WORK TENDER

Amount

Following work is to be carried out for the work of erection of new 63 MVA Transformer at 220 KV Sub-Station Shatabdi Nagar :-

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.

Dismantling of Emulsifier system installed on 63 MVA T/F required to remove the transformer from plinth. Re-installation of E- Emulsifier system on 63 MVA Transformer. All Man, Consumable Material, T&P shall be provided by Contractor.

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, preparation of cable schedule etc. & shifting of dismantled panel to elsewhere as per direction of site in charge.

Erection of 120 KV LA of all 03 Phases along with 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 earth mat/deltas preparing neutral bushing support 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 Lightening Arrester

30 KV Lightening Arrester

Supply, installation, commissioning and testing of complete set of Chemical Earthing System on 63 MVA T/F - I at 220kV S/S Shatabdi Nagar 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/details attached.

Meena Elect & Engg. Works (BID ID -5216299)