Military Engineer Services Tender

Disconnecting/dismantling in position of 11 KV distribution transformers 50KVA to 500 KVA capacity for any type of leakage/defect at LT/HT bushing, gasket, drain plug etc., after disconnecting of electric supply and earth connections, Transporting to workshop/ factory for repair , drain out transformer oil and keeping in close containers for re-use, lifting/removing of top cover of transformer if it requires, re-assembling of transformer with S&F of new gasket set assembly, replacement of nuts, bolts and washers, as required at site, re filling of Transformer oil, complete after electric connections and testing all as specified and directed by Engr-in-Charge. Note :- (i) If retrieved transformer oil's di-electric strength is very less, thEn it will be replaced with new one in relevent items.as directed by engineer encharge. (ii) If any items like winding of HT coil,Reconditioning of LT coil,spares like breather ,silica jel shall be measured in approriate item for smooth functioning of transformer including general , the cost of the same will be deemed to be included in the unit rates. (iii) Any minor item like nut ,bolt are included in the item rate (iv) Transportation to workshop and back to site /and required T&P like crane etc are to be arranged by contractor rate for which is dimmed to be included in the item

M/L for rewinding of HT coil with super enameled double paper covered copper winding wire of existing size and Nos of turns alongwith insulating materials like latheorised paper insulations cotton, tape/empire tape, wooden block packing and PVC sleeves soldering and varnishing with insulating varnish,de moisterizing , heating , drying etc including primary testing ,ratio testing,no load testing,core bolt insulation testing complete .Note : Rewinding and testing of transformer to be carried out through approved firm.

Rewinding of LT Coil with super enameled copper strip of appropriate size and No of turns alongwith insulating material like latheorised paper insulation, cotton tapes empire tapes, wooden block packing and PVC sleeve soldering and varnishing with insulating varnish, heating dryingtesting of colis etc complete. Note : Rewinding and testing of transformer to be carried out through approved firm.