Augmentation of 132/33 KV, 20 MVA Three Phase Power Transformer to 50 MVA Three Phase Transformer at Ramban Grid for IRCON

Amount

(A)Design Engineering, Manufacture, testing at manufacture’s work, packing and forwarding, insurance, transportation to project site as per approved design/drawings and in conformity to the relevant and applicable BIS/ IEC and CEA standards

Cost of 40/50 MVA, 132/33 kV Three Phase Power Transformers with OLTC, SCADA Compatible RTCC, NIFPES , HV and LV connectors and other required accessories and fittings. ALONG WITH BELOW MENTIONED SPARES :- 1.HV & LV Bushing with metal parts and gasket (one no each) 2.Gasket sets complete for Transformer 3.Bucholz Relay (01 no) 4.Silica gel Breather (01 no) 5. Inlet & outlet valves with gasket sets 6.oil sampling bottles 06 (Air tight stainless steel with capacity of 01 ltr and clocks fitted at both ends). 7. Cooling fans with motor (02 nos) 8.PRV Relays (01 no) 9. OIL Temperature indicators (01 no) 10. Winding Temperature indicator (01 no)

3.5 Core, 25 sq mm, 1100 V, PVC insulated, PVC sheathed, FRLS, galvanised steel wire/ strip armoured stranded copper conductor control cable complete

16 Core, 2.5 sq mm, 1100 V, PVC insulated, PVC sheathed, FRLS, galvanised steel wire/ strip armoured strande

19 Core, 2.5 sq mm, 1100 V, PVC insulated, PVC sheathed, FRLS, galvanised steel wire/ strip armoured strande

500mm2 ACSR Moose Conductor (a)Aluminium =54/3.53 mm (b) Steel= 7/3.53 mm overall diameter =31.77mm Approx. Wt. =1998 kg/km ultimate strength = 159.60 KN

Single Tension Fittings For Single 500mm2 ACSR shall have minimum failing load of 100% ultimate strength of Bundle conductors with compressive type Tension clamps having slipping strength 95% of ultimate Strength of conductors. The ball and socket designation must be 20mm.Minimum Ultimate strength (Tensile strength) shall be 70 KN.

Single Tension Fittings For Twin 500 mm2 ACSR shall have minimum failing load of 100% ultimate strength of Bundle conductors with compressive type Tension clamps having slipping strength 95% of ultimate Strength of conductors. The ball and socket designation must be 20mm. Minimum Ultimate strength (Tensile strength) shall be 70 KN.

T Clamps 500mm2 / Twin 500mm2 , made of Alluminium Alloy and shall comply in all respects with IS:5561-1970 (latest edition)

T Clamps Twin 500mm2 / Twin 500mm2 , made of Alluminium Alloy and shall comply in all respects with IS:5561-1970 (latest edition)

Disc Insulators 120 KN,Ball & Socket type, 145mm height and 280mm dia. Creepage total 430 mm and 260 mm protected.

Neutral Current Transformer with Current Rating 1A/5A and VA Burden 15VA (As per site requirement)

Single phase, 50 c/s 145KV Current Transformers (900-600-300/1-1-1-1-1 A or as per site specifications), 31.5KA for one second, rated dynamic current 100KA(peak), Class A insulation, Burden 20 VA

Single phase, 50 c/s 36KV Current Transformers (1200-600-300 /1-1-1 A or as per site specifications) , 25KA for one second, rated dynamic current 25KA(peak), Class A insulation, Burden 20 VA

33KV VCB (36 KV, 1250 Amps of 3 phase, 50 c/s and 25KA for 3 sec) outdoor type with all accessories and auxiliaries

Earth Mat (40mm dia steel bars) as per approved design, Galavanised Iron (75mm x 12mm/ 50mm x 6 mm) risers for Equipment and Structural Earthing

Concreting of yard & Laying Of Gravel

Rail Track

Survey, Design, Supply, Installation, testing and commissioning of illumination system, Preperation of drawing and design calculations as per scope described in technical specification of NIT including Raising and lowering type High mask system. Mast shaft shall be in single/ two/ three sections, hot dip galvanised inside and outside in single dip, suitable for wind velocity as per IS 875 part 3.There shall be only longitudinal seam weld per section and no circumferential weld . it shall also include accessories for high mast including head frame 2/3 point suspension with steel wire rope 6mm dia 97/19 constructions) double drum winch., Galvanised lantern carriage arrangements suitable for 9/12/16 lumminnaries, lighting finial &integral power tool for raising and lowing operation of high mast including foundation bolts as per drgs. with washers, anchor plates, and templates, twin avaition obstruction lights( 1 fitting per mast is neccessary if no taller structures are in the vicinity). control panel housing suitable for control circuit for automation switch ON and OFF of the mast. it shall also have suitable controls for operation of power tool for as per approved drawings and specification.

Supply of all materials and making foundation of High Mast Lights for following high mast towers as per approved drgs. of Mast manufacturer and approved by the Deptt

Supply, installation, testing and commissioning of 200 Watt LED flood light fittings

Supply, installation, testing and commissioning of dust vermin and weather proof outdoor compartnentalized feeder pillar of suitable sizevmade of 14SWG M. S, sheet complete with the following :- a) Canopy at top b) Hinged door open able on both sides with heavy duty locking system -02nos. c) Base frame with detachable cover on all sides made out of 14SWG steel sheets. d) Legs of suitable length made out of 40 mm×40mm×6mm angle iron I/c grouting the legs in 1:2:4CC (1 cement 2coarse sand 4 stone aggregate of 40mm nominal size) e) Knock out holes at bottom for cable entry. f) Ear thing stud-02nos. g) One coat of primer and two coats of approved make and colour of synthetic enamel paint. h) 100amps TPN MCCB, 25KA breaking capacity -01No. i) 40Amps TP air brake contactor j) 24hour Electronic timer- 01no k) 63Amp 4P MCB's - 06nos. l) Termination incoming /outgoing cables with suitable cables with suitable sizes of ferrules and compression gland

4core×16sq.mm, 0.8M deep in 32mm HDP Pipe

Supply and drawing of 3 core X2. 5sq.mm PVC insulated cable for connection to lighting fixtures.

Making of earthing stations using chemical type 50mm dua GI earth electrode maintenance free and providing masonry enclosure with cover plate having locking arrangement as required.

Supplying and laying of 6SWG GI Wire on surface or in recess for loop earthing along with cable as required.

Laying of Transformer foundations for Three phase 50 MVA Transformer (as per Drawing)

Construction of Oil sump & Tank for three phase 50 MVA Transformer

Construction of chain link fencing 6ft height with Angle iron post of 50x50x6

Dismantling of cable connections of existing Transformer, Dismantling of Existing Transformer & Dragging of to safer side and safe stacking

Dismantling of Transformer Foundation of 20 MVA Transformer to cast new 50 mva Transformer foundation as per design

Supply of Material at Divisional stores

SAFETY BELTS ISI MARK

SAFETY SHOES SI MARK

SAFETY HELMET ISI MARK

RUBBER SAFETY GLOVES ISI MARK 33 KV

Rain Coat heavy duty

Aliminium ladder Double extension 8 mtr long

VACCUM CLEANER FOR PANELS

Primary injection set, INPUT VOLTAGE 230 v ac, CURRENT SOURCE 10A-2000A, output power 6.0 V upto 15 KVA

Steel pulley 5 ton Heavy duty

Thermo vision Device for Grid station & Transmission lines (night vision with range upto 50 mtr)

Sf6 Gas filling kit for 132 KV & 220 Kv SF6 Breakers

33KV VCB (36 KV, 1250 Amps of 3 phase, 50 c/s and 25KA for 3 sec) outdoor type with all accessories and auxiliaries

Single phase, 50 c/s 36KV Current Transformers (1200-600-300 /1-1-1 A or as per site specifications) , 25KA for one second, rated dynamic current 25KA(peak), Class A insulation, Burden 20 VA

Single phase, 50 c/s 145KV Current Transformers (900-600-300/1-1-1-1-1 A or as per site specifications), 31.5KA for one second, rated dynamic current 100KA(peak), Class A insulation, Burden 20 VA

Single Phase 50 c/s, outdoor metal oxide gapless type, 30KV (rms) Surge Arrestor including Surge counters/monitors, insulating base all associated accessories, auxiliaries.

JK Electric Engineers Pvt. Ltd.

Trade Linkers Associates