THE WORK OF REPLACEMENT OF 40 MVA TRANSFORMER WITH ERECTION OF NEW 63 MVA TRANSFORMER AGAINST INCREASING CAPACITY AT 132 KV SUB STATION SAMBHAL UNDER ELECTRICITY TRANSMISSION DIVISION SAMBHAL

Amount

Dismantling of 40 T/F-II & III and erection of new 63 MVA T/F-I & II at 132 KV Sub-Station Sambhal under ETD-Sambhal.

Partially Draining out transformer oil from the 40 MVA T/F-II & III tank in oil drums after due shifting of drums, Pipes etc. along with Re-shifting of above oil filled drums from site to store with all cost of men, material T&P required for completion of work

Opening of all Jumpers of 40 MVA T/F-II & III cutting of earthing strips and opening of electrical connections.

Complete Dismantling of 40 MVA T/F-II & III by opening of radiator, conservat or tank, bushing, marshaling box, cooling fans etc. and Packing of bushing of 40 MVA T/F-II & III in crates and shifting the all the dismantled material from site the store.

Shifting/ Dragging of 40 MVA Transformer-II from plinth to nearby safe place for a total distance of about 100Mtr. Including turning of Main tank if requried with all cost of men material, T&P and work required to complete the job satisfactorily. (01 Job for each 20 meters)

Shifting/ Dragging of 40 MVA Transformer-III from plinth to nearby safe place for a total distance of about 125Mtr. Including turning of Main tank if requried with all cost of men meterial, T&P and work required to complete the job satisfactorily. (01 Job for each 20 meters)

Shifting / Dragging of oil filled New 63 MVA Transformer Main Tank -II from unloading place to Transformer plinth for a total distance of about 100 Mtr. Including turning of Main tank if required with all cost of men material, T&P and work required to complete the job satisfactorily. (01 Job for each 20 meters)

Shifting / Dragging of oil filled New 63 MVA Transformer Main Tank -III from unloading place to Transformer plinth for a total distance of about 125 Mtr. Including turning of Main tank if required with all cost of men material, T&P and work required to complete the job satisfactorily. (01 Job for each 20 meters)

Complete, Erection of New 63 MVA T/F-II & III by erection of radiator, conservator tank, bushing with its turrets (if available) connecting of all oil pipe lines, erection of cooling fans, marshalling box, making control cables connection to fans, buchholz relay, PRV etc. top king up of Transformer oil and final oil filling in tank, radiator, conservator tank, earthing of all associates and all other associated jobs work for completion of work.

Replacement of Existing old T/F RTCC Panel by new RTCC Panel by opening of control cable cutting of earthing termination and laying control cables preparation of cable schedule etc and shifting of dismantled panel from site to store as per direction of site incharge followed by installation and commissioning of new RTCC Panel of new 63 MVA Transformer -II & III including its earthing cable laying and terminations as per site requirements.

Making Delta earthing of 63 MVA T/F-II&II with the help of 3mtr long electrodes in the shape of triangle with 1.5mtr sites made by 40mm MS Roads and 75x10mm MS Flat to be connected with earthmate gride as per technical specification.

Earthing of Main tank of New 63 MVA Transformer-II & III by using M.S flat 50x6/75x10 mm size its jointing with already laid earthmat/deltas preparing Neutral bushing support for its earthing including all work. Its also include MS Flat 75x10/50x6 painting work

Providing of Centrifuging mechine and centrifuging of complete T/F Oil to be filled in T/F by connecting centrifuging pipes circulating the Transformer oil through. Centrifuging machine provided by contractor at his own cost with along with providing duly calibrated BDV machine and PPM cit and taking the BDV and PPM value of the oil periodically as per the instruction of engineer in charge till the required values are achieved. (oil capacity Approx. 21x2 KL.) 02 Nos T/F

Electrical connection in marshalling box of 63 MVA Transformer-II & III with laying of cable and Termination in between RTCC Panel, WTI, OTI buchholz relay, cooling fans, OLTC, etc including preparation of cable scheduled from inter connection diagram with proper feruling as per drawing. (Ferrules, Lugs and T&P Required completion of the works to be arranged by at his on cost.

Interconnection and Jumpering work of HV side and LV side suitable conductor and bus bar in 33KV bus/bay (crossing of road) of 63 MVA T/F II & III as per Electrical Layout.

Replacement of all Three Phases of 36 KV current Transformer as Per instruction manual and technical specification including shifting of material/equipment from store to site including all associated work to Complete the job Satisfactorily including cabling and termination work.

Sampling , Carriage and DGA, PPM, BDV Testing of New 63 MVA T/F-II & III Before 12 Hrs from energization of T/F at 132 KV Substation Sambhal (as Per actual Expenditure) Testing to be conducted only from NABL authorised test Lab/CPRI Lab Noida.

Safely loading of M.S Flat 75x10/50x6 mm by private truck after shifting from store site to loading site at 132 KV Substation Babrala, and Carriage of the same to 132 KV Substation Sambhal, unloading at 132 KV Substation Sambhal , Approx distance 50 k.m (If required)

Gupta Elect and Engg Works (BID ID -5069258)