ELECTRICAL WORK

Amount

Dismantling of Main & Auxiliary structure lattice type BTM, AXM, BCT, ALP consisting of column, beam and auxiliary structure for safe dismantling of structure as per drawing include cost of all men and T & P to complete the job satisfactorily.

Dismantling of 132 KV Potential Transformer of 132KV Main Bus remove earthing, control cable connections & Junction Box

Dismantling of 33 KV Potential Transformer of 33kv Main Bus-1 remove earthing, control cable connections & Junction Box

Erection of Main & Auxiliary Sub-Station Structure for 40 MVA Transformer Bay (A) Erection of Main & Auxiliary structure lattice type ATM, BTM, AXM, 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 following equipment as per instruction in manual of various equipment’s and technical specification including shifting of material/equipment from store to erection site including all other associated works to complete the job satisfactorily. (i) Erection of 145 KV SF-6 Circuit Breaker.

(ii) Erection of 145 KV Current Transformer.

(iii) Erection of 145 KV PotentialTransformer.

(iv) Erection and mounting of 145 KV CT/PT Junction Box.

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

(vi) Erection of 145 KV Tandom Isolator ( Moterized)

(vii) Erection of 145 KV Post Insulator for support.

(viii) Erectoin of 120 KV Lighting Arrestors.

(ix) Erection of 36 KV Vacuum Circuit Breaker

(x) Erection of 36 KV CT/PT

(xi) Erection and mounting of 36 KV CT/PT junction box.

(xii) Erection of 36 KV Bus Isolator

(xiii) Erection of 30 KV Lighting Arrestors

Erection of following control and relay Panels as per instruction manual and technical specification including shifting of panel from store to erection site including all other associated works to complete the job satisfactorily. (A) Erection of 40 MVA C&R and RTCC Panel.

Stringing (extension)of Main,Transfer& Jack Bus Bar of 132KV,33KV Panther/Zebra conductor as mentioned below(For single main & transfer scheme). The work includes cutting & bending of conductor, fixing of single /double bolted type tension fitting Hoisting of disc insulator and shifting of material from store site to erection site and all other associated work to complete the work satisfactorily as per drawing and technical specification. (A) 132 KV Jack Bus Bar of 40MVA Tf by Panther Conductor (For 2 section of 20 mtr& 12mtr. Length)

(B) 33KV Main Bus Bar of Twin Zebra conductor(For 1 section of 15 mtr. Length)

Bay wise interconnection of equipment with specified conductor of various 132 KV & 33 KV Equipment with Main /Transfer / jack Bus bar of ACSR Zebra /Panther conductor. The work Includes cutting of conductor. Bending in proper shape .clamping with the help of clamp and all other associated work to complete job. (A) 132 KV Jumper single Panther

(B) 33 KV Jumper Twin Zebra/ Moose

Laying of following size control cable in trench/cable trays from different control room/kiosk to equipment of 132/33KV Isolator, circuit breakers, CT/PT & their junction boxe. Transformer marshaling box. Isolator box & other outdoor equipment’s installed in 132/33 KV switch yard as per cable schedule. Including carriage of cable drum from store and all other associated work (A) Control cable of size 2 core x 2.5 mm2

(B) Control cable of size 4 core x 2.5 mm2

(C) Control cable of size 6 core x 2.5 mm2

(D) Control cable of size 10 core x 2.5 mm2

(E) Termination of control cable(All cores) at both ends.

Loading of 40 MVA Transformer main tank along with accessories, at 132 KV Sub-Station Khurja making the wooden sleeper plate from jakcing the Transformer tank up to trailer height placing the rail under Transforer tank and shifted up on trailer, removed the rail ner Transformer and proper tightening the main tank with Trailer bad with the help of steel rope and turn buckle.

Carriage of 40 MVA Transformer main tank from 220/132/33 KV Sub-Station Khurja to 132/33 KV Sub-Station Jahagirpur along with all accessories by Pvt. Truck/Trailer. Distance about 25Km

Unloading of main tank of 40 MVA Transformer loaded on trailer jacking the tank for packing the rail under the Transformer tank and shifting it of wooden to plate for removing the rail under the Transformer tank on wooden sleeper lowering the tank towards ground by slowly and removing the wooden sleeper under the tank and unlaoding of various Transformer accessories of above 40 MVA Transformer like oil filled drms bushing conservator tank, cooling fan etc. from Truck/Trailer at site at 132 KV Jahagirpur.

Shifting of main tank of 40 MVA Transformer from unloading point to the plinth up to 20 Mtr distance including turning of tank if required including all T & P and labour required to complete the job satisfactorily.

Complete erection of 40 MVA 132/33 KV Transformer by erection of radiator, conservator tank all bushing oil pipe lines, cooling fans etc & Replacement of gasket of radiator/ bushing/pipe lines only open part except top cover of Transformer by providing and fixing of new gasket as per existing size made of rubberized cork sheet Kotika/Turboze brand grade to complete the job satisfactorily.

Centrifuging of complete T/F oil in T/F by connecting centrifuging pipes circulating the T/F oil through PVT. centrifuging machine and taking the BDV value of the oil periodically till the required value is achieved .Approx. 20.5KL

Ring earthing of 198/120 KV LA (including Fabrication of 3 Meter long electrode of MS Rod having 150 mm long conical shape) placing inside the ground 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 earthmat at two place in opposite direction strictly as per drawing. (A) 120 KV Lighting Arrestors (Rectangle shape 6 electrode )

(B) 30 KV Lighting Arrestors (Rectangle shape 6 electrode )

Delta earthing of 220/132 KV, 160 MVA Transformer Nuetral (including Fabrication of 3 Meter long electrode of MS Rod having 150 mm long conical shape) placing inside the ground in triangular shape and connecting all 3 Nos electrodes with 75x10 mm MS flat laid on its edge and then this tringle shape be connected to main earthmat at two place in opposite direction strictly as per drawing. (A) 132/33KV, 40MVA Tf HV & LV (Triangular shape 3Nos electrode )

Earthing of equipment’s by cutting straightening, bending, laying 700mm below ground and above ground of following size of MS flat for earthing of main and auxiliary structure, equipment’s structure. Transformer body and its neutral point including welding with main earthmat and with object to be earthed excavation of trenches its back filling. 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

Periphery and switchyard lighting. (A) 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) 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 beem flood light with high power 120 Watt LED as light source and exclusively designed polycarbonate cover along with electronic driver complete fitting suitable for 230V AC input supply for ISI make CGL/Hevels/ Surya/ Philips/Bajaj of equivalent etc. including electrical connection also to be done by the contractor.

Supply portion :- Bolted type single Tension fitting for Single Panther Conductor suitable for 1x10 No Disc insulator complete with hardware set as per technical specification.

Bolted type single Suspension fitting for single Panther Conductor without turn bucklw suitable for 1x10 No Disc insulator complete with hardware set as per technical specification.

Bolted type single Tension fitting for Single Moose Conductor suitable for 1x10 No Disc insulator complete with hardware set as per technical specification.

Bolted type single tension fitting for Twin Zebra conductor with turn buckle suitable for 1x4 No disc insulator with hardware set as per technical specfication.

Junction box for 33KV CT

Junction box for 33KV PT

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

132 KV P.T clamp suitable for Moose conductor complete with hot dip galvanized nut, bolts and washer as per technical specification.

L-Clamp suitable for 132 KV Section Isolator made of aluminum alloy LM-6 as per technical specification.

Bimetallic terminal connector for 40MVA T/F HV side bushing rod 30 mm dia made of aluminum alloy LM-6 suitable for ACSR Zebra /Moose/Panther conductor of matching with bushing rod complete with hot dip galvanized nut & bolts as per technical specification.

Bimetallic terminal connector for 40 MVA T/F LV side bushing rod 30 mm dia made of aluminum alloy LM-6 suitable for Twin Zebra /Moose conductor matching with bushing rod complete with hot dip galvanized nut & bolts as per technical specification.

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

4 Bolted Type PG Clamp suitable for Zebra to Zebra conductor complete with HDG nut bolt & washer as per technical specification.

L-Clamp suitable for 33 KV Section Isolator made of aluminum alloy LM-6 as per technical specification.

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

33 KV Circuit Breaker clamp suitable for Twin Zebra conductor complete with hot dip galvanized nut, bolts and washer as per technical specification.

33 KV Bus Isolator clamp Twin Zebra conductor complete with hot dip galvanized nut, bolts and washer as per technical specification.

33 KV LA clamp suitable for Panther conductor complete with hot dip galvanized nut, bolts and washer as per technical specification.

Spacer for 250mm spacing for Twin Zebra/Moose Conductor 02 Bolted completed with hot dip galvanized nut, bolts & washer as per technical sepecification.

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)

Gupta Elect and Engg Works