ELECTRICAL WORK

Amount

PART A: ERECTION OF 40 MVA TRANSFORMER. Shifting of 40 MVA T/F main tank from unloading place to existing T/F Plinth by dragging distance about 20Mtrs.

Additional Shifting 80Mtrs @5mtrs/Job

Complete Erection of 40 MVA T/F and Accessories of HV/LV/TV Side Bushing, Radiator, Conservator tank, Frame,Header,Pipe line, Pump and cooling fan etc. And Top up required level.

Centrifusing of complete T/F Oil in T/F by Connecting centrifusing pipes circulating the T/F oil through centrifusing machine and taking the BDV value of the oil periodically till the required value is achieved as per direction of supervising Engineer, the work includes all the work relater to centrifusing the oil and filling the oil and filling the oil in T/F tank. Oil Approx 22KL (operator and centrifusing machine shall be arrange by the contactor)

Erection of RTCC Panel of new 40MVA 132/33KV Transformer after Shifting of RTCC Panel from Stores / designated place to Control Room, then Making Cable Terminations as per Cable Schedule and Making Earthing of the RTCC Panel.

Laying, dressing and binding of cable including fixing of cable tray support structure and termination of cable marking the top and its ferruling as per schedule and inter connection as per requirement of WTI,OTI,Bucholz Relay,OLTC, Marshaling box, driving Mechanism etc.

Earthing of T/F Body, MB DM Box, OLTC, RTCC at two points using 75x100/50x6mm M.S. Flat for 40mm MS Rod to be provided by the Department free of cost.

Painting of Earthing strip above the ground level by one coating of red oxide and two coating of bus green paints.

Preparing and fitting of ACSR Zebra/Panther Conductor jumper of 132 KV and 33 KV side cutting of conductor and fixing of equipment (Approx 12 Nos Jumper)

Delta Earthing for 40 MVA T/F consisting of fabrication of delta set with 03 Nos 40 mm dia size 3 Mtrs Long Electrodes its placing inside the ground and connecting all three electrodes with 75x10mm M.S. Flat 700mm deep and connecting the same with Earthmat at two places (M.S. Flat and M.S. Rod to be provided by the Department)

Breakdown Voltage Test, Water Content Test, Dielectric Dissipation Factor Test, Resistivity and Dissolved Gas Analysis (as per IS Norms) along with collection charges of Oil Samples of new 40MVA 132/33 KV Transformer.

Variable frequency Tan Delta Test and SFRA Test of new 40MVA 132/33 KV Transformer with appropriate & recently calibrated kit.

Work Portion:- 132 KV Dismantling of Jumper of equipment with specified conductor of various 132 KV equipments with main/Jack Bus Bar of ACSR Zebra/Panther conductor. The work includes cutting of conductor, bending in proper shap, clamping with the help of clamps and all other associated work to complete the work.

To Open all 132 KV Jumpers Between Bus Bar and Jack Bus and Various 132 KV Equipments Which is 03 Nos Jack Bus Jumpers and 03 Nos Bus Isolator Jumepers and 03 Nos 132 KV Bus PT Jumpers and all other associated work to complete the work.

Dismantling of Old & Damaged 132 KV Bus bar of ACSR Panther Conductor (Aproxx 36 Mtr in Length) Of 01 Nos Section & Their Removal from Gentry very Carefully without any damage to other Equipment under the Busbar.

Dismantling of 132 KV Current Transformer along with cutting of earthing strip, and opening of cable and all other associated work to complete the work satisfactorily.

Dismantling of 132 KV SF6 Circuit Breaker Complete with Structure along with cutting of earthing strip, and opening of cable and all other associated work to complete the work satisfactorily.

Dismantling of 132 KV Post Insulators and all other associated work to complete the work satisfactorily.

Dismantling of 132 KV Potential Transformer along with cutting of earthing strip, and opening of cable and all other associated work to complete the work satisfactorily.

Sorting and stacking of main & auxilary structure.

Erection of Main & Auxiliary structure lattic type CCM,CGM,CPM,BBL, ABL, BCT, ALP etc. consisting of coloumn, beam, peak, mast etc. and auxilary structure for installation of CTs, PTs, LAs,Isolators etc. The job consist of shifting of all material from store to site of erection, erection of structure as per drawing with the help of GI nut & bolt, flat & spring washer, matching the hole, cutting & matching of member if required including cost of all men and T & P excluding GI structure Nut & bolt to complete the work. Erection of Main & Auxiliary structure lattice type BCT, ALP etc. upon foundation and its proper tightening.

Making hole in part of GI main/auxilary structre / cutting of GI angle drilling of hole existing/ deffective structure /plate/Angle and grinding machine with all cost of men, T & P etc.

Erection of 145 KV SF-6 Circuit Breaker.

Erection of 145 KV Current Transformer.

Erection of 145 KV Potential Transformer.

Erection and mounting of 145 KV CT Junction Box.

Erection of 145 KV Bus Isolator without earth switch (Moterized)

Erection of 145 KV Line Isolator with earth switch (Moterized)

Erection of 145 KV Post Insulator for support.

Erectoin of 120 KV Lighting Arrestors.

Erectoin of 132 KV Control & Relay Pannel as per technical specification.

Fabrication of 3 Meter long electrodes with following MS Rod having 150 mm long conical shape and then its placing vertically inside the ground with 700mm below ground level including cutting turning and machining of electrode.

Delta earthing of 120 KV LAs of 132 KV lines and 40 MVA Transformer nuetral by 150 mm long conical shape its placing inside the ground in rectangular shape and connecting all 3/6 Nos electrodes with 75x10/50x6 mm MS flat laid on its edge and then this rectangle/tringle shape be connected to main earth mat at two place in opposite direction strictly as per drawing. (A) 120 KV LA ( Rectangle shape by 06 electrodes)

Earthing of equipments by cutting straightening, bending, laying 700 mm below ground and above ground of following size of MS flat for earthing of main and auxiliary structure, equipments structure. Transformer body and its neutral point including welding with main earthmat and with object to be earthed. Excavation of trenches, its back filling and all other associated work as required to complete the work. (A) Laying of MS Flat of size 75x10 mm

(B) Laying of MS Flat of size 50x6 mm

(C.) Laying of MS Flat of size 25x6 mm

Painting of MS flat of different size after cleaning of rusted surface 1st coat of Red Oxide and 2 coat of Bus Green Paint to complete the work.(A) MS Flat of size 75x10 mm

(B) MS Flat of size 50x6 mm

(C.)MS Flat of size 25x6 mm

Complete cleaning of disc insulators for all phases by suitable liquid cleaner, testing of IR value by insulation tester, making series connection & ready for hoisting with all cost of men, T & P to complete the work. (a)Cleaning of disc insulator of 132 KV string

(B) Stringing of 132 KV string Tension fitting complete with all work.

(C.) Hoisting of 132 KV string under Beam to pass the jumper including hanging of disc insulator and suspension fitting complete with all work.

Jumpering, interconnection of equipment with specified conductor of various 132 KV,33 KV Equipments with main/Jack Bus Bar of ACSR Zebra/Panther conductor. The work includes cutting of conductor, bending in proper shap, clamping with the help of clamps and all other associated work to complete the work. (A) Jumpering of Single ACSR Zebra/Panther conductor.

Laying & Termination of following size control cable in trench/cable trays from different control room equipments to 132 KV CB, CT,CVT and their juntion boxes. Transformer marshaling box, isolators box and other outdoor equipments Including propper ferrules (provided by contector) installed in 220/132 KV switch yard as per cable schedule including carriage of cable drum from store and all other associated work. (A) 2 core x 2.5 mm2

(B) 4 core x 2.5 mm2

(C.) 6 core x 2.5 mm2

(D) 10 core x 2.5 mm2

(E) Termination of control cable

Providing and fixing of name plate and phase plate made of 02 mm aluminum sheet with covering of 03 M HP/MDG retro reflective sheet of size 300mm, 150mm plate to be fixed with the help of nut & bolt of all ready installed equipment structure as per sample.

Providing and fixing of phase plate equipment R,Y& B phase of 02 mm thick aluminum sheet of size 5 inch dia covering of 03 M HP/MDG retro reflective sheet in single piece with all mounting with GI nut & bolts.

Work Portion:- 33 KV Erection of Following Equipments. (A) Erection of 36 KV Vaccum Circuit Breaker.

(B) Erection of 36 KV Current Transformer

(C.) Erection of 36 KV Lightning Arrester

(D) Erection of 36 KV Bus Isolator

(E) Erection of Bus Post Insulators

Laying & Termination of following size control cable in trench/cable trays from different control room equipments to 132 KV CB, CT,CVT and their juntion boxes. Transformer marshaling box, isolators box and other outdoor equipments Including propper ferrules (provided by contector) installed in 220/132 KV switch yard as per cable schedule including carriage of cable drum from store and all other associated work. (A) 2 core x 2.5 mm2

(b)4 core x 2.5 mm2

(C.) 6 core x 2.5 mm2

(D) 10 core x 2.5 mm2

(E) Termination of control cable

Extension 33 KV Bus Bar. (a) Stringing of New Bus Bar of ACSR Zebra Conductor of all three phase of 01 Section for (Aproxx 12 Mtr in Length) tighting of Busbar of all phase in of main bus bar in Single Tension fitting with proper sagging and all other Associated work Related to complete the Job Satisfactorily.

(B) String of Disc Insulator of 120/70KN for Suspension fitting Between New Busbar to Existing Main Busbar by PG Clamp By Making U-Jumpersand all other Associated work Related to complete the Job Satisfactorily.

Bolted type single Tension fitting for ACSR Zebra Conductor suitable for 1 x10 No Disc insulator with turn buckle and hardware set as per techinical specification.

Bolted type single Tension fitting for ACSR Panther Conductor suitable for 1 x10 No Disc insulator without turn buckle and hardware set as per techinical specification.

Bolted type single Suspension fitting for ACSR Zebra Conductor suitable for 1 x10 No No Disc insulator with hardware set as per techinical specification.

Bolted type single Suspension fitting for ACSR Panther Conductor suitable for 1 x10 No No Disc insulator with hardware set as per techinical specification.

4 Bolted Type PG clamp suitable for Zebra to Zebra Conductor Complete with HDG nut bolt & washer as per technical specification.

4 Bolted Type PG clamp suitable for Panther to Zebra Conductor Complete with HDG nut bolt & washer as per technical specification.

5 Bolted Type PG clamp suitable for Panther to Panther Conductor Complete with HDG nut bolt & washer as per technical specification.

Bimetallic 132 KV Bus/ Line Isolator clamp made of aluminum alloy LM-6 for ACSR Panther conductor with HDG nuts & bolts and washer as per technical specification .

Bimetallic 132 KV PT clamp made of aluminum alloy LM-6 for Zebra conductor with HDG nuts & bolts and washer as per technical specification

Bimetallic 132 KV Breaker clamp made of aluminum alloy LM-6 for ACSR Panther conductor with HDG nuts & bolts and washer as per technical specification

Bimetallic 132 KV CT clamp made of aluminum alloy LM-6 for Zebra conductor with HDG nut & bolts and washer as per Technical specification.

Bimetallic 132 KV LA clamp made of aluminum alloy LM-6 for Zebra conductor with HDG nut & bolts and washer as per Technical specification.

Bemetallic terminal connector for 40 MVA T/F HV side bushing rod made of aluminum alloy LM-6 suitable for ACSR Zebra conductor of matching with bushing rod complete with hot dip galvanized nut & bolts as per technical specification.

Bemetallic terminal connector for 40 MVA T/F LV side bushing rod made of aluminum alloy LM-6 suitable for ACSR Zebra conductor of matching with bushing rod complete with hot dip galvanized nut & bolts as per technical specification.

33 KV Bus Post clamp suitable for Zebra conductor complete with hot dip galvanized nut, bolts & washer as per technical specification.

132 KV Bus Post clamp suitable for Panther conductor complete with hot dip galvanized nut, bolts & washer as per technical specification.

Supply of cable gland of different sizes. i- 2C x 2.5 mm (16mm)

ii- 4C x 2.5 mm (19mm)

iii-6C x 2.5 mm (22mm)

iv- 10C x 2.5 mm (25mm)

Supply of copper lug of different types.i- Ring type of size 2.5 mm

ii- Pin type of size 2.5 mm

Bolted type single Tension fitting for Single Zebra Conductor suitable for 1 x04 No Disc insulator with hardware set as per techinical specification.

Bolted type single Suspension fitting for Single Zebra Conductor Suitable for 1x04 No Disc insulator with hardware set as per techinical specification.

Bimetallic 33 KV CT clamp made of aluminum alloy LM-6 for ACSR Zebra conductor with HDG nut & bolts and washer as per Technical specification.

Bimetallic 33 KV LA clamp made of aluminum alloy LM-6 for Zebra conductor with HDG nut & bolts and washer as per Technical specification.

33 KV Bus Isolator clamp for ACSR Zebra conductor with nut, bolts and washer as per technical specification.

33 KV Circuit Breaker clamp for ACSR Zebra conductor with nut, bolts and washer as per technical specification.

Supply of nut & bolts with 01 No spring and 01No plane washer of different size.(A)16x35mm

(E) U Bolt 20mm

(F) Washer 3mm

Periphery and switchyard lighting. (A) Providing and fixing of half round GI pipe OD-50mm for mounting the 120 Watt LED light upon gantry mounting of 2 No GI bracket up on gantry and fixing GI pipe complete with nut bolt and washer as per technical specification.

(B) Providing and fixing of junction box on gantry structure with 1 No MS flat 40x5 mm of size 200x200x150 mm made of MS sheet of 16 gauge dully powder coated inside mounting 1 No 6 Amp MCB 1 No TB of 4 terminal & 1 No Kit Kat 16 Amp fixed upon mica sheet and back side mounting a flat 40x5 mm with 1 No 16mm dia hole and mounting PVC pipe from ground level to box as per technical specification.

(C) Supply & fixing of new generation energy saving and environment friendly long life versatile pressure die cost aluminum out door high been flood light with high power 120 Watt LED as light source and exclusively designed polycarbonate cover along with electronic driver complete fitting suitable for 220 V input supply for ISI make CGL/Hevels/ Surya/ Philips/Bajaj of equivalent etc. including electrical connection also to be done by the contractor.

Hi-tech power transmission

Versha and Brothers

Meena Elect & Engg. Works