ELECTRICAL WORK

Amount

Shifting of 40 MVA T/F main tank from existing place to existing T/F Plinth by dragging a distance about 20Mtrs.

Additional Shifting 180 Mtrs @5mtrs/Job

Complete Erection of 40 MVA T/F and Accessories of HV/LV/TV Side Bushing, Radiator, Conservator tank, Pipe line, Pump and cooling fan etc.

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 related for centrifusing the oil and final filling of the oil in T/F tank.T/F Oil capacity 20.5KL of ACCURATE make (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.Including proper connection checking and testing

Fabrication of delta earthing of 40 MVA,132/33KV transformer and connecting to TF neutral through MS flat of 75*10 mm as per UPPTCL norms.

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 and tightening GI nuts & bolts if required including cost of all men and T & P excluding GI structure Nut & bolt to complete the work.

Erection of 145 KV SF-6 Circuit Breaker.

Erection of 145 KV Current Transformer.

Erection and mounting of 145 KV CT Junction Box.

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

Erection of 145 KV Tandem Isolator (Manual)

Erection of 145 KV Post insulator

Erection of 120 KV Lightning Arresters.

Erection of 132/ 33 KV T/F Control & Relay Panel as per technical specification.

Earthing of 120 KV LAs by 06 Nos electrodes 3 Mtr. long (with fabrication of 150 mm long conical shape and its placing vertically inside the ground 700 mm below ground level) in rectangular shape and connecting all 6 Nos electrodes with 75x10 mm MS flat laid on its edge and then this rectangle shape be connected to main earth mat at two places in opposite direction strictly as per drawing.

Earthing of equipments by cutting straightening,welding, 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 & its neutral,MB,DM box,C&R Panel,RTCC at two points 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. (i) Laying of MS Flat of size 75x10 mm

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

(iii) Laying of MS Flat of size 25x6 mm

Painting of MS flat for main and auxiliary structure, equipments structure, Transformer Body & its neutral,MB,DM box,C&R Panel,RTCC of different size after cleaning of rusted surface 1st coating of Red Oxide and 2 coating of Bus Green Paint to complete the work. (i) MS Flat of size 75x10 mm

(ii) MS Flat of size 50x6 mm

(iii) MS Flat of size 25x6 mm

Stringing of New Jack Bus Bar of 132KV ACSR Panther Conductor of all three phase of 01 Section (Aproxx 21 Mtr in Length) in Single Tension fitting with proper sagging and all other Associated work Related to complete the Job Satisfactorily.

Jumpering, interconnection 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 shape, clamping with the help of clamps and all other associated work to complete the work. (i) Jumpering of Single ACSR Zebra/Panther conductor.(Main bus,Transfer bus,LA,CB,Isolators,CT,Suspension U-Jumper)

Laying of following size control cable in trench/cable trays from different places like control room/Kiosk to equipments of 132/33 KV CB, CT,CVT and their juntion boxes, Transformer marshaling box,DM Box,RTCC panel, isolators box and other outdoor equipments installed in 132/33 KV switch yard as per cable schedule including carriage of cable drum from store and inluding proper ferruling which is provided by contractor and all other associated work. (i) 2 core x 2.5 mm2

(ii) 4 core x 2.5 mm2

(iii) 6 core x 2.5 mm2

(iii) 10 core x 2.5 mm2

Termination of control cable at both( control room & Switch yard) end.

Erection of 36 KV Vaccum Circuit Breaker.

Erection of 36 KV Current Transformer

Erection of 36 KV Lightning Arrester

Erection of 36 KV Bus Isolator

Erection and mounting of 36 KV CT Junction Box.

To Open all 33 KV Jumpers Between Bus Bar and equipment and Various 33KV Equipments Which is from Bus to isolator to CT to LA to bay jumpers and all other associated work to complete the work.

Erection of 36 KV Post insulator

Dismantling of 33 kv CT with Complete Structures along with cutting of earthing strip, and opening of cable and all other associated work to complete the work satisfactorily.

Dismantling of 33 kv LA with Complete Structure along with cutting of earthing strip, and opening of cable and all other associated work to complete the work satisfactorily.

Jumpering, interconnection of equipment with specified conductor of various 33 KV Equipments with main/Transfer Bus Bar of ACSR Moose conductor. The work includes cutting of conductor, bending in proper shape, clamping with the help of clamps and all other associated work to complete the work. (A) Jumpering of Twin ACSR Moose conductor.(Main bus,Transfer bus,LA,CB,Isolators,CT,Suspension U-Jumper)

Earthing of 30 KV LAs by 06 Nos electrodes 3 Mtr. long (with fabrication of 150 mm long conical shape and its placing vertically inside the ground 700 mm below ground level) in rectangular shape and connecting all 6 Nos electrodes with 75x10 mm MS flat laid on its edge and then this rectangle shape be connected to main earth mat at two places in opposite direction strictly as per drawing.

(SUPPLY) 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 Tension fitting for ACSR Zebra 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 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.

5 Bolted Type PG clamp suitable for Tarantulla to Panther 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.

4 Bolted Type PG clamp suitable for Panther to Panther Conductor Complete with HDG nut bolt & 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 Panther conductor of matching with bushing rod complete with hot dip galvanized nut & bolts as per technical specification.

Bemetallic Twin type 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.

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)

Bimetallic 33 KV CT clamp Twin type 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 Circuit Breaker Twin type clamp for ACSR Moose conductor as per technical specification.

36 KV Isolator Twin type clamp for ACSR Moose conductor as per technical specification.

Supply of 36 kv C.T. jn.box.

Supply of 145 kv C.T. jn.box.

Periphery and switchyard lighting (i) Providing and fixing of half round GI pipe ID-50/OD-60mm 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.

Providing and fixing of junction box on gantry structure with 1 No MS flat 40x5 mm of size 300x195x95 mm made of SMC(Sheet moulding compound) 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.

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.

Gupta Elect and Engg Works

M/s S.S. Refregeration