Military Engineer Services Tender

Note 1:- (Applicable for all parts/items) : The biidders/contractors are advised to read tender documents & all corrigendum/amendments and general condition of contracts before entry/quoting the rates. Note 2:- Attention to bidder is hereby invited to upload revised BOQ if published during their bid submission. Uploading of incorrect/ pre-revised BOQ shall be treated as non bonafide and rejected. Fixed credit has been given in technical documents which shall be taken into account during acceptance of bid/tender.

M&L for Repair / servicing of transformer in situ of any make, any type, any capacity 400 KVA (step up or down) 11 KV / 0.433 Volt installed at various location in Tech area comprising with the following works :- a) Taking out transformer oil upto required level and keeping in empty container with safe custody for re-use after Dehydration. b) Opening of top cover of transformer and keeping aside and re-fixing the same after tightening of all LT and HT terminal joints (both inside and out side of transformer) including S&F of all gasket of bushing (6 mm thick rubberized cork sheet) to make leak proof. c) Checking of tap changing switch connections and tightening and soldering properly for smooth functioning. d) Cleaning of LT and HT Bushing, Replacement of burnt out bushing stud made out of brass, washer, nut, porcelain bushing of existing size, terminals, oil indication glass of conservator, top gasket and drain valve etc as directed by the Engineer-in-Charge. e) Cleaning of oil tank of transformer, conservator, core, vent pipes, cooling pipe / fins by desludging, decarbonizing and finally washing with transformer oil and drying complete. f) Filling up the transformer with existing taken out transformer oil carefully. g) Dehydration and filteration of transformer oil from Transformer (s) to achieve di-electric strength not less than 40 KV on 4mm over gap for a period of one minute and testing of acidity of oil and dielectric strength (before and after dehydration / filtration) complete all as specified and as directed by the Engineer-in-Charge. h) Top up new transformer oil upto desired level.

Note:- (i) Replacement of unserviceable bushing (HT/LT) and terminals shall be measured and paid separately under respective item, under respective items. (ii) New transformer oil shall be measured separately under respective items. (iii) Any minor parts such as gasket, nuts, bolts, washers etc that are required to be replaced for satisfactory repair shall be provided by the contractor and rate for the same shall be deemed to be included with the unit rate. (iv) Cost for dehydration and filteration of transformer oil shall be shall be paid seperately in respective items.