WORK TENDER

Amount

Following work is to be carried out for the work of dismantling and shifting of defective 63 MVA T/F and shifting & erection of new 63 MVA Transformer at 220 KV Sub-Station Modipuram:-

Dismantling of existing 120 KV Lighting Arrestors (All 3 Phase) including opening of jumpers, earthing, N&B and ALP structure along with all associated works.

Complete dismantling of damaged 63 MVA, Transformer by opening of radiator, conservator tank, bushing, marshaling box, cooling fan, etc. and packing of bushing of old 63 MVA TF in crates and shifting the bushing from site to store at 220 KV Modipuram Substation. (Crane shall be arranged by the contractor)

Shifting/ Dragging of defective 63 MVA Transformer from plinth to near safe place at 220 KV Sub-Station Modipuram distance up to 20 Mtr.

Additional shifting 60 mtrs @ 5mtrs per job

Complete, erection of 63 MVA T/F by erection of conservator tank, bushing with its turrets (if available) connecting of all oil pipe line, erection of cooling fans, making control cables connection, buchholz relay etc. for completing the work, topping of Transformer oil and final oil filling in tank, radiator, conservator tank and all other associates work for completion of work.

Replacement of existing old T/F RTCC panel be new RTCC panel by opening of control cable, cutting of earthing termination and laying control cables, prepration of cable schedule etc. & shifting of dismataled panel to elsehere as per direction of site incharge.

Erection of 120 KV LA of all 03 Phases alongwith ALP Structure

Centrifuging of complete Transformer oil in Transformer by connecting centrifuging pipes circulating the Transformer oil through PVT. Centrifuging machine and taking the BDV value of the oil periodically till the required value is achieved.

After centrifuging of T/F oil arrangement to be made (Oil sampling and providing to lab) for oil testing result from any NABL Lab/CPRI Lab Noida. 1. BDV 2. PPM

Jumpering of 63 MVA Transformer HV side cutting of conductor and tightening of conductor with connector.

Earthing of Main tank of 63 MVA 132/33 KV Transformer by using MS flat 50x6/75x10 mm size its jointing with already laid earthmat/deltas preparing neutral bushing upport for its earthing including all work.

Ring Earthing of Lightening Arrester with 3.0 Mtr long 06 Nos. electrodes of 40 mm M.S. Round Bar having 150 mm long conical shape placing these inside the ground in rectangular shape and connected the electrodes with 75x10 M.S Flats. Notes :- M.S. Flat Shall be provided by Department.

120 KV Lighetening Arrester

30 KV Lighetening Arrester

Supply, installation, commissioning and testing of complete set of Chemical Earthing System on 63 MVA T/F - I at 220kV S/S Modipuram including excavation, making of earth pit, fixing of electrode with back fill earthing compound, fixing of earth pit cover, any other civil work as per the site engineer and as per drawing .

Technocrat Electrical (BID ID -5092667)