core, Indoor Type) 150-300/5 (4 Core) with following details. Primary Current: 150-300 Secondary Current: 5 A Rated Burden: 10 VA Accuracy Class: 0.5 Frequency: 50 Hz All special tools and tackles like C.I tester etc. besides the skilled labour required for carrying out the job shall be arranged by the firm.

P/F of 16-window annunciator in 11Kv VCB Panel of below mentioned specifications: window Bright LED 16 Fault Size: 144 x 144 x 140 mm (2D) Test/Ack/Reset: Pushbutton Voltage range:90-270V AC or 12/24V DC Built in buzzer/ Contact for External Hooter. Make: GIC/EAPL/Minilec or equivalent. The job includes all sorts of labour, tools and tackles , cuttings required for proper fitment.

P/F of 16-way three element auxiliary relay for 33/11KV transformer C&R Panel housed in a single cabinet with 4 NO + 1NC / 4NO + 2NC / 2NO + 3 NC per element as per site requireemnt with hand / self-reset contacts type and flag indications, used to initiate tripping commands to trip-coil of circuit breaker with following specifications:- Coil Supply =24 DC No. of Contacts= 4 NO + 1NC / 4NO + 2NC / 2NO + 3 NC per element as per site requirment. Contact Reset Type= Hand Reset / Self Reset Burden Approx= 25VA Operational Indicator = Flag Operating Range = 70% to 120% of rated Voltage. Contact Rating Continuous = Resistive-15A,110VAC, Inductive-3A, 25VDC Max. Mounting = Flush with screw Standard compliance IEC 60255:2009. Make: Crompton Greaves/Ashida or equivalent The job includes all sorts of labour, tools and tackles , cuttings required for proper fitment.

Providing of 1.5 Sq. mm Single Core multi stranded Single Core HRFR PVC Insulated Industrial Grade Flexible Copper Conductor (Unsheathed), 1100 Volt Conforming to IS 694 inclusive of ferruling, thimbling etc . of Havels, Finolex or equivalent make.

Providing and Fitting of 2.5 Sq. mm 4-Core Armoured Copper cable, XLPE Insulated, PVC Innersheathed, 650 V/1100 V Grade as per IS 7098 (Part 1) 1988 inclusive of ferruling, thimbling etc . of Havels, Finolex or equivalent make.

P/F of Digital Automatic Voltage Regulating Relay with following details: Auxiliary Supply: 110/230V AC ± 15%, 50Hz, 10VA PT Supply: 110V AC, 50Hz, 1.5VA Control Oper. : Single Pulse operation with approx. 2 secs. ON time. Lower Setting (LS) : Adjustable between 95 to 125 V Raise Setting (RS) : Adjustable between 90 to 120 V Time Delay Setting : Continuously adjustable between 10 to 120 Sec. Time Delay Resstting : Immediate with voltage returning to Control band UV Blocking : Blocking at 80V and restoration at 85V Control Relays : One pair of NO potential free contacts of 5A at 240V AC or 24V pulse DC for each Raise and Lower. Make : EMCO or equivalent All tools and tackles required for cutting of panel and carrying out the job shall be arranged by the firm.

5W 400m Range Rechargeable LED Search Light of reputed make.

Supply of 20 feet Long Bamboo ladder of good built quality at WSS Tangnar. The job includes carriage charges etc.

M/S BHAT ENTERPRISES

M/S SUPREME ENTERPRISES