Tender for the work of overhauling, servicing, testing and commissioning of 1x8MVA (Sl.No.2800050033) transformer of 2nd & 3rd stage 66/6.6kv transformer yard at Harohalli. (Short Term Tender)

Tender for the work of overhauling, servicing, testing and commissioning of 1x8MVA (Sl.No.2800050033) transformer of 2nd & 3rd stage 66/6.6kv transformer yard at Harohalli. (Short Term Tender)

Draining out oil from the Power Transformer complete duly collecting the oil in barrels.shifting barrels to safe place (in the Station premises only) with proper tightness of cork/lid to avoid entry o...

Moving the Transformer to the plinth.

Weight of 8 MVA Power Transformer-25t

For 8 MVA, Distatnce to be moved-50 m 25t x 50m=1250t/m

Dis-assembly of transformer parts like bushing, radiators, draining oil from the transformer etcfor the total weight of the transformer.

Weight of 8 MVA power transformer - 25 MT

Loading of the transformer tank with active parts and accessories at Stage 1 & 2 Stage Substation at Tataguni.

Transportation of transformer using 21 MT to 40 MT Truck & Trailer up to 250km. From Tataguni to Factory .

Unloading of the faulty transformer tank with active parts and accessories at Firm's site.

Dismantling Transformer for joint inspection at repairer's premises including all activities such as opening of top cover, de-tanking of core and winding, separation of HV/LV coils, conducting prelim...

Cleaning, repairing and painting inside the Transformer Tank with hot oil bath and acid proof epoxy paint and painting outside the tank with enamel paint after thorough cleaning including the cost of ...

Reconditioning of accessories like Radiators, Conservator by hot air circulation along with pressure test of radiators and reconditioning of Transformer mounted mechanical relays 110 kV and below cla...

Rubberised corksheet/Neoprene rubber Gaskets as necessary for complete Transformer 110kV and below Class

Drying of Power Transformers

Drying of Power Transformer at factory: Drying of active parts of Transformer in Oven 110kV and below class Transformer

Tanking the assembly , giving connection providing new gasket, insulating materials confirming to IS putting back the cover tignting the fixtures, fixing the bushing etc, including the cost of all mat...

EHV grade Transformer Oil in new steel barrel of 210 litre capacity

including Rebate towards the released oil is 60% of latest IEEMA Rate

Filling of oil to main tank and OLTC tank, filtering the oil including filtering till attainment of prescribed BDV value including labour, filtering equipment along with accessories.

Work of repairing of diverter switch and replacement of resistance upto 66KV/6.6KV 8MVA Transformer as specified below: Removing the supply connection of diverter switch draining out the diluted oil o...

Work of repairs/servicing and overhauling of on load tap changer (OLTC) of upto 66KV/6.6KV 8MVA transformer as specified below: Painting of transformer including platform CTS etc., with one cost of re...

a) Testing the Transformer for routine tests as per IS 2026-1983 if repairs are carried out at Repairer's work.

b) Testing the Transformer for IR values, Voltage ratio at all Taps, Short Circuit Test,...

Loading of the repaired transformer tank with active parts and accessories at Firm's site.

Transportation of transformer using 21 MT to 40 MT Truck & Trailer up to 250km.

From factory to tataguni.

Unloading of the repaired transformer tank with active parts and accessories at Stage 1& 2 stage Substation at Tataguni

Assembly of transformer parts like bushing, radiators, draining oil from the transformer etcfor the total weight of the transformer.

Weight of 8 MVA power transformer - 25 MT

Weight of 5 MVA power t...

WTI with 4 contacts, 15 meters capillary length with built in CCU RTD and external remote indicator, range 0-150 deg C with

SCADA compatability)

OTI with 2 contacts, 15 meters capillary length with built in CCU, RTD and external remote indicator range 0-150 deg C, with SCADA compatibility

Main Tank Conservator Power Transformer: MOG

Transformer mounted Protection in Power Transformers Buchholz relay

Transformer mounted Protection in Power Transformers Oil Surge relay(OSR)

Transformer Mounted Protection in Transformer: Pressure Relief Device (PRD or PRV)

Main Tank for Power Transformers Dehydrating Silicagel Breather Assembly

Moving the transformer from the plinth.

Weight of 8 MVA power transformer - 25 MT

Weight of 5 MVA power transformer - 22.5 MT

For 8 MVA, Distatnce to be moved-50 m 25t x 50m=1250 t/m

Wiring of Transformer marshaling box, bucholtz relay, fixing Thermometer, OLTC up to control panel and assisting in testing and commissioning by RT/MT Firm engineers.

8 MVA & 5 MVA Power Transformer:

Bushing for power transformer condenser type OIP bushing for power transformer - 72.5 kV/800Amps

Terminal connector Clamps for Bushings for Power Transformer:

Suitable for 72.5kV class bushing to suit Twin Moose / Single Drake Conductor.

Conventional Bushing with metal parts for

Power Transformers 12.1 kV / 800 A - 1250 A - 2000 A

Control Valves for Power Transformers Drain Valve (100 mm to 200 mm size) suitable for 110 kV and below class

Top/Bottom Filter Valve (50 mm to 100 mm size) suitable for 110 kV and above class Transformers