Military Engineer Services Tender

Disconnecting defective out door/indoor transformers of capacity up to 250 KVA from HT/LT side, taking out complete transformer oil, storaing the same in suitable container (to be arranged by the contractor) opening the top cover and lifting the core assembly by means of tripod and chain pulley block carefully to check its condition, refilling the transformer oil after complete dehydration/filtration if required (to be paid separately) and necessary repairs re fixing complete core assembly fixing the top cover and complete core assembly fixing the top cover and re-installation complete all as specified and directed. Note : (a) Pole mounted transformer lowering and taking down the same from two /four pole structure to ground carefully & rate will be considered in the quoted rate. (b) In case of major repairs/replacement in transformer which can not be undertaken at site the transformer shall be shifted at civil workshop and the cost shall be paid separately under relevant items. (c) Cost of dehydration/filteration and other necessary repairs shall be measured and paid separately under relevant item. Contractor shall bring the mechanic at site for first inspection of the transformer after that transformer shall be shifted at workshop complete all as directed by Engr-In-Charge. .

Transporting to burnt out transformer for repair to civil workshop, and any type of T& P will be required for shifting of transformer will be provided by Contractor and Strip opening of transformer and removing the top cover for repair, and taking out the burnt out core alongwith HT/LT coil (windings) assembling the core after replacement of HT/LT coils heating varnishing, testing and housing accessories in transformer body and connection up filling in dehydrated transformer oil and connection with existing electrical system HT/LT and commissioning complete on load of capacity not exceeding 250 KVA.(Transformer oil will be measured and paid separatily).

Material & Labour for rewinding with supper enameled double paper covered copper wire for HV (11/0.433KV) winding having existing size and giving proper insulation and de-moisturizing before assembling the winding core and including primary testing, ratio testing, no load testing, core insulation testing and setting connection of tape changer including taking out unserviceable winding wire complete all as specified and as directed.