Construction and Erection of 63 MVA Transformer

The following works are to be carried out at 132 KV Substation Dayalbagh, Agra

Shifting of main tank of 63 MVA 132/33 KV T/F from store/yard site to loading point at S/S upto 20 meters distance including turning of tank, if required, including cost of all required labour vehicle and special T&P along with all other works required to complete the job (Including oil draining).

Additional shifting of above transformer by 5 mtrs.

Packing of HV & LV Bushing of dismantled 63 MVA T/F into wooden crates. Men & Material will be provided by the contractor.

Loading of 63 MVA 132/33 T/F at loading site including all accessories on truck/traller the work includes, jacking the T/F tank for placing the wooden sleeper under the tank and simultaneously lifting the tank till the wooden platform come in the alignment of trailler bed and then shifting the tank from wooden platform to trailer be, Removal of rails etc. from under the tank, on trailer bed with the help of wire rope and heavy turn buckle for safe transportation.

Safe carriage of 63 MVA 132/33 KV T/F from loading site to 132 KV Dayalbagh Agra (distance upto 100 Km) including all accessories on suitable capacity trailer/trucks to be arranged by the contractor at his own cost. Insurance shall be got done by the contractor as per direction of Supervision Engineer, if required, which shall be re-imbursed at actual by UPPTCL on production of papers.

Additional safe carriage of 63 MVA 132/33 KV T/F upto 100 Km.

Unloading of 63 MVA 132/33 KV T/F main tank from trailer/truck at 132 KV S/S Dayalbagh the job includes opening of laces, jacking the T/F tank for placing the rails under the tank, shifting it to wooden sleeper platform, to be prepared adjacent to the trailer, removing the rails from under the tank on wooden platform of sleepers, lowering the tank towards ground by slowly removing the sleepers from under the tank.

Shifting of main tank of 63 MVA 132/33 KV T/F from unloading point to plinth at 132 KV Dayalbagh upto 20 meters distance including turning of tank, if required, including cost of all required labour and special T&P along with all other works required to complete the job.

Additional shifting of above transformer by 5 mtrs.

Replacement of gasket of all the HV/LV/Neutral bushing, piping, main holes, radiator excluding top cover and OLTC cover etc. of the 63 MVA T/F Make including cost of gasket of appropriate size i.e. 6/8/10 mm. arrangement of Mobile crane, required T&P and manpower etc by the contractor his own cost. (If required).

Complete erection of 63 MVA transformer by erection of radiators conservator tanks, all bushing thief turrets connecting oil pipe lines, cooling fans, motor drive mechanism of tap changer RTCC panel etc. to complete the job satisfactory (Including oil raising).

Centrifuging of complete transformer oil in transformer main tank by connecting centrifuging machine, to be arranged by the contractor along with operator and taking the B.D.V values of the oil periodically till the required value is achieved as per direction of supervising engineer at 132 KV S/S Dayalbagh Agra.

Laying & Termination of following 2.5 Sq.mm of various core cable for marshaling box and T/F tool to RTCC Panel as required including making necessary holes in glands places of box wherever required, providing ferrules and nos for each core (the rate of termination of control cable including all cores of cable at one end with lug.) at 132 KV Dayalbagh, Agra.

Earthing of 63 MVA T/F Neutrals, Body, Marshaling box, Drive mechanism etc, with 75X10/50X6 MS flat (To be provided by department) including, bending, cutting & welding etc.

Erection of main and auxiliary structure consisting of columns, beams, peaks, masts etc. and auxiliary structure required for installation of isolators CTs, LAs. and all other equipments. The job consists of shifting of all material i.e. structure parts, nuts, bolts, washer etc. from store to site of erection, erection of structure as per relevant drawing and practices using flats and spring washer with each bolt. Matching of holes, cutting, matching of members if required shall also be done by the contractor with out any extra cost to complete the work satisfactorily. All material to be erected shall be supplied by UPPTCL free of cost but all men, material and T&P required for satisfactorily completion of work shall be arranged by the contractor at his own cost.

Dismantling and Shifting of main tank of 250 KVA 33 KV/440 Volt Sub-station T/F from unloading point to plinth at 132 KV Dayalbagh Agra upto 40 meters distance including turning of tank, if required, and all jumpering work including cost of all required labour and special T&P along with all other works required to complete the job.

Dismantling and laying of 3.5x95/50 Sq mm LT Power Cable 50 cm. blow the ground level after excavation and to put the bricks and river sand along the side of cable and back filling.

Erection of following equipments as per instruction manual of various equipments and technical specifications including shifting of material/equipments from store to erection site including all other associated work to complete the job satisfactions.

145 KV C.B. with its Structure

145 KV C.T. with junction box

145 KV B.I. with operating mechanism

145 KV T.I. with operating mechanism

120 KV L.A. with surge counter

33 KV B.I. with operating mechanism

33 KV C.T.with junction box

132/33 KV Control & Relay Panel

Cutting straightening bending laying 800mm below in side ground and above ground of following size of MS flat for earthing of main and auxiliary structure equipments structure T/F body and its neutral etc. including welding with main earthmat and with object to be earthed excavation of trenches, its back filling, painting and all other associated work as required complete the work satisfactorily excluding the cost of MS flat.

Laying of following sizes of control cable in the cable trench from control relay panel to various equipments/marshalling boxes/junction box etc, in switchyard as per cable schedule, its sadding at every 750mm distance with MS saddles of size 25x3mm size including carriage of cable drums from store to laying site and shifting back to store and all other associated work to complete the job satisfactorily as per technical specification.

2Cx2.5 Sq mm

4Cx2.5 Sq mm

6Cx2.5 Sq mm

Preparation of inter connection diagram and cable schedule as drawing to complete above job including CB, CT, Panel and isolators etc.

Termination of following sizes of cable as laid above as per cable schedule including making necessary holes in glands plates or box wherever required, supply and fixing of cable glands of appropriate size, supply and providing ferrules and Nos, for each core, (The rates of termination of control cable include the all cores of cable at one end with lug)

2Cx2.5 Sq mm

4Cx2.5 Sq mm

6Cx2.5 Sq mm

Stringing of single Panther conductor Bus (3Phase) of 132 KV including fitting of tension clamps hoisting of insulator and cutting of conductor and also shifting of all material from store to work and other associated work required for completion of job satisfactory.

Jumpering work between equipments and Bus by Panther / Moose conductor including cutting laying fixing and proper tightening with the help of skilled labour and T&P.

Making of Delta earthing for 132 KV & 33KV LA's of 63 MVA T/F form consisting of fabrication of delta set 12 Nos. with 40mm/36mm dia. size 3 Mtrs. Long electrodes its placing inside the earth below 0.8 mtr. deep including excavation and refilling of soil and connecting all the six electrodes with 75x10mm M.S flat 800mm deep by Cutting Straightening, bending, welding & laying of MS Flat/MS round.

Making of Delta earthing for HV & LV side of 63 MVA T/F and Station T/F consisting of fabrication of delta set with 9 Nos. 40mm/36mm dia. size 3 Mtrs. Long electrodes its placing inside the earth below 0.8 mtr. deep including excavation and refilling of soil and connecting all the three electrodes with 75x10mm M.S flat 700mm deep with neutral bushing of Transformer as required.

Fabrication of protection wire mesh fencing of size 5x4mtr. with 1”x1 square 10 SWG wire mesh including grouting by making plinth at 63 MVA 132/33 KV T/F installed at 132 KV S/S by cutting and fabrication of MS Angle 65x65x6 mm MS flat 50x6/25x6 mm. installing 03 Nos. post insulator and with one coat of red oxide and two coat of bus green paint including all material, Labour & T&P( MS Angle, MS flat and Post insulator will be provided by the Department free of cost.)

M/S DHIRENDRA SINGH

Hi-tech power transmission