REPAIRS REPLACEMENT AND MAINTENANCE OF VCB POWER TRANSFORMER SWITCHGEAR ISOLATOR AND CIRCUIT BREAKER UNDER GE GURDASPUR

Material and labour for testing of power Transformer Oil by power grid PSPCL and test report submitted to this office before execute the work complete all as specified and directed. Note : Following test shall be carried out during the test:- (a) Dissolved Gas Analysis (b) Water Content. (c) Specific resistance (d) Dielectric dissipation Factor (e) Dielectric Strength (f) Total Acidity (g) Inter Facial Tension At 27 degree C (h) Flash Point (j) Furan Analysis (k) Inhibitor Content.

Taking down the unserviceable transformer at existing site from pole and Sub Stn with the help of man power & chain pully block or by crane etc including disconnecting all electrical and mechanical connections from the site and carrying to workshop for repair and replacement of old burnt u/s items as well as winding etc including transporting of capacity 25 KVA to 100 KVA Transformer complete all as specified and directed. Note : (i) Unserviceable transformer should be taken down from site and carrying to workshop within 2 days time frame on receipt of telephone call/msg /Whatsapp Msg or letter. Failing which 1500/- per day will be levied to the contractor as penalty for a period upto 3 days after which repair shall be carried out through other means at the risk and cost of contractor. (ii) Transport provide by contractor to carrying the Unserviceable transformer from site to workshop shall be deemed to be included in the quoted rates.

All as per srl item No 2 here in before but for 125 KVA to 250 KVA (including 250 KVA) complete all as specified and directed.

All as per srl item No.2 here in before but for 300 KVA to 400 KVA (including 400 KVA) complete all as specified and directed.

All as per srl item No.2 here in before but for 500 KVA to 750 KVA complete all as specified and directed.

Dismantling transformer of capacity 25 KVA to 100 KVA (including 100 KVA capacity of transformers) by lifting the top cover taking out the HT/LT core and draining out the transformer oil in clean barrel including cleaning the transformer chamber (body) inside and out side thoroughly with emery paper and cloth and subsequently checking the winding and other worn-out parts such as HT/LT coils silicon stamping and other connected items like Tap-changer, breather assembly, replacement of HT and LT coil winding with DPC enamelled copper/Aluminium wire/ strip of adequate size gauge and number of turn complete and connected to existing serviceable strip by jointing with soldring and re insulated of cotton tape over strip including using insulating material like varnish to limb coil fire proof type and sleeves etc by drying and baking of Insulating material in heating chamber in adequate temperature Reassembling the transformer LT/HT connection with help of soldering.Testing of transformer after reassembly complete on No load at wkshop and on load at site incl painting to the transformer with super enamel paint complete all as specified and directed. Note :- (i) HT/LT coils winding wire/strip, transformer oil , and other connecting items shall be measured & paid separately. (ii) Unserviceable transformer should be rewound in workshop within 09 days time frame on reaching at the tfr in workshop. Failing which 1500/- per day will be levied to the contractor as penalty for a period upto 3 days after which repair shall be carried out through other means at the risk and cost of contractor (iii) HT/LT side bush, insulator and other connected items shall be measured & paid separately. (iv) Transport provided by contractor to bring the transformer at site from workshop after repair shall be deemed to be included in quoted rates.

Item no 6 note contd../- (v) The transformers will be opened in presence of BOO and wt of copper coils damaged and new to be fixed will be done in presence of board officers (vi) All testing of transformers after repairs will be certified by BOO before despatch from the factory (vii) Cost of all testing etc is deemed to be incuded in quoted rate and nothing extra shall be paid to contractor

All as per srl item No.6 here in before but for 125 KVA to 250 KVA complete all as specified and directed.

All as per srl item No 6 here in before but 300 KVA to 400 KVA complete all as specified and directed.

All as per srl item No.6 here in before but for 500 KVA to 750 KVA complete all as specified and directed.